6534c6dea4
Summary: Various renaming and fixes to get rid of remaining uses of "backupable" which is terminology leftover from the original, flawed design of BackupableDB. Now any DB can be backed up, using BackupEngine. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9792 Test Plan: CI Reviewed By: ajkr Differential Revision: D35334386 Pulled By: pdillinger fbshipit-source-id: 2108a42b4575c8cccdfd791c549aae93ec2f3329
4150 lines
155 KiB
C++
4150 lines
155 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#if !defined(ROCKSDB_LITE) && !defined(OS_WIN)
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#include "rocksdb/utilities/backup_engine.h"
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#include <algorithm>
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#include <array>
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#include <atomic>
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#include <cstddef>
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#include <cstdint>
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#include <limits>
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#include <memory>
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#include <random>
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#include <string>
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#include <utility>
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#include "db/db_impl/db_impl.h"
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#include "db/db_test_util.h"
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#include "env/composite_env_wrapper.h"
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#include "env/env_chroot.h"
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#include "file/filename.h"
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#include "port/port.h"
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#include "port/stack_trace.h"
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#include "rocksdb/advanced_options.h"
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#include "rocksdb/env.h"
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#include "rocksdb/file_checksum.h"
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#include "rocksdb/rate_limiter.h"
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#include "rocksdb/statistics.h"
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#include "rocksdb/transaction_log.h"
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#include "rocksdb/types.h"
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#include "rocksdb/utilities/options_util.h"
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#include "rocksdb/utilities/stackable_db.h"
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#include "test_util/sync_point.h"
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#include "test_util/testharness.h"
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#include "test_util/testutil.h"
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#include "util/cast_util.h"
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#include "util/mutexlock.h"
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#include "util/random.h"
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#include "util/rate_limiter.h"
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#include "util/stderr_logger.h"
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#include "util/string_util.h"
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#include "utilities/backup/backup_engine_impl.h"
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namespace ROCKSDB_NAMESPACE {
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namespace {
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using ShareFilesNaming = BackupEngineOptions::ShareFilesNaming;
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const auto kLegacyCrc32cAndFileSize =
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BackupEngineOptions::kLegacyCrc32cAndFileSize;
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const auto kUseDbSessionId = BackupEngineOptions::kUseDbSessionId;
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const auto kFlagIncludeFileSize = BackupEngineOptions::kFlagIncludeFileSize;
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const auto kNamingDefault = kUseDbSessionId | kFlagIncludeFileSize;
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class DummyDB : public StackableDB {
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public:
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/* implicit */
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DummyDB(const Options& options, const std::string& dbname)
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: StackableDB(nullptr), options_(options), dbname_(dbname),
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deletions_enabled_(true), sequence_number_(0) {}
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SequenceNumber GetLatestSequenceNumber() const override {
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return ++sequence_number_;
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}
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const std::string& GetName() const override { return dbname_; }
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Env* GetEnv() const override { return options_.env; }
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using DB::GetOptions;
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Options GetOptions(ColumnFamilyHandle* /*column_family*/) const override {
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return options_;
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}
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DBOptions GetDBOptions() const override { return DBOptions(options_); }
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Status EnableFileDeletions(bool /*force*/) override {
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EXPECT_TRUE(!deletions_enabled_);
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deletions_enabled_ = true;
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return Status::OK();
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}
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Status DisableFileDeletions() override {
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EXPECT_TRUE(deletions_enabled_);
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deletions_enabled_ = false;
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return Status::OK();
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}
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ColumnFamilyHandle* DefaultColumnFamily() const override { return nullptr; }
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Status GetLiveFilesStorageInfo(
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const LiveFilesStorageInfoOptions& opts,
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std::vector<LiveFileStorageInfo>* files) override {
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uint64_t number;
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FileType type;
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files->clear();
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for (auto& f : live_files_) {
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bool success = ParseFileName(f, &number, &type);
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if (!success) {
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return Status::InvalidArgument("Bad file name: " + f);
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}
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files->emplace_back();
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LiveFileStorageInfo& info = files->back();
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info.relative_filename = f;
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info.directory = dbname_;
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info.file_number = number;
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info.file_type = type;
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if (type == kDescriptorFile) {
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info.size = 100; // See TestFs::GetChildrenFileAttributes below
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info.trim_to_size = true;
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} else if (type == kCurrentFile) {
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info.size = 0;
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info.trim_to_size = true;
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} else {
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info.size = 200; // See TestFs::GetChildrenFileAttributes below
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}
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if (opts.include_checksum_info) {
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info.file_checksum = kUnknownFileChecksum;
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info.file_checksum_func_name = kUnknownFileChecksumFuncName;
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}
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}
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return Status::OK();
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}
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// To avoid FlushWAL called on stacked db which is nullptr
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Status FlushWAL(bool /*sync*/) override { return Status::OK(); }
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std::vector<std::string> live_files_;
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private:
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Options options_;
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std::string dbname_;
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bool deletions_enabled_;
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mutable SequenceNumber sequence_number_;
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}; // DummyDB
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class TestFs : public FileSystemWrapper {
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public:
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explicit TestFs(const std::shared_ptr<FileSystem>& t)
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: FileSystemWrapper(t) {}
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const char* Name() const override { return "TestFs"; }
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class DummySequentialFile : public FSSequentialFile {
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public:
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explicit DummySequentialFile(bool fail_reads)
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: FSSequentialFile(), rnd_(5), fail_reads_(fail_reads) {}
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IOStatus Read(size_t n, const IOOptions&, Slice* result, char* scratch,
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IODebugContext*) override {
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if (fail_reads_) {
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return IOStatus::IOError();
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}
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size_t read_size = (n > size_left) ? size_left : n;
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for (size_t i = 0; i < read_size; ++i) {
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scratch[i] = rnd_.Next() & 255;
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}
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*result = Slice(scratch, read_size);
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size_left -= read_size;
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return IOStatus::OK();
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}
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IOStatus Skip(uint64_t n) override {
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size_left = (n > size_left) ? size_left - n : 0;
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return IOStatus::OK();
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}
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private:
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size_t size_left = 200;
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Random rnd_;
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bool fail_reads_;
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};
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IOStatus NewSequentialFile(const std::string& f, const FileOptions& file_opts,
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std::unique_ptr<FSSequentialFile>* r,
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IODebugContext* dbg) override {
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MutexLock l(&mutex_);
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if (dummy_sequential_file_) {
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r->reset(
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new TestFs::DummySequentialFile(dummy_sequential_file_fail_reads_));
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return IOStatus::OK();
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} else {
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IOStatus s = FileSystemWrapper::NewSequentialFile(f, file_opts, r, dbg);
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if (s.ok()) {
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if ((*r)->use_direct_io()) {
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++num_direct_seq_readers_;
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}
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++num_seq_readers_;
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}
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return s;
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}
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}
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IOStatus NewWritableFile(const std::string& f, const FileOptions& file_opts,
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std::unique_ptr<FSWritableFile>* r,
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IODebugContext* dbg) override {
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MutexLock l(&mutex_);
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written_files_.push_back(f);
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if (limit_written_files_ == 0) {
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return IOStatus::NotSupported("Limit on written files reached");
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}
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limit_written_files_--;
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IOStatus s = FileSystemWrapper::NewWritableFile(f, file_opts, r, dbg);
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if (s.ok()) {
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if ((*r)->use_direct_io()) {
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++num_direct_writers_;
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}
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++num_writers_;
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}
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return s;
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}
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IOStatus NewRandomAccessFile(const std::string& f,
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const FileOptions& file_opts,
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std::unique_ptr<FSRandomAccessFile>* r,
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IODebugContext* dbg) override {
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MutexLock l(&mutex_);
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IOStatus s = FileSystemWrapper::NewRandomAccessFile(f, file_opts, r, dbg);
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if (s.ok()) {
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if ((*r)->use_direct_io()) {
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++num_direct_rand_readers_;
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}
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++num_rand_readers_;
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}
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return s;
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}
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IOStatus DeleteFile(const std::string& f, const IOOptions& options,
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IODebugContext* dbg) override {
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MutexLock l(&mutex_);
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if (fail_delete_files_) {
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return IOStatus::IOError();
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}
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EXPECT_GT(limit_delete_files_, 0U);
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limit_delete_files_--;
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return FileSystemWrapper::DeleteFile(f, options, dbg);
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}
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IOStatus DeleteDir(const std::string& d, const IOOptions& options,
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IODebugContext* dbg) override {
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MutexLock l(&mutex_);
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if (fail_delete_files_) {
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return IOStatus::IOError();
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}
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return FileSystemWrapper::DeleteDir(d, options, dbg);
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}
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void AssertWrittenFiles(std::vector<std::string>& should_have_written) {
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MutexLock l(&mutex_);
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std::sort(should_have_written.begin(), should_have_written.end());
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std::sort(written_files_.begin(), written_files_.end());
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ASSERT_EQ(should_have_written, written_files_);
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}
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void ClearWrittenFiles() {
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MutexLock l(&mutex_);
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written_files_.clear();
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}
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void SetLimitWrittenFiles(uint64_t limit) {
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MutexLock l(&mutex_);
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limit_written_files_ = limit;
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}
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void SetLimitDeleteFiles(uint64_t limit) {
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MutexLock l(&mutex_);
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limit_delete_files_ = limit;
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}
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void SetDeleteFileFailure(bool fail) {
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MutexLock l(&mutex_);
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fail_delete_files_ = fail;
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}
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void SetDummySequentialFile(bool dummy_sequential_file) {
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MutexLock l(&mutex_);
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dummy_sequential_file_ = dummy_sequential_file;
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}
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void SetDummySequentialFileFailReads(bool dummy_sequential_file_fail_reads) {
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MutexLock l(&mutex_);
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dummy_sequential_file_fail_reads_ = dummy_sequential_file_fail_reads;
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}
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void SetGetChildrenFailure(bool fail) { get_children_failure_ = fail; }
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IOStatus GetChildren(const std::string& dir, const IOOptions& io_opts,
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std::vector<std::string>* r,
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IODebugContext* dbg) override {
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if (get_children_failure_) {
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return IOStatus::IOError("SimulatedFailure");
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}
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return FileSystemWrapper::GetChildren(dir, io_opts, r, dbg);
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}
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// Some test cases do not actually create the test files (e.g., see
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// DummyDB::live_files_) - for those cases, we mock those files' attributes
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// so CreateNewBackup() can get their attributes.
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void SetFilenamesForMockedAttrs(const std::vector<std::string>& filenames) {
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filenames_for_mocked_attrs_ = filenames;
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}
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IOStatus GetChildrenFileAttributes(const std::string& dir,
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const IOOptions& options,
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std::vector<FileAttributes>* result,
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IODebugContext* dbg) override {
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if (filenames_for_mocked_attrs_.size() > 0) {
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for (const auto& filename : filenames_for_mocked_attrs_) {
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uint64_t size_bytes = 200; // Match TestFs
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if (filename.find("MANIFEST") == 0) {
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size_bytes = 100; // Match DummyDB::GetLiveFiles
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}
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result->push_back({dir + "/" + filename, size_bytes});
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}
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return IOStatus::OK();
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}
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return FileSystemWrapper::GetChildrenFileAttributes(dir, options, result,
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dbg);
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}
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IOStatus GetFileSize(const std::string& f, const IOOptions& options,
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uint64_t* s, IODebugContext* dbg) override {
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if (filenames_for_mocked_attrs_.size() > 0) {
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auto fname = f.substr(f.find_last_of('/') + 1);
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auto filename_iter = std::find(filenames_for_mocked_attrs_.begin(),
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filenames_for_mocked_attrs_.end(), fname);
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if (filename_iter != filenames_for_mocked_attrs_.end()) {
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*s = 200; // Match TestFs
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if (fname.find("MANIFEST") == 0) {
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*s = 100; // Match DummyDB::GetLiveFiles
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}
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return IOStatus::OK();
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}
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return IOStatus::NotFound(fname);
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}
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return FileSystemWrapper::GetFileSize(f, options, s, dbg);
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}
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void SetCreateDirIfMissingFailure(bool fail) {
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create_dir_if_missing_failure_ = fail;
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}
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IOStatus CreateDirIfMissing(const std::string& d, const IOOptions& options,
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IODebugContext* dbg) override {
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if (create_dir_if_missing_failure_) {
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return IOStatus::IOError("SimulatedFailure");
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}
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return FileSystemWrapper::CreateDirIfMissing(d, options, dbg);
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}
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void SetNewDirectoryFailure(bool fail) { new_directory_failure_ = fail; }
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IOStatus NewDirectory(const std::string& name, const IOOptions& io_opts,
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std::unique_ptr<FSDirectory>* result,
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IODebugContext* dbg) override {
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if (new_directory_failure_) {
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return IOStatus::IOError("SimulatedFailure");
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}
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return FileSystemWrapper::NewDirectory(name, io_opts, result, dbg);
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}
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void ClearFileOpenCounters() {
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MutexLock l(&mutex_);
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num_rand_readers_ = 0;
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num_direct_rand_readers_ = 0;
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num_seq_readers_ = 0;
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num_direct_seq_readers_ = 0;
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num_writers_ = 0;
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num_direct_writers_ = 0;
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}
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int num_rand_readers() { return num_rand_readers_; }
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int num_direct_rand_readers() { return num_direct_rand_readers_; }
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int num_seq_readers() { return num_seq_readers_; }
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int num_direct_seq_readers() { return num_direct_seq_readers_; }
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int num_writers() { return num_writers_; }
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// FIXME(?): unused
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int num_direct_writers() { return num_direct_writers_; }
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private:
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port::Mutex mutex_;
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bool dummy_sequential_file_ = false;
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bool dummy_sequential_file_fail_reads_ = false;
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std::vector<std::string> written_files_;
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std::vector<std::string> filenames_for_mocked_attrs_;
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uint64_t limit_written_files_ = 1000000;
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uint64_t limit_delete_files_ = 1000000;
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bool fail_delete_files_ = false;
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bool get_children_failure_ = false;
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bool create_dir_if_missing_failure_ = false;
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bool new_directory_failure_ = false;
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// Keeps track of how many files of each type were successfully opened, and
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// out of those, how many were opened with direct I/O.
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std::atomic<int> num_rand_readers_{};
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std::atomic<int> num_direct_rand_readers_{};
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std::atomic<int> num_seq_readers_{};
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std::atomic<int> num_direct_seq_readers_{};
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std::atomic<int> num_writers_{};
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std::atomic<int> num_direct_writers_{};
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}; // TestFs
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class FileManager : public EnvWrapper {
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public:
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explicit FileManager(Env* t) : EnvWrapper(t), rnd_(5) {}
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const char* Name() const override { return "FileManager"; }
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Status GetRandomFileInDir(const std::string& dir, std::string* fname,
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uint64_t* fsize) {
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std::vector<FileAttributes> children;
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auto s = GetChildrenFileAttributes(dir, &children);
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if (!s.ok()) {
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return s;
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} else if (children.size() <= 2) { // . and ..
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return Status::NotFound("Empty directory: " + dir);
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}
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assert(fname != nullptr);
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while (true) {
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int i = rnd_.Next() % children.size();
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fname->assign(dir + "/" + children[i].name);
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*fsize = children[i].size_bytes;
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return Status::OK();
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}
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// should never get here
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assert(false);
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return Status::NotFound("");
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}
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Status DeleteRandomFileInDir(const std::string& dir) {
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std::vector<std::string> children;
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Status s = GetChildren(dir, &children);
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if (!s.ok()) {
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return s;
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}
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while (true) {
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int i = rnd_.Next() % children.size();
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return DeleteFile(dir + "/" + children[i]);
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}
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// should never get here
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assert(false);
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return Status::NotFound("");
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}
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Status AppendToRandomFileInDir(const std::string& dir,
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const std::string& data) {
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std::vector<std::string> children;
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Status s = GetChildren(dir, &children);
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if (!s.ok()) {
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return s;
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}
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while (true) {
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int i = rnd_.Next() % children.size();
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return WriteToFile(dir + "/" + children[i], data);
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}
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// should never get here
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assert(false);
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return Status::NotFound("");
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}
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Status CorruptFile(const std::string& fname, uint64_t bytes_to_corrupt) {
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std::string file_contents;
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Status s = ReadFileToString(this, fname, &file_contents);
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if (!s.ok()) {
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return s;
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}
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s = DeleteFile(fname);
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if (!s.ok()) {
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return s;
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}
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for (uint64_t i = 0; i < bytes_to_corrupt; ++i) {
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std::string tmp = rnd_.RandomString(1);
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file_contents[rnd_.Next() % file_contents.size()] = tmp[0];
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}
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return WriteToFile(fname, file_contents);
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}
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Status CorruptFileStart(const std::string& fname) {
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std::string to_xor = "blah";
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std::string file_contents;
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Status s = ReadFileToString(this, fname, &file_contents);
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if (!s.ok()) {
|
|
return s;
|
|
}
|
|
s = DeleteFile(fname);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
for (size_t i = 0; i < to_xor.size(); ++i) {
|
|
file_contents[i] ^= to_xor[i];
|
|
}
|
|
return WriteToFile(fname, file_contents);
|
|
}
|
|
|
|
Status CorruptChecksum(const std::string& fname, bool appear_valid) {
|
|
std::string metadata;
|
|
Status s = ReadFileToString(this, fname, &metadata);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
s = DeleteFile(fname);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
|
|
auto pos = metadata.find("private");
|
|
if (pos == std::string::npos) {
|
|
return Status::Corruption("private file is expected");
|
|
}
|
|
pos = metadata.find(" crc32 ", pos + 6);
|
|
if (pos == std::string::npos) {
|
|
return Status::Corruption("checksum not found");
|
|
}
|
|
|
|
if (metadata.size() < pos + 7) {
|
|
return Status::Corruption("bad CRC32 checksum value");
|
|
}
|
|
|
|
if (appear_valid) {
|
|
if (metadata[pos + 8] == '\n') {
|
|
// single digit value, safe to insert one more digit
|
|
metadata.insert(pos + 8, 1, '0');
|
|
} else {
|
|
metadata.erase(pos + 8, 1);
|
|
}
|
|
} else {
|
|
metadata[pos + 7] = 'a';
|
|
}
|
|
|
|
return WriteToFile(fname, metadata);
|
|
}
|
|
|
|
Status WriteToFile(const std::string& fname, const std::string& data) {
|
|
std::unique_ptr<WritableFile> file;
|
|
EnvOptions env_options;
|
|
env_options.use_mmap_writes = false;
|
|
Status s = EnvWrapper::NewWritableFile(fname, &file, env_options);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
return file->Append(Slice(data));
|
|
}
|
|
|
|
private:
|
|
Random rnd_;
|
|
}; // FileManager
|
|
|
|
// utility functions
|
|
namespace {
|
|
|
|
enum FillDBFlushAction {
|
|
kFlushMost,
|
|
kFlushAll,
|
|
kAutoFlushOnly,
|
|
};
|
|
|
|
// Many tests in this file expect FillDB to write at least one sst file,
|
|
// so the default behavior (if not kAutoFlushOnly) of FillDB is to force
|
|
// a flush. But to ensure coverage of the WAL file case, we also (by default)
|
|
// do one Put after the Flush (kFlushMost).
|
|
size_t FillDB(DB* db, int from, int to,
|
|
FillDBFlushAction flush_action = kFlushMost) {
|
|
size_t bytes_written = 0;
|
|
for (int i = from; i < to; ++i) {
|
|
std::string key = "testkey" + ToString(i);
|
|
std::string value = "testvalue" + ToString(i);
|
|
bytes_written += key.size() + value.size();
|
|
|
|
EXPECT_OK(db->Put(WriteOptions(), Slice(key), Slice(value)));
|
|
|
|
if (flush_action == kFlushMost && i == to - 2) {
|
|
EXPECT_OK(db->Flush(FlushOptions()));
|
|
}
|
|
}
|
|
if (flush_action == kFlushAll) {
|
|
EXPECT_OK(db->Flush(FlushOptions()));
|
|
}
|
|
return bytes_written;
|
|
}
|
|
|
|
void AssertExists(DB* db, int from, int to) {
|
|
for (int i = from; i < to; ++i) {
|
|
std::string key = "testkey" + ToString(i);
|
|
std::string value;
|
|
Status s = db->Get(ReadOptions(), Slice(key), &value);
|
|
ASSERT_EQ(value, "testvalue" + ToString(i));
|
|
}
|
|
}
|
|
|
|
void AssertEmpty(DB* db, int from, int to) {
|
|
for (int i = from; i < to; ++i) {
|
|
std::string key = "testkey" + ToString(i);
|
|
std::string value = "testvalue" + ToString(i);
|
|
|
|
Status s = db->Get(ReadOptions(), Slice(key), &value);
|
|
ASSERT_TRUE(s.IsNotFound());
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
class BackupEngineTest : public testing::Test {
|
|
public:
|
|
enum ShareOption {
|
|
kNoShare,
|
|
kShareNoChecksum,
|
|
kShareWithChecksum,
|
|
};
|
|
|
|
const std::vector<ShareOption> kAllShareOptions = {
|
|
kNoShare, kShareNoChecksum, kShareWithChecksum};
|
|
|
|
BackupEngineTest() {
|
|
// set up files
|
|
std::string db_chroot = test::PerThreadDBPath("db_for_backup");
|
|
std::string backup_chroot = test::PerThreadDBPath("db_backups");
|
|
EXPECT_OK(Env::Default()->CreateDirIfMissing(db_chroot));
|
|
EXPECT_OK(Env::Default()->CreateDirIfMissing(backup_chroot));
|
|
dbname_ = "/tempdb";
|
|
backupdir_ = "/tempbk";
|
|
latest_backup_ = backupdir_ + "/LATEST_BACKUP";
|
|
|
|
// set up FileSystem & Envs
|
|
db_chroot_fs_ = NewChrootFileSystem(FileSystem::Default(), db_chroot);
|
|
backup_chroot_fs_ =
|
|
NewChrootFileSystem(FileSystem::Default(), backup_chroot);
|
|
test_db_fs_ = std::make_shared<TestFs>(db_chroot_fs_);
|
|
test_backup_fs_ = std::make_shared<TestFs>(backup_chroot_fs_);
|
|
SetEnvsFromFileSystems();
|
|
|
|
// set up db options
|
|
options_.create_if_missing = true;
|
|
options_.paranoid_checks = true;
|
|
options_.write_buffer_size = 1 << 17; // 128KB
|
|
options_.wal_dir = dbname_;
|
|
options_.enable_blob_files = true;
|
|
|
|
// The sync option is not easily testable in unit tests, but should be
|
|
// smoke tested across all the other backup tests. However, it is
|
|
// certainly not worth doubling the runtime of backup tests for it.
|
|
// Thus, we can enable sync for one of our alternate testing
|
|
// configurations.
|
|
constexpr bool kUseSync =
|
|
#ifdef ROCKSDB_MODIFY_NPHASH
|
|
true;
|
|
#else
|
|
false;
|
|
#endif // ROCKSDB_MODIFY_NPHASH
|
|
|
|
// set up backup db options
|
|
engine_options_.reset(new BackupEngineOptions(
|
|
backupdir_, test_backup_env_.get(), /*share_table_files*/ true,
|
|
logger_.get(), kUseSync));
|
|
|
|
// most tests will use multi-threaded backups
|
|
engine_options_->max_background_operations = 7;
|
|
|
|
// delete old files in db
|
|
DestroyDB(dbname_, options_);
|
|
|
|
// delete old LATEST_BACKUP file, which some tests create for compatibility
|
|
// testing.
|
|
backup_chroot_env_->DeleteFile(latest_backup_).PermitUncheckedError();
|
|
}
|
|
|
|
void SetEnvsFromFileSystems() {
|
|
db_chroot_env_.reset(
|
|
new CompositeEnvWrapper(Env::Default(), db_chroot_fs_));
|
|
backup_chroot_env_.reset(
|
|
new CompositeEnvWrapper(Env::Default(), backup_chroot_fs_));
|
|
test_db_env_.reset(new CompositeEnvWrapper(Env::Default(), test_db_fs_));
|
|
options_.env = test_db_env_.get();
|
|
test_backup_env_.reset(
|
|
new CompositeEnvWrapper(Env::Default(), test_backup_fs_));
|
|
if (engine_options_) {
|
|
engine_options_->backup_env = test_backup_env_.get();
|
|
}
|
|
file_manager_.reset(new FileManager(backup_chroot_env_.get()));
|
|
db_file_manager_.reset(new FileManager(db_chroot_env_.get()));
|
|
|
|
// Create logger
|
|
DBOptions logger_options;
|
|
logger_options.env = db_chroot_env_.get();
|
|
ASSERT_OK(CreateLoggerFromOptions(dbname_, logger_options, &logger_));
|
|
}
|
|
|
|
DB* OpenDB() {
|
|
DB* db;
|
|
EXPECT_OK(DB::Open(options_, dbname_, &db));
|
|
return db;
|
|
}
|
|
|
|
void CloseAndReopenDB(bool read_only = false) {
|
|
// Close DB
|
|
db_.reset();
|
|
|
|
// Open DB
|
|
test_db_fs_->SetLimitWrittenFiles(1000000);
|
|
DB* db;
|
|
if (read_only) {
|
|
ASSERT_OK(DB::OpenForReadOnly(options_, dbname_, &db));
|
|
} else {
|
|
ASSERT_OK(DB::Open(options_, dbname_, &db));
|
|
}
|
|
db_.reset(db);
|
|
}
|
|
|
|
void InitializeDBAndBackupEngine(bool dummy = false) {
|
|
// reset all the db env defaults
|
|
test_db_fs_->SetLimitWrittenFiles(1000000);
|
|
test_db_fs_->SetDummySequentialFile(dummy);
|
|
|
|
DB* db;
|
|
if (dummy) {
|
|
dummy_db_ = new DummyDB(options_, dbname_);
|
|
db = dummy_db_;
|
|
} else {
|
|
ASSERT_OK(DB::Open(options_, dbname_, &db));
|
|
}
|
|
db_.reset(db);
|
|
}
|
|
|
|
virtual void OpenDBAndBackupEngine(
|
|
bool destroy_old_data = false, bool dummy = false,
|
|
ShareOption shared_option = kShareNoChecksum) {
|
|
InitializeDBAndBackupEngine(dummy);
|
|
// reset backup env defaults
|
|
test_backup_fs_->SetLimitWrittenFiles(1000000);
|
|
engine_options_->destroy_old_data = destroy_old_data;
|
|
engine_options_->share_table_files = shared_option != kNoShare;
|
|
engine_options_->share_files_with_checksum =
|
|
shared_option == kShareWithChecksum;
|
|
OpenBackupEngine(destroy_old_data);
|
|
}
|
|
|
|
void CloseDBAndBackupEngine() {
|
|
db_.reset();
|
|
backup_engine_.reset();
|
|
}
|
|
|
|
void OpenBackupEngine(bool destroy_old_data = false) {
|
|
engine_options_->destroy_old_data = destroy_old_data;
|
|
engine_options_->info_log = logger_.get();
|
|
BackupEngine* backup_engine;
|
|
ASSERT_OK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
backup_engine_.reset(backup_engine);
|
|
}
|
|
|
|
void CloseBackupEngine() { backup_engine_.reset(nullptr); }
|
|
|
|
// cross-cutting test of GetBackupInfo
|
|
void AssertBackupInfoConsistency() {
|
|
std::vector<BackupInfo> backup_info;
|
|
backup_engine_->GetBackupInfo(&backup_info, /*with file details*/ true);
|
|
std::map<std::string, uint64_t> file_sizes;
|
|
|
|
// Find the files that are supposed to be there
|
|
for (auto& backup : backup_info) {
|
|
uint64_t sum_for_backup = 0;
|
|
for (auto& file : backup.file_details) {
|
|
auto e = file_sizes.find(file.relative_filename);
|
|
if (e == file_sizes.end()) {
|
|
// fprintf(stderr, "Adding %s -> %u\n",
|
|
// file.relative_filename.c_str(), (unsigned)file.size);
|
|
file_sizes[file.relative_filename] = file.size;
|
|
} else {
|
|
ASSERT_EQ(file_sizes[file.relative_filename], file.size);
|
|
}
|
|
sum_for_backup += file.size;
|
|
}
|
|
ASSERT_EQ(backup.size, sum_for_backup);
|
|
}
|
|
|
|
std::vector<BackupID> corrupt_backup_ids;
|
|
backup_engine_->GetCorruptedBackups(&corrupt_backup_ids);
|
|
bool has_corrupt = corrupt_backup_ids.size() > 0;
|
|
|
|
// Compare with what's in backup dir
|
|
std::vector<std::string> child_dirs;
|
|
ASSERT_OK(
|
|
test_backup_env_->GetChildren(backupdir_ + "/private", &child_dirs));
|
|
for (auto& dir : child_dirs) {
|
|
dir = "private/" + dir;
|
|
}
|
|
child_dirs.push_back("shared"); // might not exist
|
|
child_dirs.push_back("shared_checksum"); // might not exist
|
|
for (auto& dir : child_dirs) {
|
|
std::vector<std::string> children;
|
|
test_backup_env_->GetChildren(backupdir_ + "/" + dir, &children)
|
|
.PermitUncheckedError();
|
|
// fprintf(stderr, "ls %s\n", (backupdir_ + "/" + dir).c_str());
|
|
for (auto& file : children) {
|
|
uint64_t size;
|
|
size = UINT64_MAX; // appease clang-analyze
|
|
std::string rel_file = dir + "/" + file;
|
|
// fprintf(stderr, "stat %s\n", (backupdir_ + "/" + rel_file).c_str());
|
|
ASSERT_OK(
|
|
test_backup_env_->GetFileSize(backupdir_ + "/" + rel_file, &size));
|
|
auto e = file_sizes.find(rel_file);
|
|
if (e == file_sizes.end()) {
|
|
// The only case in which we should find files not reported
|
|
ASSERT_TRUE(has_corrupt);
|
|
} else {
|
|
ASSERT_EQ(e->second, size);
|
|
file_sizes.erase(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Everything should have been matched
|
|
ASSERT_EQ(file_sizes.size(), 0);
|
|
}
|
|
|
|
// restores backup backup_id and asserts the existence of
|
|
// [start_exist, end_exist> and not-existence of
|
|
// [end_exist, end>
|
|
//
|
|
// if backup_id == 0, it means restore from latest
|
|
// if end == 0, don't check AssertEmpty
|
|
void AssertBackupConsistency(BackupID backup_id, uint32_t start_exist,
|
|
uint32_t end_exist, uint32_t end = 0,
|
|
bool keep_log_files = false) {
|
|
RestoreOptions restore_options(keep_log_files);
|
|
bool opened_backup_engine = false;
|
|
if (backup_engine_.get() == nullptr) {
|
|
opened_backup_engine = true;
|
|
OpenBackupEngine();
|
|
}
|
|
AssertBackupInfoConsistency();
|
|
|
|
// Now perform restore
|
|
if (backup_id > 0) {
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(backup_id, dbname_, dbname_,
|
|
restore_options));
|
|
} else {
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_,
|
|
restore_options));
|
|
}
|
|
DB* db = OpenDB();
|
|
// Check DB contents
|
|
AssertExists(db, start_exist, end_exist);
|
|
if (end != 0) {
|
|
AssertEmpty(db, end_exist, end);
|
|
}
|
|
delete db;
|
|
if (opened_backup_engine) {
|
|
CloseBackupEngine();
|
|
}
|
|
}
|
|
|
|
void DeleteLogFiles() {
|
|
std::vector<std::string> delete_logs;
|
|
ASSERT_OK(db_chroot_env_->GetChildren(dbname_, &delete_logs));
|
|
for (auto f : delete_logs) {
|
|
uint64_t number;
|
|
FileType type;
|
|
bool ok = ParseFileName(f, &number, &type);
|
|
if (ok && type == kWalFile) {
|
|
ASSERT_OK(db_chroot_env_->DeleteFile(dbname_ + "/" + f));
|
|
}
|
|
}
|
|
}
|
|
|
|
Status GetDataFilesInDB(const FileType& file_type,
|
|
std::vector<FileAttributes>* files) {
|
|
std::vector<std::string> live;
|
|
uint64_t ignore_manifest_size;
|
|
Status s = db_->GetLiveFiles(live, &ignore_manifest_size, /*flush*/ false);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
std::vector<FileAttributes> children;
|
|
s = test_db_env_->GetChildrenFileAttributes(dbname_, &children);
|
|
for (const auto& child : children) {
|
|
FileType type;
|
|
uint64_t number = 0;
|
|
if (ParseFileName(child.name, &number, &type) && type == file_type &&
|
|
std::find(live.begin(), live.end(), "/" + child.name) != live.end()) {
|
|
files->push_back(child);
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
Status GetRandomDataFileInDB(const FileType& file_type,
|
|
std::string* fname_out,
|
|
uint64_t* fsize_out = nullptr) {
|
|
Random rnd(6); // NB: hardly "random"
|
|
std::vector<FileAttributes> files;
|
|
Status s = GetDataFilesInDB(file_type, &files);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
if (files.empty()) {
|
|
return Status::NotFound("");
|
|
}
|
|
size_t i = rnd.Uniform(static_cast<int>(files.size()));
|
|
*fname_out = dbname_ + "/" + files[i].name;
|
|
if (fsize_out) {
|
|
*fsize_out = files[i].size_bytes;
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status CorruptRandomDataFileInDB(const FileType& file_type) {
|
|
std::string fname;
|
|
uint64_t fsize = 0;
|
|
Status s = GetRandomDataFileInDB(file_type, &fname, &fsize);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
|
|
std::string file_contents;
|
|
s = ReadFileToString(test_db_env_.get(), fname, &file_contents);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
s = test_db_env_->DeleteFile(fname);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
|
|
file_contents[0] = (file_contents[0] + 257) % 256;
|
|
return WriteStringToFile(test_db_env_.get(), file_contents, fname);
|
|
}
|
|
|
|
void AssertDirectoryFilesMatchRegex(const std::string& dir,
|
|
const TestRegex& pattern,
|
|
const std::string& file_type,
|
|
int minimum_count) {
|
|
std::vector<FileAttributes> children;
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(dir, &children));
|
|
int found_count = 0;
|
|
for (const auto& child : children) {
|
|
if (EndsWith(child.name, file_type)) {
|
|
ASSERT_MATCHES_REGEX(child.name, pattern);
|
|
++found_count;
|
|
}
|
|
}
|
|
ASSERT_GE(found_count, minimum_count);
|
|
}
|
|
|
|
void AssertDirectoryFilesSizeIndicators(const std::string& dir,
|
|
int minimum_count) {
|
|
std::vector<FileAttributes> children;
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(dir, &children));
|
|
int found_count = 0;
|
|
for (const auto& child : children) {
|
|
auto last_underscore = child.name.find_last_of('_');
|
|
auto last_dot = child.name.find_last_of('.');
|
|
ASSERT_NE(child.name, child.name.substr(0, last_underscore));
|
|
ASSERT_NE(child.name, child.name.substr(0, last_dot));
|
|
ASSERT_LT(last_underscore, last_dot);
|
|
std::string s = child.name.substr(last_underscore + 1,
|
|
last_dot - (last_underscore + 1));
|
|
ASSERT_EQ(s, ToString(child.size_bytes));
|
|
++found_count;
|
|
}
|
|
ASSERT_GE(found_count, minimum_count);
|
|
}
|
|
|
|
// files
|
|
std::string dbname_;
|
|
std::string backupdir_;
|
|
std::string latest_backup_;
|
|
|
|
// logger_ must be above backup_engine_ such that the engine's destructor,
|
|
// which uses a raw pointer to the logger, executes first.
|
|
std::shared_ptr<Logger> logger_;
|
|
|
|
// FileSystems
|
|
std::shared_ptr<FileSystem> db_chroot_fs_;
|
|
std::shared_ptr<FileSystem> backup_chroot_fs_;
|
|
std::shared_ptr<TestFs> test_db_fs_;
|
|
std::shared_ptr<TestFs> test_backup_fs_;
|
|
|
|
// Env wrappers
|
|
std::unique_ptr<Env> db_chroot_env_;
|
|
std::unique_ptr<Env> backup_chroot_env_;
|
|
std::unique_ptr<Env> test_db_env_;
|
|
std::unique_ptr<Env> test_backup_env_;
|
|
std::unique_ptr<FileManager> file_manager_;
|
|
std::unique_ptr<FileManager> db_file_manager_;
|
|
|
|
// all the dbs!
|
|
DummyDB* dummy_db_; // owned as db_ when present
|
|
std::unique_ptr<DB> db_;
|
|
std::unique_ptr<BackupEngine> backup_engine_;
|
|
|
|
// options
|
|
Options options_;
|
|
|
|
protected:
|
|
std::unique_ptr<BackupEngineOptions> engine_options_;
|
|
}; // BackupEngineTest
|
|
|
|
void AppendPath(const std::string& path, std::vector<std::string>& v) {
|
|
for (auto& f : v) {
|
|
f = path + f;
|
|
}
|
|
}
|
|
|
|
class BackupEngineTestWithParam : public BackupEngineTest,
|
|
public testing::WithParamInterface<bool> {
|
|
public:
|
|
BackupEngineTestWithParam() {
|
|
engine_options_->share_files_with_checksum = GetParam();
|
|
}
|
|
void OpenDBAndBackupEngine(
|
|
bool destroy_old_data = false, bool dummy = false,
|
|
ShareOption shared_option = kShareNoChecksum) override {
|
|
BackupEngineTest::InitializeDBAndBackupEngine(dummy);
|
|
// reset backup env defaults
|
|
test_backup_fs_->SetLimitWrittenFiles(1000000);
|
|
engine_options_->destroy_old_data = destroy_old_data;
|
|
engine_options_->share_table_files = shared_option != kNoShare;
|
|
// NOTE: keep share_files_with_checksum setting from constructor
|
|
OpenBackupEngine(destroy_old_data);
|
|
}
|
|
};
|
|
|
|
TEST_F(BackupEngineTest, FileCollision) {
|
|
const int keys_iteration = 100;
|
|
for (const auto& sopt : kAllShareOptions) {
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */, sopt);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
FillDB(db_.get(), keys_iteration, keys_iteration * 2);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// If the db directory has been cleaned up, it is sensitive to file
|
|
// collision.
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
|
|
// open fresh DB, but old backups present
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false /* dummy */,
|
|
sopt);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
ASSERT_OK(db_->Flush(FlushOptions())); // like backup would do
|
|
FillDB(db_.get(), keys_iteration, keys_iteration * 2);
|
|
if (sopt != kShareNoChecksum) {
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
} else {
|
|
// The new table files created in FillDB() will clash with the old
|
|
// backup and sharing tables with no checksum will have the file
|
|
// collision problem.
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(0));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
// delete old data
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
}
|
|
}
|
|
|
|
// This test verifies that the verifyBackup method correctly identifies
|
|
// invalid backups
|
|
TEST_P(BackupEngineTestWithParam, VerifyBackup) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
// create five backups
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
// ---------- case 1. - valid backup -----------
|
|
ASSERT_TRUE(backup_engine_->VerifyBackup(1).ok());
|
|
|
|
// ---------- case 2. - delete a file -----------i
|
|
ASSERT_OK(file_manager_->DeleteRandomFileInDir(backupdir_ + "/private/1"));
|
|
ASSERT_TRUE(backup_engine_->VerifyBackup(1).IsNotFound());
|
|
|
|
// ---------- case 3. - corrupt a file -----------
|
|
std::string append_data = "Corrupting a random file";
|
|
ASSERT_OK(file_manager_->AppendToRandomFileInDir(backupdir_ + "/private/2",
|
|
append_data));
|
|
ASSERT_TRUE(backup_engine_->VerifyBackup(2).IsCorruption());
|
|
|
|
// ---------- case 4. - invalid backup -----------
|
|
ASSERT_TRUE(backup_engine_->VerifyBackup(6).IsNotFound());
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
#if !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
// open DB, write, close DB, backup, restore, repeat
|
|
TEST_P(BackupEngineTestWithParam, OfflineIntegrationTest) {
|
|
// has to be a big number, so that it triggers the memtable flush
|
|
const int keys_iteration = 5000;
|
|
const int max_key = keys_iteration * 4 + 10;
|
|
// first iter -- flush before backup
|
|
// second iter -- don't flush before backup
|
|
for (int iter = 0; iter < 2; ++iter) {
|
|
// delete old data
|
|
DestroyDB(dbname_, options_);
|
|
bool destroy_data = true;
|
|
|
|
// every iteration --
|
|
// 1. insert new data in the DB
|
|
// 2. backup the DB
|
|
// 3. destroy the db
|
|
// 4. restore the db, check everything is still there
|
|
for (int i = 0; i < 5; ++i) {
|
|
// in last iteration, put smaller amount of data,
|
|
int fill_up_to = std::min(keys_iteration * (i + 1), max_key);
|
|
// ---- insert new data and back up ----
|
|
OpenDBAndBackupEngine(destroy_data);
|
|
destroy_data = false;
|
|
// kAutoFlushOnly to preserve legacy test behavior (consider updating)
|
|
FillDB(db_.get(), keys_iteration * i, fill_up_to, kAutoFlushOnly);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), iter == 0));
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
|
|
// ---- make sure it's empty ----
|
|
DB* db = OpenDB();
|
|
AssertEmpty(db, 0, fill_up_to);
|
|
delete db;
|
|
|
|
// ---- restore the DB ----
|
|
OpenBackupEngine();
|
|
if (i >= 3) { // test purge old backups
|
|
// when i == 4, purge to only 1 backup
|
|
// when i == 3, purge to 2 backups
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(5 - i));
|
|
}
|
|
// ---- make sure the data is there ---
|
|
AssertBackupConsistency(0, 0, fill_up_to, max_key);
|
|
CloseBackupEngine();
|
|
}
|
|
}
|
|
}
|
|
|
|
// open DB, write, backup, write, backup, close, restore
|
|
TEST_P(BackupEngineTestWithParam, OnlineIntegrationTest) {
|
|
// has to be a big number, so that it triggers the memtable flush
|
|
const int keys_iteration = 5000;
|
|
const int max_key = keys_iteration * 4 + 10;
|
|
Random rnd(7);
|
|
// delete old data
|
|
DestroyDB(dbname_, options_);
|
|
|
|
// TODO: Implement & test db_paths support in backup (not supported in
|
|
// restore)
|
|
// options_.db_paths.emplace_back(dbname_, 500 * 1024);
|
|
// options_.db_paths.emplace_back(dbname_ + "_2", 1024 * 1024 * 1024);
|
|
|
|
OpenDBAndBackupEngine(true);
|
|
// write some data, backup, repeat
|
|
for (int i = 0; i < 5; ++i) {
|
|
if (i == 4) {
|
|
// delete backup number 2, online delete!
|
|
ASSERT_OK(backup_engine_->DeleteBackup(2));
|
|
}
|
|
// in last iteration, put smaller amount of data,
|
|
// so that backups can share sst files
|
|
int fill_up_to = std::min(keys_iteration * (i + 1), max_key);
|
|
// kAutoFlushOnly to preserve legacy test behavior (consider updating)
|
|
FillDB(db_.get(), keys_iteration * i, fill_up_to, kAutoFlushOnly);
|
|
// we should get consistent results with flush_before_backup
|
|
// set to both true and false
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
}
|
|
// close and destroy
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
|
|
// ---- make sure it's empty ----
|
|
DB* db = OpenDB();
|
|
AssertEmpty(db, 0, max_key);
|
|
delete db;
|
|
|
|
// ---- restore every backup and verify all the data is there ----
|
|
OpenBackupEngine();
|
|
for (int i = 1; i <= 5; ++i) {
|
|
if (i == 2) {
|
|
// we deleted backup 2
|
|
Status s = backup_engine_->RestoreDBFromBackup(2, dbname_, dbname_);
|
|
ASSERT_TRUE(!s.ok());
|
|
} else {
|
|
int fill_up_to = std::min(keys_iteration * i, max_key);
|
|
AssertBackupConsistency(i, 0, fill_up_to, max_key);
|
|
}
|
|
}
|
|
|
|
// delete some backups -- this should leave only backups 3 and 5 alive
|
|
ASSERT_OK(backup_engine_->DeleteBackup(4));
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(2));
|
|
|
|
std::vector<BackupInfo> backup_info;
|
|
backup_engine_->GetBackupInfo(&backup_info);
|
|
ASSERT_EQ(2UL, backup_info.size());
|
|
|
|
// check backup 3
|
|
AssertBackupConsistency(3, 0, 3 * keys_iteration, max_key);
|
|
// check backup 5
|
|
AssertBackupConsistency(5, 0, max_key);
|
|
|
|
CloseBackupEngine();
|
|
}
|
|
#endif // !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
|
|
INSTANTIATE_TEST_CASE_P(BackupEngineTestWithParam, BackupEngineTestWithParam,
|
|
::testing::Bool());
|
|
|
|
// this will make sure that backup does not copy the same file twice
|
|
TEST_F(BackupEngineTest, NoDoubleCopy_And_AutoGC) {
|
|
OpenDBAndBackupEngine(true, true);
|
|
|
|
// should write 5 DB files + one meta file
|
|
test_backup_fs_->SetLimitWrittenFiles(7);
|
|
test_backup_fs_->ClearWrittenFiles();
|
|
test_db_fs_->SetLimitWrittenFiles(0);
|
|
dummy_db_->live_files_ = {"00010.sst", "00011.sst", "CURRENT", "MANIFEST-01",
|
|
"00011.log"};
|
|
test_db_fs_->SetFilenamesForMockedAttrs(dummy_db_->live_files_);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), false));
|
|
std::vector<std::string> should_have_written = {
|
|
"/shared/.00010.sst.tmp", "/shared/.00011.sst.tmp", "/private/1/CURRENT",
|
|
"/private/1/MANIFEST-01", "/private/1/00011.log", "/meta/.1.tmp"};
|
|
AppendPath(backupdir_, should_have_written);
|
|
test_backup_fs_->AssertWrittenFiles(should_have_written);
|
|
|
|
char db_number = '1';
|
|
|
|
for (std::string other_sst : {"00015.sst", "00017.sst", "00019.sst"}) {
|
|
// should write 4 new DB files + one meta file
|
|
// should not write/copy 00010.sst, since it's already there!
|
|
test_backup_fs_->SetLimitWrittenFiles(6);
|
|
test_backup_fs_->ClearWrittenFiles();
|
|
|
|
dummy_db_->live_files_ = {"00010.sst", other_sst, "CURRENT", "MANIFEST-01",
|
|
"00011.log"};
|
|
test_db_fs_->SetFilenamesForMockedAttrs(dummy_db_->live_files_);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), false));
|
|
// should not open 00010.sst - it's already there
|
|
|
|
++db_number;
|
|
std::string private_dir = std::string("/private/") + db_number;
|
|
should_have_written = {
|
|
"/shared/." + other_sst + ".tmp", private_dir + "/CURRENT",
|
|
private_dir + "/MANIFEST-01", private_dir + "/00011.log",
|
|
std::string("/meta/.") + db_number + ".tmp"};
|
|
AppendPath(backupdir_, should_have_written);
|
|
test_backup_fs_->AssertWrittenFiles(should_have_written);
|
|
}
|
|
|
|
ASSERT_OK(backup_engine_->DeleteBackup(1));
|
|
ASSERT_OK(test_backup_env_->FileExists(backupdir_ + "/shared/00010.sst"));
|
|
|
|
// 00011.sst was only in backup 1, should be deleted
|
|
ASSERT_EQ(Status::NotFound(),
|
|
test_backup_env_->FileExists(backupdir_ + "/shared/00011.sst"));
|
|
ASSERT_OK(test_backup_env_->FileExists(backupdir_ + "/shared/00015.sst"));
|
|
|
|
// MANIFEST file size should be only 100
|
|
uint64_t size = 0;
|
|
ASSERT_OK(test_backup_env_->GetFileSize(backupdir_ + "/private/2/MANIFEST-01",
|
|
&size));
|
|
ASSERT_EQ(100UL, size);
|
|
ASSERT_OK(
|
|
test_backup_env_->GetFileSize(backupdir_ + "/shared/00015.sst", &size));
|
|
ASSERT_EQ(200UL, size);
|
|
|
|
CloseBackupEngine();
|
|
|
|
//
|
|
// Now simulate incomplete delete by removing just meta
|
|
//
|
|
ASSERT_OK(test_backup_env_->DeleteFile(backupdir_ + "/meta/2"));
|
|
|
|
OpenBackupEngine();
|
|
|
|
// 1 appears to be removed, so
|
|
// 2 non-corrupt and 0 corrupt seen
|
|
std::vector<BackupInfo> backup_info;
|
|
std::vector<BackupID> corrupt_backup_ids;
|
|
backup_engine_->GetBackupInfo(&backup_info);
|
|
backup_engine_->GetCorruptedBackups(&corrupt_backup_ids);
|
|
ASSERT_EQ(2UL, backup_info.size());
|
|
ASSERT_EQ(0UL, corrupt_backup_ids.size());
|
|
|
|
// Keep the two we see, but this should suffice to purge unreferenced
|
|
// shared files from incomplete delete.
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(2));
|
|
|
|
// Make sure dangling sst file has been removed (somewhere along this
|
|
// process). GarbageCollect should not be needed.
|
|
ASSERT_EQ(Status::NotFound(),
|
|
test_backup_env_->FileExists(backupdir_ + "/shared/00015.sst"));
|
|
ASSERT_OK(test_backup_env_->FileExists(backupdir_ + "/shared/00017.sst"));
|
|
ASSERT_OK(test_backup_env_->FileExists(backupdir_ + "/shared/00019.sst"));
|
|
|
|
// Now actually purge a good one
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(1));
|
|
|
|
ASSERT_EQ(Status::NotFound(),
|
|
test_backup_env_->FileExists(backupdir_ + "/shared/00017.sst"));
|
|
ASSERT_OK(test_backup_env_->FileExists(backupdir_ + "/shared/00019.sst"));
|
|
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// test various kind of corruptions that may happen:
|
|
// 1. Not able to write a file for backup - that backup should fail,
|
|
// everything else should work
|
|
// 2. Corrupted backup meta file or missing backuped file - we should
|
|
// not be able to open that backup, but all other backups should be
|
|
// fine
|
|
// 3. Corrupted checksum value - if the checksum is not a valid uint32_t,
|
|
// db open should fail, otherwise, it aborts during the restore process.
|
|
TEST_F(BackupEngineTest, CorruptionsTest) {
|
|
const int keys_iteration = 5000;
|
|
Random rnd(6);
|
|
Status s;
|
|
|
|
OpenDBAndBackupEngine(true);
|
|
// create five backups
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
}
|
|
|
|
// ---------- case 1. - fail a write -----------
|
|
// try creating backup 6, but fail a write
|
|
FillDB(db_.get(), keys_iteration * 5, keys_iteration * 6);
|
|
test_backup_fs_->SetLimitWrittenFiles(2);
|
|
// should fail
|
|
s = backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2));
|
|
ASSERT_NOK(s);
|
|
test_backup_fs_->SetLimitWrittenFiles(1000000);
|
|
// latest backup should have all the keys
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(0, 0, keys_iteration * 5, keys_iteration * 6);
|
|
|
|
// --------- case 2. corrupted backup meta or missing backuped file ----
|
|
ASSERT_OK(file_manager_->CorruptFile(backupdir_ + "/meta/5", 3));
|
|
// since 5 meta is now corrupted, latest backup should be 4
|
|
AssertBackupConsistency(0, 0, keys_iteration * 4, keys_iteration * 5);
|
|
OpenBackupEngine();
|
|
s = backup_engine_->RestoreDBFromBackup(5, dbname_, dbname_);
|
|
ASSERT_NOK(s);
|
|
CloseBackupEngine();
|
|
ASSERT_OK(file_manager_->DeleteRandomFileInDir(backupdir_ + "/private/4"));
|
|
// 4 is corrupted, 3 is the latest backup now
|
|
AssertBackupConsistency(0, 0, keys_iteration * 3, keys_iteration * 5);
|
|
OpenBackupEngine();
|
|
s = backup_engine_->RestoreDBFromBackup(4, dbname_, dbname_);
|
|
CloseBackupEngine();
|
|
ASSERT_NOK(s);
|
|
|
|
// --------- case 3. corrupted checksum value ----
|
|
ASSERT_OK(file_manager_->CorruptChecksum(backupdir_ + "/meta/3", false));
|
|
// checksum of backup 3 is an invalid value, this can be detected at
|
|
// db open time, and it reverts to the previous backup automatically
|
|
AssertBackupConsistency(0, 0, keys_iteration * 2, keys_iteration * 5);
|
|
// checksum of the backup 2 appears to be valid, this can cause checksum
|
|
// mismatch and abort restore process
|
|
ASSERT_OK(file_manager_->CorruptChecksum(backupdir_ + "/meta/2", true));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/2"));
|
|
OpenBackupEngine();
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/2"));
|
|
s = backup_engine_->RestoreDBFromBackup(2, dbname_, dbname_);
|
|
ASSERT_NOK(s);
|
|
|
|
// make sure that no corrupt backups have actually been deleted!
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/1"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/2"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/3"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/4"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/5"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/1"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/2"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/3"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/4"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/5"));
|
|
|
|
// delete the corrupt backups and then make sure they're actually deleted
|
|
ASSERT_OK(backup_engine_->DeleteBackup(5));
|
|
ASSERT_OK(backup_engine_->DeleteBackup(4));
|
|
ASSERT_OK(backup_engine_->DeleteBackup(3));
|
|
ASSERT_OK(backup_engine_->DeleteBackup(2));
|
|
// Should not be needed anymore with auto-GC on DeleteBackup
|
|
//(void)backup_engine_->GarbageCollect();
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/meta/5"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/private/5"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/meta/4"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/private/4"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/meta/3"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/private/3"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/meta/2"));
|
|
ASSERT_EQ(Status::NotFound(),
|
|
file_manager_->FileExists(backupdir_ + "/private/2"));
|
|
CloseBackupEngine();
|
|
AssertBackupConsistency(0, 0, keys_iteration * 1, keys_iteration * 5);
|
|
|
|
// new backup should be 2!
|
|
OpenDBAndBackupEngine();
|
|
FillDB(db_.get(), keys_iteration * 1, keys_iteration * 2);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(2, 0, keys_iteration * 2, keys_iteration * 5);
|
|
}
|
|
|
|
// Corrupt a file but maintain its size
|
|
TEST_F(BackupEngineTest, CorruptFileMaintainSize) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
// create a backup
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
// verify with file size
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, false));
|
|
// verify with file checksum
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, true));
|
|
|
|
std::string file_to_corrupt;
|
|
uint64_t file_size = 0;
|
|
// under normal circumstance, there should be at least one nonempty file
|
|
while (file_size == 0) {
|
|
// get a random file in /private/1
|
|
assert(file_manager_
|
|
->GetRandomFileInDir(backupdir_ + "/private/1", &file_to_corrupt,
|
|
&file_size)
|
|
.ok());
|
|
// corrupt the file by replacing its content by file_size random bytes
|
|
ASSERT_OK(file_manager_->CorruptFile(file_to_corrupt, file_size));
|
|
}
|
|
// file sizes match
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, false));
|
|
// file checksums mismatch
|
|
ASSERT_NOK(backup_engine_->VerifyBackup(1, true));
|
|
// sanity check, use default second argument
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// an extra challenge
|
|
// set share_files_with_checksum to true and do two more backups
|
|
// corrupt all the table files in shared_checksum but maintain their sizes
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum);
|
|
// creat two backups
|
|
for (int i = 1; i < 3; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
std::vector<FileAttributes> children;
|
|
const std::string dir = backupdir_ + "/shared_checksum";
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(dir, &children));
|
|
for (const auto& child : children) {
|
|
if (child.size_bytes == 0) {
|
|
continue;
|
|
}
|
|
// corrupt the file by replacing its content by file_size random bytes
|
|
ASSERT_OK(
|
|
file_manager_->CorruptFile(dir + "/" + child.name, child.size_bytes));
|
|
}
|
|
// file sizes match
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, false));
|
|
ASSERT_OK(backup_engine_->VerifyBackup(2, false));
|
|
// file checksums mismatch
|
|
ASSERT_NOK(backup_engine_->VerifyBackup(1, true));
|
|
ASSERT_NOK(backup_engine_->VerifyBackup(2, true));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// Corrupt a blob file but maintain its size
|
|
TEST_P(BackupEngineTestWithParam, CorruptBlobFileMaintainSize) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
// create a backup
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
// verify with file size
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, false));
|
|
// verify with file checksum
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, true));
|
|
|
|
std::string file_to_corrupt;
|
|
std::vector<FileAttributes> children;
|
|
|
|
std::string dir = backupdir_;
|
|
if (engine_options_->share_files_with_checksum) {
|
|
dir += "/shared_checksum";
|
|
} else {
|
|
dir += "/shared";
|
|
}
|
|
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(dir, &children));
|
|
|
|
for (const auto& child : children) {
|
|
if (EndsWith(child.name, ".blob") && child.size_bytes != 0) {
|
|
// corrupt the blob files by replacing its content by file_size random
|
|
// bytes
|
|
ASSERT_OK(
|
|
file_manager_->CorruptFile(dir + "/" + child.name, child.size_bytes));
|
|
}
|
|
}
|
|
|
|
// file sizes match
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1, false));
|
|
// file checksums mismatch
|
|
ASSERT_NOK(backup_engine_->VerifyBackup(1, true));
|
|
// sanity check, use default second argument
|
|
ASSERT_OK(backup_engine_->VerifyBackup(1));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// Test if BackupEngine will fail to create new backup if some table has been
|
|
// corrupted and the table file checksum is stored in the DB manifest
|
|
TEST_F(BackupEngineTest, TableFileCorruptedBeforeBackup) {
|
|
const int keys_iteration = 50000;
|
|
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kNoShare);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random table file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kTableFile));
|
|
// file_checksum_gen_factory is null, and thus table checksum is not
|
|
// verified for creating a new backup; no correction is detected
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
|
|
// Enable table file checksum in DB manifest
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kNoShare);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random table file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kTableFile));
|
|
// table file checksum is enabled so we should be able to detect any
|
|
// corruption
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// Test if BackupEngine will fail to create new backup if some blob files has
|
|
// been corrupted and the blob file checksum is stored in the DB manifest
|
|
TEST_F(BackupEngineTest, BlobFileCorruptedBeforeBackup) {
|
|
const int keys_iteration = 50000;
|
|
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kNoShare);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random blob file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kBlobFile));
|
|
// file_checksum_gen_factory is null, and thus blob checksum is not
|
|
// verified for creating a new backup; no correction is detected
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
|
|
// Enable file checksum in DB manifest
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kNoShare);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random blob file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kBlobFile));
|
|
|
|
// file checksum is enabled so we should be able to detect any
|
|
// corruption
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
#if !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
// Test if BackupEngine will fail to create new backup if some table has been
|
|
// corrupted and the table file checksum is stored in the DB manifest for the
|
|
// case when backup table files will be stored in a shared directory
|
|
TEST_P(BackupEngineTestWithParam, TableFileCorruptedBeforeBackup) {
|
|
const int keys_iteration = 50000;
|
|
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random table file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kTableFile));
|
|
// cannot detect corruption since DB manifest has no table checksums
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
|
|
// Enable table checksums in DB manifest
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random table file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kTableFile));
|
|
// corruption is detected
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// Test if BackupEngine will fail to create new backup if some blob files have
|
|
// been corrupted and the blob file checksum is stored in the DB manifest for
|
|
// the case when backup blob files will be stored in a shared directory
|
|
TEST_P(BackupEngineTestWithParam, BlobFileCorruptedBeforeBackup) {
|
|
const int keys_iteration = 50000;
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random blob file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kBlobFile));
|
|
// cannot detect corruption since DB manifest has no blob file checksums
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
|
|
// Enable blob file checksums in DB manifest
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
// corrupt a random blob file in the DB directory
|
|
ASSERT_OK(CorruptRandomDataFileInDB(kBlobFile));
|
|
// corruption is detected
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
#endif // !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
|
|
TEST_F(BackupEngineTest, TableFileWithoutDbChecksumCorruptedDuringBackup) {
|
|
const int keys_iteration = 50000;
|
|
engine_options_->share_files_with_checksum_naming = kLegacyCrc32cAndFileSize;
|
|
// When share_files_with_checksum is on, we calculate checksums of table
|
|
// files before and after copying. So we can test whether a corruption has
|
|
// happened during the file is copied to backup directory.
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum);
|
|
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
std::atomic<bool> corrupted{false};
|
|
// corrupt files when copying to the backup directory
|
|
SyncPoint::GetInstance()->SetCallBack(
|
|
"BackupEngineImpl::CopyOrCreateFile:CorruptionDuringBackup",
|
|
[&](void* data) {
|
|
if (data != nullptr) {
|
|
Slice* d = reinterpret_cast<Slice*>(data);
|
|
if (!d->empty()) {
|
|
d->remove_suffix(1);
|
|
corrupted = true;
|
|
}
|
|
}
|
|
});
|
|
SyncPoint::GetInstance()->EnableProcessing();
|
|
Status s = backup_engine_->CreateNewBackup(db_.get());
|
|
if (corrupted) {
|
|
ASSERT_NOK(s);
|
|
} else {
|
|
// should not in this path in normal cases
|
|
ASSERT_OK(s);
|
|
}
|
|
|
|
SyncPoint::GetInstance()->DisableProcessing();
|
|
SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
|
|
CloseDBAndBackupEngine();
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, TableFileWithDbChecksumCorruptedDuringBackup) {
|
|
const int keys_iteration = 50000;
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
for (auto& sopt : kAllShareOptions) {
|
|
// Since the default DB table file checksum is on, we obtain checksums of
|
|
// table files from the DB manifest before copying and verify it with the
|
|
// one calculated during copying.
|
|
// Therefore, we can test whether a corruption has happened during the file
|
|
// being copied to backup directory.
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */, sopt);
|
|
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
|
|
// corrupt files when copying to the backup directory
|
|
SyncPoint::GetInstance()->SetCallBack(
|
|
"BackupEngineImpl::CopyOrCreateFile:CorruptionDuringBackup",
|
|
[&](void* data) {
|
|
if (data != nullptr) {
|
|
Slice* d = reinterpret_cast<Slice*>(data);
|
|
if (!d->empty()) {
|
|
d->remove_suffix(1);
|
|
}
|
|
}
|
|
});
|
|
SyncPoint::GetInstance()->EnableProcessing();
|
|
// The only case that we can't detect a corruption is when the file
|
|
// being backed up is empty. But as keys_iteration is large, such
|
|
// a case shouldn't have happened and we should be able to detect
|
|
// the corruption.
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
SyncPoint::GetInstance()->DisableProcessing();
|
|
SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
|
|
CloseDBAndBackupEngine();
|
|
// delete old files in db
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
}
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, InterruptCreationTest) {
|
|
// Interrupt backup creation by failing new writes and failing cleanup of the
|
|
// partial state. Then verify a subsequent backup can still succeed.
|
|
const int keys_iteration = 5000;
|
|
Random rnd(6);
|
|
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
test_backup_fs_->SetLimitWrittenFiles(2);
|
|
test_backup_fs_->SetDeleteFileFailure(true);
|
|
// should fail creation
|
|
ASSERT_NOK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
CloseDBAndBackupEngine();
|
|
// should also fail cleanup so the tmp directory stays behind
|
|
ASSERT_OK(backup_chroot_env_->FileExists(backupdir_ + "/private/1/"));
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */);
|
|
test_backup_fs_->SetLimitWrittenFiles(1000000);
|
|
test_backup_fs_->SetDeleteFileFailure(false);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
// latest backup should have all the keys
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(0, 0, keys_iteration);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, FlushCompactDuringBackupCheckpoint) {
|
|
const int keys_iteration = 5000;
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
for (const auto& sopt : kAllShareOptions) {
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */, sopt);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
// That FillDB leaves a mix of flushed and unflushed data
|
|
SyncPoint::GetInstance()->LoadDependency(
|
|
{{"CheckpointImpl::CreateCustomCheckpoint:AfterGetLive1",
|
|
"BackupEngineTest::FlushCompactDuringBackupCheckpoint:Before"},
|
|
{"BackupEngineTest::FlushCompactDuringBackupCheckpoint:After",
|
|
"CheckpointImpl::CreateCustomCheckpoint:AfterGetLive2"}});
|
|
SyncPoint::GetInstance()->EnableProcessing();
|
|
ROCKSDB_NAMESPACE::port::Thread flush_thread{[this]() {
|
|
TEST_SYNC_POINT(
|
|
"BackupEngineTest::FlushCompactDuringBackupCheckpoint:Before");
|
|
FillDB(db_.get(), keys_iteration, 2 * keys_iteration);
|
|
ASSERT_OK(db_->Flush(FlushOptions()));
|
|
DBImpl* dbi = static_cast<DBImpl*>(db_.get());
|
|
ASSERT_OK(dbi->TEST_WaitForFlushMemTable());
|
|
ASSERT_OK(db_->CompactRange(CompactRangeOptions(), nullptr, nullptr));
|
|
ASSERT_OK(dbi->TEST_WaitForCompact());
|
|
TEST_SYNC_POINT(
|
|
"BackupEngineTest::FlushCompactDuringBackupCheckpoint:After");
|
|
}};
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
flush_thread.join();
|
|
CloseDBAndBackupEngine();
|
|
SyncPoint::GetInstance()->DisableProcessing();
|
|
SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
/* FIXME(peterd): reinstate with option for checksum in file names
|
|
if (sopt == kShareWithChecksum) {
|
|
// Ensure we actually got DB manifest checksums by inspecting
|
|
// shared_checksum file names for hex checksum component
|
|
TestRegex expected("[^_]+_[0-9A-F]{8}_[^_]+.sst");
|
|
std::vector<FileAttributes> children;
|
|
const std::string dir = backupdir_ + "/shared_checksum";
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(dir, &children));
|
|
for (const auto& child : children) {
|
|
if (child.size_bytes == 0) {
|
|
continue;
|
|
}
|
|
EXPECT_MATCHES_REGEX(child.name, expected);
|
|
}
|
|
}
|
|
*/
|
|
AssertBackupConsistency(0, 0, keys_iteration);
|
|
}
|
|
}
|
|
|
|
inline std::string OptionsPath(std::string ret, int backupID) {
|
|
ret += "/private/";
|
|
ret += std::to_string(backupID);
|
|
ret += "/";
|
|
return ret;
|
|
}
|
|
|
|
// Backup the LATEST options file to
|
|
// "<backup_dir>/private/<backup_id>/OPTIONS<number>"
|
|
|
|
TEST_F(BackupEngineTest, BackupOptions) {
|
|
OpenDBAndBackupEngine(true);
|
|
for (int i = 1; i < 5; i++) {
|
|
std::string name;
|
|
std::vector<std::string> filenames;
|
|
// Must reset() before reset(OpenDB()) again.
|
|
// Calling OpenDB() while *db_ is existing will cause LOCK issue
|
|
db_.reset();
|
|
db_.reset(OpenDB());
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
ASSERT_OK(ROCKSDB_NAMESPACE::GetLatestOptionsFileName(db_->GetName(),
|
|
options_.env, &name));
|
|
ASSERT_OK(file_manager_->FileExists(OptionsPath(backupdir_, i) + name));
|
|
ASSERT_OK(backup_chroot_env_->GetChildren(OptionsPath(backupdir_, i),
|
|
&filenames));
|
|
for (auto fn : filenames) {
|
|
if (fn.compare(0, 7, "OPTIONS") == 0) {
|
|
ASSERT_EQ(name, fn);
|
|
}
|
|
}
|
|
}
|
|
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, SetOptionsBackupRaceCondition) {
|
|
OpenDBAndBackupEngine(true);
|
|
SyncPoint::GetInstance()->LoadDependency(
|
|
{{"CheckpointImpl::CreateCheckpoint:SavedLiveFiles1",
|
|
"BackupEngineTest::SetOptionsBackupRaceCondition:BeforeSetOptions"},
|
|
{"BackupEngineTest::SetOptionsBackupRaceCondition:AfterSetOptions",
|
|
"CheckpointImpl::CreateCheckpoint:SavedLiveFiles2"}});
|
|
SyncPoint::GetInstance()->EnableProcessing();
|
|
ROCKSDB_NAMESPACE::port::Thread setoptions_thread{[this]() {
|
|
TEST_SYNC_POINT(
|
|
"BackupEngineTest::SetOptionsBackupRaceCondition:BeforeSetOptions");
|
|
DBImpl* dbi = static_cast<DBImpl*>(db_.get());
|
|
// Change arbitrary option to trigger OPTIONS file deletion
|
|
ASSERT_OK(dbi->SetOptions(dbi->DefaultColumnFamily(),
|
|
{{"paranoid_file_checks", "false"}}));
|
|
ASSERT_OK(dbi->SetOptions(dbi->DefaultColumnFamily(),
|
|
{{"paranoid_file_checks", "true"}}));
|
|
ASSERT_OK(dbi->SetOptions(dbi->DefaultColumnFamily(),
|
|
{{"paranoid_file_checks", "false"}}));
|
|
TEST_SYNC_POINT(
|
|
"BackupEngineTest::SetOptionsBackupRaceCondition:AfterSetOptions");
|
|
}};
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
setoptions_thread.join();
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
// This test verifies we don't delete the latest backup when read-only option is
|
|
// set
|
|
TEST_F(BackupEngineTest, NoDeleteWithReadOnly) {
|
|
const int keys_iteration = 5000;
|
|
Random rnd(6);
|
|
|
|
OpenDBAndBackupEngine(true);
|
|
// create five backups
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(rnd.Next() % 2)));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
ASSERT_OK(file_manager_->WriteToFile(latest_backup_, "4"));
|
|
|
|
engine_options_->destroy_old_data = false;
|
|
BackupEngineReadOnly* read_only_backup_engine;
|
|
ASSERT_OK(BackupEngineReadOnly::Open(
|
|
backup_chroot_env_.get(), *engine_options_, &read_only_backup_engine));
|
|
|
|
// assert that data from backup 5 is still here (even though LATEST_BACKUP
|
|
// says 4 is latest)
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/meta/5"));
|
|
ASSERT_OK(file_manager_->FileExists(backupdir_ + "/private/5"));
|
|
|
|
// Behavior change: We now ignore LATEST_BACKUP contents. This means that
|
|
// we should have 5 backups, even if LATEST_BACKUP says 4.
|
|
std::vector<BackupInfo> backup_info;
|
|
read_only_backup_engine->GetBackupInfo(&backup_info);
|
|
ASSERT_EQ(5UL, backup_info.size());
|
|
delete read_only_backup_engine;
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, FailOverwritingBackups) {
|
|
options_.write_buffer_size = 1024 * 1024 * 1024; // 1GB
|
|
options_.disable_auto_compactions = true;
|
|
|
|
// create backups 1, 2, 3, 4, 5
|
|
OpenDBAndBackupEngine(true);
|
|
for (int i = 0; i < 5; ++i) {
|
|
CloseDBAndBackupEngine();
|
|
DeleteLogFiles();
|
|
OpenDBAndBackupEngine(false);
|
|
FillDB(db_.get(), 100 * i, 100 * (i + 1), kFlushAll);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
// restore 3
|
|
OpenBackupEngine();
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(3, dbname_, dbname_));
|
|
CloseBackupEngine();
|
|
|
|
OpenDBAndBackupEngine(false);
|
|
// More data, bigger SST
|
|
FillDB(db_.get(), 1000, 1300, kFlushAll);
|
|
Status s = backup_engine_->CreateNewBackup(db_.get());
|
|
// the new backup fails because new table files
|
|
// clash with old table files from backups 4 and 5
|
|
// (since write_buffer_size is huge, we can be sure that
|
|
// each backup will generate only one sst file and that
|
|
// a file generated here would have the same name as an
|
|
// sst file generated by backup 4, and will be bigger)
|
|
ASSERT_TRUE(s.IsCorruption());
|
|
ASSERT_OK(backup_engine_->DeleteBackup(4));
|
|
ASSERT_OK(backup_engine_->DeleteBackup(5));
|
|
// now, the backup can succeed
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, NoShareTableFiles) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true, false, kNoShare);
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(i % 2)));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < 5; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * 6);
|
|
}
|
|
}
|
|
|
|
// Verify that you can backup and restore with share_files_with_checksum on
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksums) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), !!(i % 2)));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < 5; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * 6);
|
|
}
|
|
}
|
|
|
|
// Verify that you can backup and restore using share_files_with_checksum set to
|
|
// false and then transition this option to true
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksumsTransition) {
|
|
const int keys_iteration = 5000;
|
|
// set share_files_with_checksum to false
|
|
OpenDBAndBackupEngine(true, false, kShareNoChecksum);
|
|
for (int i = 0; i < 5; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < 5; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * 6);
|
|
}
|
|
|
|
// set share_files_with_checksum to true and do some more backups
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
for (int i = 5; i < 10; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify first (about to delete)
|
|
AssertBackupConsistency(1, 0, keys_iteration, keys_iteration * 11);
|
|
|
|
// For an extra challenge, make sure that GarbageCollect / DeleteBackup
|
|
// is OK even if we open without share_table_files
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false, kNoShare);
|
|
ASSERT_OK(backup_engine_->DeleteBackup(1));
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify rest (not deleted)
|
|
for (int i = 1; i < 10; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * 11);
|
|
}
|
|
}
|
|
|
|
// Verify backup and restore with various naming options, check names
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksumsNewNaming) {
|
|
ASSERT_TRUE(engine_options_->share_files_with_checksum_naming ==
|
|
kNamingDefault);
|
|
|
|
const int keys_iteration = 5000;
|
|
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseDBAndBackupEngine();
|
|
|
|
static const std::map<ShareFilesNaming, TestRegex> option_to_expected = {
|
|
{kLegacyCrc32cAndFileSize, "[0-9]+_[0-9]+_[0-9]+[.]sst"},
|
|
// kFlagIncludeFileSize redundant here
|
|
{kLegacyCrc32cAndFileSize | kFlagIncludeFileSize,
|
|
"[0-9]+_[0-9]+_[0-9]+[.]sst"},
|
|
{kUseDbSessionId, "[0-9]+_s[0-9A-Z]{20}[.]sst"},
|
|
{kUseDbSessionId | kFlagIncludeFileSize,
|
|
"[0-9]+_s[0-9A-Z]{20}_[0-9]+[.]sst"},
|
|
};
|
|
|
|
const TestRegex blobfile_pattern = "[0-9]+_[0-9]+_[0-9]+[.]blob";
|
|
|
|
for (const auto& pair : option_to_expected) {
|
|
CloseAndReopenDB();
|
|
engine_options_->share_files_with_checksum_naming = pair.first;
|
|
OpenBackupEngine(true /*destroy_old_data*/);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(1, 0, keys_iteration, keys_iteration * 2);
|
|
AssertDirectoryFilesMatchRegex(backupdir_ + "/shared_checksum", pair.second,
|
|
".sst", 1 /* minimum_count */);
|
|
if (std::string::npos != pair.second.GetPattern().find("_[0-9]+[.]sst")) {
|
|
AssertDirectoryFilesSizeIndicators(backupdir_ + "/shared_checksum",
|
|
1 /* minimum_count */);
|
|
}
|
|
|
|
AssertDirectoryFilesMatchRegex(backupdir_ + "/shared_checksum",
|
|
blobfile_pattern, ".blob",
|
|
1 /* minimum_count */);
|
|
}
|
|
}
|
|
|
|
// Mimic SST file generated by pre-6.12 releases and verify that
|
|
// old names are always used regardless of naming option.
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksumsOldFileNaming) {
|
|
const int keys_iteration = 5000;
|
|
|
|
// Pre-6.12 release did not include db id and db session id properties.
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"PropertyBlockBuilder::AddTableProperty:Start", [&](void* props_vs) {
|
|
auto props = static_cast<TableProperties*>(props_vs);
|
|
props->db_id = "";
|
|
props->db_session_id = "";
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Old names should always be used on old files
|
|
const TestRegex sstfile_pattern("[0-9]+_[0-9]+_[0-9]+[.]sst");
|
|
|
|
const TestRegex blobfile_pattern = "[0-9]+_[0-9]+_[0-9]+[.]blob";
|
|
|
|
for (ShareFilesNaming option : {kNamingDefault, kUseDbSessionId}) {
|
|
CloseAndReopenDB();
|
|
engine_options_->share_files_with_checksum_naming = option;
|
|
OpenBackupEngine(true /*destroy_old_data*/);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(1, 0, keys_iteration, keys_iteration * 2);
|
|
AssertDirectoryFilesMatchRegex(backupdir_ + "/shared_checksum",
|
|
sstfile_pattern, ".sst",
|
|
1 /* minimum_count */);
|
|
AssertDirectoryFilesMatchRegex(backupdir_ + "/shared_checksum",
|
|
blobfile_pattern, ".blob",
|
|
1 /* minimum_count */);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
}
|
|
|
|
// Test how naming options interact with detecting DB corruption
|
|
// between incremental backups
|
|
TEST_F(BackupEngineTest, TableFileCorruptionBeforeIncremental) {
|
|
const auto share_no_checksum = static_cast<ShareFilesNaming>(0);
|
|
|
|
for (bool corrupt_before_first_backup : {false, true}) {
|
|
for (ShareFilesNaming option :
|
|
{share_no_checksum, kLegacyCrc32cAndFileSize, kNamingDefault}) {
|
|
auto share =
|
|
option == share_no_checksum ? kShareNoChecksum : kShareWithChecksum;
|
|
if (option != share_no_checksum) {
|
|
engine_options_->share_files_with_checksum_naming = option;
|
|
}
|
|
OpenDBAndBackupEngine(true, false, share);
|
|
DBImpl* dbi = static_cast<DBImpl*>(db_.get());
|
|
// A small SST file
|
|
ASSERT_OK(dbi->Put(WriteOptions(), "x", "y"));
|
|
ASSERT_OK(dbi->Flush(FlushOptions()));
|
|
// And a bigger one
|
|
ASSERT_OK(dbi->Put(WriteOptions(), "y", Random(42).RandomString(500)));
|
|
ASSERT_OK(dbi->Flush(FlushOptions()));
|
|
ASSERT_OK(dbi->TEST_WaitForFlushMemTable());
|
|
CloseAndReopenDB(/*read_only*/ true);
|
|
|
|
std::vector<FileAttributes> table_files;
|
|
ASSERT_OK(GetDataFilesInDB(kTableFile, &table_files));
|
|
ASSERT_EQ(table_files.size(), 2);
|
|
std::string tf0 = dbname_ + "/" + table_files[0].name;
|
|
std::string tf1 = dbname_ + "/" + table_files[1].name;
|
|
|
|
CloseDBAndBackupEngine();
|
|
|
|
if (corrupt_before_first_backup) {
|
|
// This corrupts a data block, which does not cause DB open
|
|
// failure, only failure on accessing the block.
|
|
ASSERT_OK(db_file_manager_->CorruptFileStart(tf0));
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// if corrupt_before_first_backup, this undoes the initial corruption
|
|
ASSERT_OK(db_file_manager_->CorruptFileStart(tf0));
|
|
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
Status s = backup_engine_->CreateNewBackup(db_.get());
|
|
|
|
// Even though none of the naming options catch the inconsistency
|
|
// between the first and second time backing up fname, in the case
|
|
// of kUseDbSessionId (kNamingDefault), this is an intentional
|
|
// trade-off to avoid full scan of files from the DB that are
|
|
// already backed up. If we did the scan, kUseDbSessionId could catch
|
|
// the corruption. kLegacyCrc32cAndFileSize does the scan (to
|
|
// compute checksum for name) without catching the corruption,
|
|
// because the corruption means the names don't merge.
|
|
EXPECT_OK(s);
|
|
|
|
// VerifyBackup doesn't check DB integrity or table file internal
|
|
// checksums
|
|
EXPECT_OK(backup_engine_->VerifyBackup(1, true));
|
|
EXPECT_OK(backup_engine_->VerifyBackup(2, true));
|
|
|
|
db_.reset();
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(2, dbname_, dbname_));
|
|
{
|
|
DB* db = OpenDB();
|
|
s = db->VerifyChecksum();
|
|
delete db;
|
|
}
|
|
if (option != kLegacyCrc32cAndFileSize && !corrupt_before_first_backup) {
|
|
// Second backup is OK because it used (uncorrupt) file from first
|
|
// backup instead of (corrupt) file from DB.
|
|
// This is arguably a good trade-off vs. treating the file as distinct
|
|
// from the old version, because a file should be more likely to be
|
|
// corrupt as it ages. Although the backed-up file might also corrupt
|
|
// with age, the alternative approach (checksum in file name computed
|
|
// from current DB file contents) wouldn't detect that case at backup
|
|
// time either. Although you would have both copies of the file with
|
|
// the alternative approach, that would only last until the older
|
|
// backup is deleted.
|
|
ASSERT_OK(s);
|
|
} else if (option == kLegacyCrc32cAndFileSize &&
|
|
corrupt_before_first_backup) {
|
|
// Second backup is OK because it saved the updated (uncorrupt)
|
|
// file from DB, instead of the sharing with first backup.
|
|
// Recall: if corrupt_before_first_backup, [second CorruptFileStart]
|
|
// undoes the initial corruption.
|
|
// This is arguably a bad trade-off vs. sharing the old version of the
|
|
// file because a file should be more likely to corrupt as it ages.
|
|
// (Not likely that the previously backed-up version was already
|
|
// corrupt and the new version is non-corrupt. This approach doesn't
|
|
// help if backed-up version is corrupted after taking the backup.)
|
|
ASSERT_OK(s);
|
|
} else {
|
|
// Something is legitimately corrupted, but we can't be sure what
|
|
// with information available (TODO? unless one passes block checksum
|
|
// test and other doesn't. Probably better to use end-to-end full file
|
|
// checksum anyway.)
|
|
ASSERT_TRUE(s.IsCorruption());
|
|
}
|
|
|
|
CloseDBAndBackupEngine();
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test how naming options interact with detecting file size corruption
|
|
// between incremental backups
|
|
TEST_F(BackupEngineTest, FileSizeForIncremental) {
|
|
const auto share_no_checksum = static_cast<ShareFilesNaming>(0);
|
|
// TODO: enable blob files once Integrated BlobDB supports DB session id.
|
|
options_.enable_blob_files = false;
|
|
|
|
for (ShareFilesNaming option : {share_no_checksum, kLegacyCrc32cAndFileSize,
|
|
kNamingDefault, kUseDbSessionId}) {
|
|
auto share =
|
|
option == share_no_checksum ? kShareNoChecksum : kShareWithChecksum;
|
|
if (option != share_no_checksum) {
|
|
engine_options_->share_files_with_checksum_naming = option;
|
|
}
|
|
OpenDBAndBackupEngine(true, false, share);
|
|
|
|
std::vector<FileAttributes> children;
|
|
const std::string shared_dir =
|
|
backupdir_ +
|
|
(option == share_no_checksum ? "/shared" : "/shared_checksum");
|
|
|
|
// A single small SST file
|
|
ASSERT_OK(db_->Put(WriteOptions(), "x", "y"));
|
|
|
|
// First, test that we always detect file size corruption on the shared
|
|
// backup side on incremental. (Since sizes aren't really part of backup
|
|
// meta file, this works by querying the filesystem for the sizes.)
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true /*flush*/));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Corrupt backup SST file
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(shared_dir, &children));
|
|
ASSERT_EQ(children.size(), 1U); // one sst
|
|
for (const auto& child : children) {
|
|
if (child.name.size() > 4 && child.size_bytes > 0) {
|
|
ASSERT_OK(
|
|
file_manager_->WriteToFile(shared_dir + "/" + child.name, "asdf"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
Status s = backup_engine_->CreateNewBackup(db_.get());
|
|
EXPECT_TRUE(s.IsCorruption());
|
|
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(0));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Second, test that a hypothetical db session id collision would likely
|
|
// not suffice to corrupt a backup, because there's a good chance of
|
|
// file size difference (in this test, guaranteed) so either no name
|
|
// collision or detected collision.
|
|
|
|
// Create backup 1
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
// Even though we have "the same" DB state as backup 1, we need
|
|
// to restore to recreate the same conditions as later restore.
|
|
db_.reset();
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(1, dbname_, dbname_));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Forge session id
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"DBImpl::SetDbSessionId", [](void* sid_void_star) {
|
|
std::string* sid = static_cast<std::string*>(sid_void_star);
|
|
*sid = "01234567890123456789";
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
// Create another SST file
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
ASSERT_OK(db_->Put(WriteOptions(), "y", "x"));
|
|
|
|
// Create backup 2
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true /*flush*/));
|
|
|
|
// Restore backup 1 (again)
|
|
db_.reset();
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(1, dbname_, dbname_));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Create another SST file with same number and db session id, only bigger
|
|
OpenDBAndBackupEngine(false, false, share);
|
|
ASSERT_OK(db_->Put(WriteOptions(), "y", Random(42).RandomString(500)));
|
|
|
|
// Count backup SSTs files.
|
|
children.clear();
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(shared_dir, &children));
|
|
ASSERT_EQ(children.size(), 2U); // two sst files
|
|
|
|
// Try create backup 3
|
|
s = backup_engine_->CreateNewBackup(db_.get(), true /*flush*/);
|
|
|
|
// Re-count backup SSTs
|
|
children.clear();
|
|
ASSERT_OK(file_manager_->GetChildrenFileAttributes(shared_dir, &children));
|
|
|
|
if (option == kUseDbSessionId) {
|
|
// Acceptable to call it corruption if size is not in name and
|
|
// db session id collision is practically impossible.
|
|
EXPECT_TRUE(s.IsCorruption());
|
|
EXPECT_EQ(children.size(), 2U); // no SST file added
|
|
} else if (option == share_no_checksum) {
|
|
// Good to call it corruption if both backups cannot be
|
|
// accommodated.
|
|
EXPECT_TRUE(s.IsCorruption());
|
|
EXPECT_EQ(children.size(), 2U); // no SST file added
|
|
} else {
|
|
// Since opening a DB seems sufficient for detecting size corruption
|
|
// on the DB side, this should be a good thing, ...
|
|
EXPECT_OK(s);
|
|
// ... as long as we did actually treat it as a distinct SST file.
|
|
EXPECT_EQ(children.size(), 3U); // Another SST added
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
ASSERT_OK(DestroyDB(dbname_, options_));
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
}
|
|
}
|
|
|
|
// Verify backup and restore with share_files_with_checksum off and then
|
|
// transition this option to on and share_files_with_checksum_naming to be
|
|
// based on kUseDbSessionId
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksumsNewNamingTransition) {
|
|
const int keys_iteration = 5000;
|
|
// We may set share_files_with_checksum_naming to kLegacyCrc32cAndFileSize
|
|
// here but even if we don't, it should have no effect when
|
|
// share_files_with_checksum is false
|
|
ASSERT_TRUE(engine_options_->share_files_with_checksum_naming ==
|
|
kNamingDefault);
|
|
// set share_files_with_checksum to false
|
|
OpenDBAndBackupEngine(true, false, kShareNoChecksum);
|
|
int j = 3;
|
|
for (int i = 0; i < j; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < j; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * (j + 1));
|
|
}
|
|
|
|
// set share_files_with_checksum to true and do some more backups
|
|
// and use session id in the name of SST file backup
|
|
ASSERT_TRUE(engine_options_->share_files_with_checksum_naming ==
|
|
kNamingDefault);
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
FillDB(db_.get(), keys_iteration * j, keys_iteration * (j + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
// Use checksum in the name as well
|
|
++j;
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
FillDB(db_.get(), keys_iteration * j, keys_iteration * (j + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify first (about to delete)
|
|
AssertBackupConsistency(1, 0, keys_iteration, keys_iteration * (j + 1));
|
|
|
|
// For an extra challenge, make sure that GarbageCollect / DeleteBackup
|
|
// is OK even if we open without share_table_files but with
|
|
// share_files_with_checksum_naming based on kUseDbSessionId
|
|
ASSERT_TRUE(engine_options_->share_files_with_checksum_naming ==
|
|
kNamingDefault);
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false, kNoShare);
|
|
ASSERT_OK(backup_engine_->DeleteBackup(1));
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify second (about to delete)
|
|
AssertBackupConsistency(2, 0, keys_iteration * 2, keys_iteration * (j + 1));
|
|
|
|
// Use checksum and file size for backup table file names and open without
|
|
// share_table_files
|
|
// Again, make sure that GarbageCollect / DeleteBackup is OK
|
|
engine_options_->share_files_with_checksum_naming = kLegacyCrc32cAndFileSize;
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false, kNoShare);
|
|
ASSERT_OK(backup_engine_->DeleteBackup(2));
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify rest (not deleted)
|
|
for (int i = 2; i < j; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * (j + 1));
|
|
}
|
|
}
|
|
|
|
// Verify backup and restore with share_files_with_checksum on and transition
|
|
// from kLegacyCrc32cAndFileSize to kUseDbSessionId
|
|
TEST_F(BackupEngineTest, ShareTableFilesWithChecksumsNewNamingUpgrade) {
|
|
engine_options_->share_files_with_checksum_naming = kLegacyCrc32cAndFileSize;
|
|
const int keys_iteration = 5000;
|
|
// set share_files_with_checksum to true
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
int j = 3;
|
|
for (int i = 0; i < j; ++i) {
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < j; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * (j + 1));
|
|
}
|
|
|
|
engine_options_->share_files_with_checksum_naming = kUseDbSessionId;
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
FillDB(db_.get(), keys_iteration * j, keys_iteration * (j + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
++j;
|
|
options_.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
FillDB(db_.get(), keys_iteration * j, keys_iteration * (j + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify first (about to delete)
|
|
AssertBackupConsistency(1, 0, keys_iteration, keys_iteration * (j + 1));
|
|
|
|
// For an extra challenge, make sure that GarbageCollect / DeleteBackup
|
|
// is OK even if we open without share_table_files
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false, kNoShare);
|
|
ASSERT_OK(backup_engine_->DeleteBackup(1));
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify second (about to delete)
|
|
AssertBackupConsistency(2, 0, keys_iteration * 2, keys_iteration * (j + 1));
|
|
|
|
// Use checksum and file size for backup table file names and open without
|
|
// share_table_files
|
|
// Again, make sure that GarbageCollect / DeleteBackup is OK
|
|
engine_options_->share_files_with_checksum_naming = kLegacyCrc32cAndFileSize;
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false, kNoShare);
|
|
ASSERT_OK(backup_engine_->DeleteBackup(2));
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Verify rest (not deleted)
|
|
for (int i = 2; i < j; ++i) {
|
|
AssertBackupConsistency(i + 1, 0, keys_iteration * (i + 1),
|
|
keys_iteration * (j + 1));
|
|
}
|
|
}
|
|
|
|
// This test simulates cleaning up after aborted or incomplete creation
|
|
// of a new backup.
|
|
TEST_F(BackupEngineTest, DeleteTmpFiles) {
|
|
for (int cleanup_fn : {1, 2, 3, 4}) {
|
|
for (ShareOption shared_option : kAllShareOptions) {
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false /* dummy */,
|
|
shared_option);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
BackupID next_id = 1;
|
|
BackupID oldest_id = std::numeric_limits<BackupID>::max();
|
|
{
|
|
std::vector<BackupInfo> backup_info;
|
|
backup_engine_->GetBackupInfo(&backup_info);
|
|
for (const auto& bi : backup_info) {
|
|
next_id = std::max(next_id, bi.backup_id + 1);
|
|
oldest_id = std::min(oldest_id, bi.backup_id);
|
|
}
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
// An aborted or incomplete new backup will always be in the next
|
|
// id (maybe more)
|
|
std::string next_private = "private/" + std::to_string(next_id);
|
|
|
|
// NOTE: both shared and shared_checksum should be cleaned up
|
|
// regardless of how the backup engine is opened.
|
|
std::vector<std::string> tmp_files_and_dirs;
|
|
for (const auto& dir_and_file : {
|
|
std::make_pair(std::string("shared"),
|
|
std::string(".00006.sst.tmp")),
|
|
std::make_pair(std::string("shared_checksum"),
|
|
std::string(".00007.sst.tmp")),
|
|
std::make_pair(next_private, std::string("00003.sst")),
|
|
}) {
|
|
std::string dir = backupdir_ + "/" + dir_and_file.first;
|
|
ASSERT_OK(file_manager_->CreateDirIfMissing(dir));
|
|
ASSERT_OK(file_manager_->FileExists(dir));
|
|
|
|
std::string file = dir + "/" + dir_and_file.second;
|
|
ASSERT_OK(file_manager_->WriteToFile(file, "tmp"));
|
|
ASSERT_OK(file_manager_->FileExists(file));
|
|
|
|
tmp_files_and_dirs.push_back(file);
|
|
}
|
|
if (cleanup_fn != /*CreateNewBackup*/ 4) {
|
|
// This exists after CreateNewBackup because it's deleted then
|
|
// re-created.
|
|
tmp_files_and_dirs.push_back(backupdir_ + "/" + next_private);
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false /* dummy */,
|
|
shared_option);
|
|
// Need to call one of these explicitly to delete tmp files
|
|
switch (cleanup_fn) {
|
|
case 1:
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
break;
|
|
case 2:
|
|
ASSERT_OK(backup_engine_->DeleteBackup(oldest_id));
|
|
break;
|
|
case 3:
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(1));
|
|
break;
|
|
case 4:
|
|
// Does a garbage collect if it sees that next private dir exists
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
for (std::string file_or_dir : tmp_files_and_dirs) {
|
|
if (file_manager_->FileExists(file_or_dir) != Status::NotFound()) {
|
|
FAIL() << file_or_dir << " was expected to be deleted." << cleanup_fn;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, KeepLogFiles) {
|
|
engine_options_->backup_log_files = false;
|
|
// basically infinite
|
|
options_.WAL_ttl_seconds = 24 * 60 * 60;
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100, kFlushAll);
|
|
FillDB(db_.get(), 100, 200, kFlushAll);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), false));
|
|
FillDB(db_.get(), 200, 300, kFlushAll);
|
|
FillDB(db_.get(), 300, 400, kFlushAll);
|
|
FillDB(db_.get(), 400, 500, kFlushAll);
|
|
CloseDBAndBackupEngine();
|
|
|
|
// all data should be there if we call with keep_log_files = true
|
|
AssertBackupConsistency(0, 0, 500, 600, true);
|
|
}
|
|
|
|
#if !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
class BackupEngineRateLimitingTestWithParam
|
|
: public BackupEngineTest,
|
|
public testing::WithParamInterface<
|
|
std::tuple<bool /* make throttle */,
|
|
int /* 0 = single threaded, 1 = multi threaded*/,
|
|
std::pair<uint64_t, uint64_t> /* limits */>> {
|
|
public:
|
|
BackupEngineRateLimitingTestWithParam() {}
|
|
};
|
|
|
|
uint64_t const MB = 1024 * 1024;
|
|
|
|
INSTANTIATE_TEST_CASE_P(
|
|
RateLimiting, BackupEngineRateLimitingTestWithParam,
|
|
::testing::Values(std::make_tuple(false, 0, std::make_pair(1 * MB, 5 * MB)),
|
|
std::make_tuple(false, 0, std::make_pair(2 * MB, 3 * MB)),
|
|
std::make_tuple(false, 1, std::make_pair(1 * MB, 5 * MB)),
|
|
std::make_tuple(false, 1, std::make_pair(2 * MB, 3 * MB)),
|
|
std::make_tuple(true, 0, std::make_pair(1 * MB, 5 * MB)),
|
|
std::make_tuple(true, 0, std::make_pair(2 * MB, 3 * MB)),
|
|
std::make_tuple(true, 1, std::make_pair(1 * MB, 5 * MB)),
|
|
std::make_tuple(true, 1,
|
|
std::make_pair(2 * MB, 3 * MB))));
|
|
|
|
TEST_P(BackupEngineRateLimitingTestWithParam, RateLimiting) {
|
|
size_t const kMicrosPerSec = 1000 * 1000LL;
|
|
|
|
std::shared_ptr<RateLimiter> backupThrottler(NewGenericRateLimiter(1));
|
|
std::shared_ptr<RateLimiter> restoreThrottler(NewGenericRateLimiter(1));
|
|
|
|
bool makeThrottler = std::get<0>(GetParam());
|
|
if (makeThrottler) {
|
|
engine_options_->backup_rate_limiter = backupThrottler;
|
|
engine_options_->restore_rate_limiter = restoreThrottler;
|
|
}
|
|
|
|
// iter 0 -- single threaded
|
|
// iter 1 -- multi threaded
|
|
int iter = std::get<1>(GetParam());
|
|
const std::pair<uint64_t, uint64_t> limit = std::get<2>(GetParam());
|
|
|
|
// destroy old data
|
|
DestroyDB(dbname_, Options());
|
|
if (makeThrottler) {
|
|
backupThrottler->SetBytesPerSecond(limit.first);
|
|
restoreThrottler->SetBytesPerSecond(limit.second);
|
|
} else {
|
|
engine_options_->backup_rate_limit = limit.first;
|
|
engine_options_->restore_rate_limit = limit.second;
|
|
}
|
|
engine_options_->max_background_operations = (iter == 0) ? 1 : 10;
|
|
options_.compression = kNoCompression;
|
|
OpenDBAndBackupEngine(true);
|
|
size_t bytes_written = FillDB(db_.get(), 0, 100000);
|
|
|
|
auto start_backup = db_chroot_env_->NowMicros();
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), false));
|
|
auto backup_time = db_chroot_env_->NowMicros() - start_backup;
|
|
auto rate_limited_backup_time = (bytes_written * kMicrosPerSec) / limit.first;
|
|
ASSERT_GT(backup_time, 0.8 * rate_limited_backup_time);
|
|
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenBackupEngine();
|
|
auto start_restore = db_chroot_env_->NowMicros();
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_));
|
|
auto restore_time = db_chroot_env_->NowMicros() - start_restore;
|
|
CloseBackupEngine();
|
|
auto rate_limited_restore_time =
|
|
(bytes_written * kMicrosPerSec) / limit.second;
|
|
ASSERT_GT(restore_time, 0.8 * rate_limited_restore_time);
|
|
|
|
AssertBackupConsistency(0, 0, 100000, 100010);
|
|
}
|
|
|
|
TEST_P(BackupEngineRateLimitingTestWithParam, RateLimitingVerifyBackup) {
|
|
const std::size_t kMicrosPerSec = 1000 * 1000LL;
|
|
std::shared_ptr<RateLimiter> backupThrottler(NewGenericRateLimiter(
|
|
1, 100 * 1000 /* refill_period_us */, 10 /* fairness */,
|
|
RateLimiter::Mode::kAllIo /* mode */));
|
|
|
|
bool makeThrottler = std::get<0>(GetParam());
|
|
if (makeThrottler) {
|
|
engine_options_->backup_rate_limiter = backupThrottler;
|
|
}
|
|
|
|
bool is_single_threaded = std::get<1>(GetParam()) == 0 ? true : false;
|
|
engine_options_->max_background_operations = is_single_threaded ? 1 : 10;
|
|
|
|
const std::uint64_t backup_rate_limiter_limit = std::get<2>(GetParam()).first;
|
|
if (makeThrottler) {
|
|
engine_options_->backup_rate_limiter->SetBytesPerSecond(
|
|
backup_rate_limiter_limit);
|
|
} else {
|
|
engine_options_->backup_rate_limit = backup_rate_limiter_limit;
|
|
}
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, 100000);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
|
|
std::vector<BackupInfo> backup_infos;
|
|
BackupInfo backup_info;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(1, backup_infos.size());
|
|
const int backup_id = 1;
|
|
ASSERT_EQ(backup_id, backup_infos[0].backup_id);
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(backup_id, &backup_info,
|
|
true /* include_file_details */));
|
|
|
|
std::uint64_t bytes_read_during_verify_backup = 0;
|
|
for (BackupFileInfo backup_file_info : backup_info.file_details) {
|
|
bytes_read_during_verify_backup += backup_file_info.size;
|
|
}
|
|
|
|
auto start_verify_backup = db_chroot_env_->NowMicros();
|
|
ASSERT_OK(
|
|
backup_engine_->VerifyBackup(backup_id, true /* verify_with_checksum */));
|
|
auto verify_backup_time = db_chroot_env_->NowMicros() - start_verify_backup;
|
|
auto rate_limited_verify_backup_time =
|
|
(bytes_read_during_verify_backup * kMicrosPerSec) /
|
|
backup_rate_limiter_limit;
|
|
|
|
if (makeThrottler) {
|
|
EXPECT_GE(verify_backup_time, 0.8 * rate_limited_verify_backup_time);
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(backup_id, 0, 100000, 100010);
|
|
DestroyDB(dbname_, Options());
|
|
}
|
|
|
|
TEST_P(BackupEngineRateLimitingTestWithParam, RateLimitingChargeReadInBackup) {
|
|
bool is_single_threaded = std::get<1>(GetParam()) == 0 ? true : false;
|
|
engine_options_->max_background_operations = is_single_threaded ? 1 : 10;
|
|
|
|
const std::uint64_t backup_rate_limiter_limit = std::get<2>(GetParam()).first;
|
|
std::shared_ptr<RateLimiter> backup_rate_limiter(NewGenericRateLimiter(
|
|
backup_rate_limiter_limit, 100 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kWritesOnly /* mode */));
|
|
engine_options_->backup_rate_limiter = backup_rate_limiter;
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum /* shared_option */);
|
|
FillDB(db_.get(), 0, 10);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
std::int64_t total_bytes_through_with_no_read_charged =
|
|
backup_rate_limiter->GetTotalBytesThrough();
|
|
CloseBackupEngine();
|
|
|
|
backup_rate_limiter.reset(NewGenericRateLimiter(
|
|
backup_rate_limiter_limit, 100 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kAllIo /* mode */));
|
|
engine_options_->backup_rate_limiter = backup_rate_limiter;
|
|
|
|
OpenBackupEngine(true);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
std::int64_t total_bytes_through_with_read_charged =
|
|
backup_rate_limiter->GetTotalBytesThrough();
|
|
EXPECT_GT(total_bytes_through_with_read_charged,
|
|
total_bytes_through_with_no_read_charged);
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(1, 0, 10, 20);
|
|
DestroyDB(dbname_, Options());
|
|
}
|
|
|
|
TEST_P(BackupEngineRateLimitingTestWithParam, RateLimitingChargeReadInRestore) {
|
|
bool is_single_threaded = std::get<1>(GetParam()) == 0 ? true : false;
|
|
engine_options_->max_background_operations = is_single_threaded ? 1 : 10;
|
|
|
|
const std::uint64_t restore_rate_limiter_limit =
|
|
std::get<2>(GetParam()).second;
|
|
std::shared_ptr<RateLimiter> restore_rate_limiter(NewGenericRateLimiter(
|
|
restore_rate_limiter_limit, 100 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kWritesOnly /* mode */));
|
|
engine_options_->restore_rate_limiter = restore_rate_limiter;
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, 10);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, Options());
|
|
|
|
OpenBackupEngine(false /* destroy_old_data */);
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_));
|
|
std::int64_t total_bytes_through_with_no_read_charged =
|
|
restore_rate_limiter->GetTotalBytesThrough();
|
|
CloseBackupEngine();
|
|
DestroyDB(dbname_, Options());
|
|
|
|
restore_rate_limiter.reset(NewGenericRateLimiter(
|
|
restore_rate_limiter_limit, 100 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kAllIo /* mode */));
|
|
engine_options_->restore_rate_limiter = restore_rate_limiter;
|
|
|
|
OpenBackupEngine(false /* destroy_old_data */);
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_));
|
|
std::int64_t total_bytes_through_with_read_charged =
|
|
restore_rate_limiter->GetTotalBytesThrough();
|
|
EXPECT_EQ(total_bytes_through_with_read_charged,
|
|
total_bytes_through_with_no_read_charged * 2);
|
|
CloseBackupEngine();
|
|
AssertBackupConsistency(1, 0, 10, 20);
|
|
DestroyDB(dbname_, Options());
|
|
}
|
|
|
|
TEST_P(BackupEngineRateLimitingTestWithParam,
|
|
RateLimitingChargeReadInInitialize) {
|
|
bool is_single_threaded = std::get<1>(GetParam()) == 0 ? true : false;
|
|
engine_options_->max_background_operations = is_single_threaded ? 1 : 10;
|
|
|
|
const std::uint64_t backup_rate_limiter_limit = std::get<2>(GetParam()).first;
|
|
std::shared_ptr<RateLimiter> backup_rate_limiter(NewGenericRateLimiter(
|
|
backup_rate_limiter_limit, 100 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kAllIo /* mode */));
|
|
engine_options_->backup_rate_limiter = backup_rate_limiter;
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
FillDB(db_.get(), 0, 10);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(1, 0, 10, 20);
|
|
|
|
std::int64_t total_bytes_through_before_initialize =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */);
|
|
// We charge read in BackupEngineImpl::BackupMeta::LoadFromFile,
|
|
// which is called in BackupEngineImpl::Initialize() during
|
|
// OpenBackupEngine(false)
|
|
EXPECT_GT(engine_options_->backup_rate_limiter->GetTotalBytesThrough(),
|
|
total_bytes_through_before_initialize);
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, Options());
|
|
}
|
|
|
|
class BackupEngineRateLimitingTestWithParam2
|
|
: public BackupEngineTest,
|
|
public testing::WithParamInterface<
|
|
std::tuple<std::pair<uint64_t, uint64_t> /* limits */>> {
|
|
public:
|
|
BackupEngineRateLimitingTestWithParam2() {}
|
|
};
|
|
|
|
INSTANTIATE_TEST_CASE_P(
|
|
LowRefillBytesPerPeriod, BackupEngineRateLimitingTestWithParam2,
|
|
::testing::Values(std::make_tuple(std::make_pair(1, 1))));
|
|
// To verify we don't request over-sized bytes relative to
|
|
// refill_bytes_per_period_ in each RateLimiter::Request() called in
|
|
// BackupEngine through verifying we don't trigger assertion
|
|
// failure on over-sized request in GenericRateLimiter in debug builds
|
|
TEST_P(BackupEngineRateLimitingTestWithParam2,
|
|
RateLimitingWithLowRefillBytesPerPeriod) {
|
|
SpecialEnv special_env(Env::Default(), /*time_elapse_only_sleep*/ true);
|
|
|
|
engine_options_->max_background_operations = 1;
|
|
const uint64_t backup_rate_limiter_limit = std::get<0>(GetParam()).first;
|
|
std::shared_ptr<RateLimiter> backup_rate_limiter(
|
|
std::make_shared<GenericRateLimiter>(
|
|
backup_rate_limiter_limit, 1000 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kAllIo /* mode */,
|
|
special_env.GetSystemClock(), false /* auto_tuned */));
|
|
|
|
engine_options_->backup_rate_limiter = backup_rate_limiter;
|
|
|
|
const uint64_t restore_rate_limiter_limit = std::get<0>(GetParam()).second;
|
|
std::shared_ptr<RateLimiter> restore_rate_limiter(
|
|
std::make_shared<GenericRateLimiter>(
|
|
restore_rate_limiter_limit, 1000 * 1000 /* refill_period_us */,
|
|
10 /* fairness */, RateLimiter::Mode::kAllIo /* mode */,
|
|
special_env.GetSystemClock(), false /* auto_tuned */));
|
|
|
|
engine_options_->restore_rate_limiter = restore_rate_limiter;
|
|
|
|
// Rate limiter uses `CondVar::TimedWait()`, which does not have access to the
|
|
// `Env` to advance its time according to the fake wait duration. The
|
|
// workaround is to install a callback that advance the `Env`'s mock time.
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"GenericRateLimiter::Request:PostTimedWait", [&](void* arg) {
|
|
int64_t time_waited_us = *static_cast<int64_t*>(arg);
|
|
special_env.SleepForMicroseconds(static_cast<int>(time_waited_us));
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum /* shared_option */);
|
|
|
|
FillDB(db_.get(), 0, 100);
|
|
int64_t total_bytes_through_before_backup =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
EXPECT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
int64_t total_bytes_through_after_backup =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
ASSERT_GT(total_bytes_through_after_backup,
|
|
total_bytes_through_before_backup);
|
|
|
|
std::vector<BackupInfo> backup_infos;
|
|
BackupInfo backup_info;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(1, backup_infos.size());
|
|
const int backup_id = 1;
|
|
ASSERT_EQ(backup_id, backup_infos[0].backup_id);
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(backup_id, &backup_info,
|
|
true /* include_file_details */));
|
|
int64_t total_bytes_through_before_verify_backup =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
EXPECT_OK(
|
|
backup_engine_->VerifyBackup(backup_id, true /* verify_with_checksum */));
|
|
int64_t total_bytes_through_after_verify_backup =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
ASSERT_GT(total_bytes_through_after_verify_backup,
|
|
total_bytes_through_before_verify_backup);
|
|
|
|
CloseDBAndBackupEngine();
|
|
AssertBackupConsistency(backup_id, 0, 100, 101);
|
|
|
|
int64_t total_bytes_through_before_initialize =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */);
|
|
// We charge read in BackupEngineImpl::BackupMeta::LoadFromFile,
|
|
// which is called in BackupEngineImpl::Initialize() during
|
|
// OpenBackupEngine(false)
|
|
int64_t total_bytes_through_after_initialize =
|
|
engine_options_->backup_rate_limiter->GetTotalBytesThrough();
|
|
ASSERT_GT(total_bytes_through_after_initialize,
|
|
total_bytes_through_before_initialize);
|
|
CloseDBAndBackupEngine();
|
|
|
|
DestroyDB(dbname_, Options());
|
|
OpenBackupEngine(false /* destroy_old_data */);
|
|
int64_t total_bytes_through_before_restore =
|
|
engine_options_->restore_rate_limiter->GetTotalBytesThrough();
|
|
EXPECT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_));
|
|
int64_t total_bytes_through_after_restore =
|
|
engine_options_->restore_rate_limiter->GetTotalBytesThrough();
|
|
ASSERT_GT(total_bytes_through_after_restore,
|
|
total_bytes_through_before_restore);
|
|
CloseBackupEngine();
|
|
|
|
DestroyDB(dbname_, Options());
|
|
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearCallBack(
|
|
"GenericRateLimiter::Request:PostTimedWait");
|
|
}
|
|
|
|
#endif // !defined(ROCKSDB_VALGRIND_RUN) || defined(ROCKSDB_FULL_VALGRIND_RUN)
|
|
|
|
TEST_F(BackupEngineTest, ReadOnlyBackupEngine) {
|
|
DestroyDB(dbname_, options_);
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
FillDB(db_.get(), 100, 200);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
|
|
engine_options_->destroy_old_data = false;
|
|
test_backup_fs_->ClearWrittenFiles();
|
|
test_backup_fs_->SetLimitDeleteFiles(0);
|
|
BackupEngineReadOnly* read_only_backup_engine;
|
|
ASSERT_OK(BackupEngineReadOnly::Open(db_chroot_env_.get(), *engine_options_,
|
|
&read_only_backup_engine));
|
|
std::vector<BackupInfo> backup_info;
|
|
read_only_backup_engine->GetBackupInfo(&backup_info);
|
|
ASSERT_EQ(backup_info.size(), 2U);
|
|
|
|
RestoreOptions restore_options(false);
|
|
ASSERT_OK(read_only_backup_engine->RestoreDBFromLatestBackup(
|
|
dbname_, dbname_, restore_options));
|
|
delete read_only_backup_engine;
|
|
std::vector<std::string> should_have_written;
|
|
test_backup_fs_->AssertWrittenFiles(should_have_written);
|
|
|
|
DB* db = OpenDB();
|
|
AssertExists(db, 0, 200);
|
|
delete db;
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, OpenBackupAsReadOnlyDB) {
|
|
DestroyDB(dbname_, options_);
|
|
options_.write_dbid_to_manifest = false;
|
|
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), /*flush*/ false));
|
|
|
|
options_.write_dbid_to_manifest = true; // exercises some read-only DB code
|
|
CloseAndReopenDB();
|
|
|
|
FillDB(db_.get(), 100, 200);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), /*flush*/ false));
|
|
db_.reset(); // CloseDB
|
|
DestroyDB(dbname_, options_);
|
|
BackupInfo backup_info;
|
|
// First, check that we get empty fields without include_file_details
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(/*id*/ 1U, &backup_info,
|
|
/*with file details*/ false));
|
|
ASSERT_EQ(backup_info.name_for_open, "");
|
|
ASSERT_FALSE(backup_info.env_for_open);
|
|
|
|
// Now for the real test
|
|
backup_info = BackupInfo();
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(/*id*/ 1U, &backup_info,
|
|
/*with file details*/ true));
|
|
|
|
// Caution: DBOptions only holds a raw pointer to Env, so something else
|
|
// must keep it alive.
|
|
// Case 1: Keeping BackupEngine open suffices to keep Env alive
|
|
DB* db = nullptr;
|
|
Options opts = options_;
|
|
// Ensure some key defaults are set
|
|
opts.wal_dir = "";
|
|
opts.create_if_missing = false;
|
|
opts.info_log.reset();
|
|
|
|
opts.env = backup_info.env_for_open.get();
|
|
std::string name = backup_info.name_for_open;
|
|
backup_info = BackupInfo();
|
|
ASSERT_OK(DB::OpenForReadOnly(opts, name, &db));
|
|
|
|
AssertExists(db, 0, 100);
|
|
AssertEmpty(db, 100, 200);
|
|
|
|
delete db;
|
|
db = nullptr;
|
|
|
|
// Case 2: Keeping BackupInfo alive rather than BackupEngine also suffices
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(/*id*/ 2U, &backup_info,
|
|
/*with file details*/ true));
|
|
CloseBackupEngine();
|
|
opts.create_if_missing = true; // check also OK (though pointless)
|
|
opts.env = backup_info.env_for_open.get();
|
|
name = backup_info.name_for_open;
|
|
// Note: keeping backup_info alive
|
|
ASSERT_OK(DB::OpenForReadOnly(opts, name, &db));
|
|
|
|
AssertExists(db, 0, 200);
|
|
delete db;
|
|
db = nullptr;
|
|
|
|
// Now try opening read-write and make sure it fails, for safety.
|
|
ASSERT_TRUE(DB::Open(opts, name, &db).IsIOError());
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, ProgressCallbackDuringBackup) {
|
|
DestroyDB(dbname_, options_);
|
|
// Too big for this small DB
|
|
engine_options_->callback_trigger_interval_size = 100000;
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100);
|
|
bool is_callback_invoked = false;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(
|
|
db_.get(), true,
|
|
[&is_callback_invoked]() { is_callback_invoked = true; }));
|
|
ASSERT_FALSE(is_callback_invoked);
|
|
CloseBackupEngine();
|
|
|
|
// Easily small enough for this small DB
|
|
engine_options_->callback_trigger_interval_size = 1000;
|
|
OpenBackupEngine();
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(
|
|
db_.get(), true,
|
|
[&is_callback_invoked]() { is_callback_invoked = true; }));
|
|
ASSERT_TRUE(is_callback_invoked);
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, GarbageCollectionBeforeBackup) {
|
|
DestroyDB(dbname_, options_);
|
|
OpenDBAndBackupEngine(true);
|
|
|
|
ASSERT_OK(backup_chroot_env_->CreateDirIfMissing(backupdir_ + "/shared"));
|
|
std::string file_five = backupdir_ + "/shared/000009.sst";
|
|
std::string file_five_contents = "I'm not really a sst file";
|
|
// this depends on the fact that 00009.sst is the first file created by the DB
|
|
ASSERT_OK(file_manager_->WriteToFile(file_five, file_five_contents));
|
|
|
|
FillDB(db_.get(), 0, 100);
|
|
// backup overwrites file 000009.sst
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
|
|
std::string new_file_five_contents;
|
|
ASSERT_OK(ReadFileToString(backup_chroot_env_.get(), file_five,
|
|
&new_file_five_contents));
|
|
// file 000009.sst was overwritten
|
|
ASSERT_TRUE(new_file_five_contents != file_five_contents);
|
|
|
|
CloseDBAndBackupEngine();
|
|
|
|
AssertBackupConsistency(0, 0, 100);
|
|
}
|
|
|
|
// Test that we properly propagate Env failures
|
|
TEST_F(BackupEngineTest, EnvFailures) {
|
|
BackupEngine* backup_engine;
|
|
|
|
// get children failure
|
|
{
|
|
test_backup_fs_->SetGetChildrenFailure(true);
|
|
ASSERT_NOK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
test_backup_fs_->SetGetChildrenFailure(false);
|
|
}
|
|
|
|
// created dir failure
|
|
{
|
|
test_backup_fs_->SetCreateDirIfMissingFailure(true);
|
|
ASSERT_NOK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
test_backup_fs_->SetCreateDirIfMissingFailure(false);
|
|
}
|
|
|
|
// new directory failure
|
|
{
|
|
test_backup_fs_->SetNewDirectoryFailure(true);
|
|
ASSERT_NOK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
test_backup_fs_->SetNewDirectoryFailure(false);
|
|
}
|
|
|
|
// Read from meta-file failure
|
|
{
|
|
DestroyDB(dbname_, options_);
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
test_backup_fs_->SetDummySequentialFile(true);
|
|
test_backup_fs_->SetDummySequentialFileFailReads(true);
|
|
engine_options_->destroy_old_data = false;
|
|
ASSERT_NOK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
test_backup_fs_->SetDummySequentialFile(false);
|
|
test_backup_fs_->SetDummySequentialFileFailReads(false);
|
|
}
|
|
|
|
// no failure
|
|
{
|
|
ASSERT_OK(BackupEngine::Open(test_db_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
delete backup_engine;
|
|
}
|
|
}
|
|
|
|
// Verify manifest can roll while a backup is being created with the old
|
|
// manifest.
|
|
TEST_F(BackupEngineTest, ChangeManifestDuringBackupCreation) {
|
|
DestroyDB(dbname_, options_);
|
|
options_.max_manifest_file_size = 0; // always rollover manifest for file add
|
|
OpenDBAndBackupEngine(true);
|
|
FillDB(db_.get(), 0, 100, kAutoFlushOnly);
|
|
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->LoadDependency({
|
|
{"CheckpointImpl::CreateCheckpoint:SavedLiveFiles1",
|
|
"VersionSet::LogAndApply:WriteManifest"},
|
|
{"VersionSet::LogAndApply:WriteManifestDone",
|
|
"CheckpointImpl::CreateCheckpoint:SavedLiveFiles2"},
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
ROCKSDB_NAMESPACE::port::Thread flush_thread{
|
|
[this]() { ASSERT_OK(db_->Flush(FlushOptions())); }};
|
|
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), false));
|
|
|
|
flush_thread.join();
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
|
|
|
|
// The last manifest roll would've already been cleaned up by the full scan
|
|
// that happens when CreateNewBackup invokes EnableFileDeletions. We need to
|
|
// trigger another roll to verify non-full scan purges stale manifests.
|
|
DBImpl* db_impl = static_cast_with_check<DBImpl>(db_.get());
|
|
std::string prev_manifest_path =
|
|
DescriptorFileName(dbname_, db_impl->TEST_Current_Manifest_FileNo());
|
|
FillDB(db_.get(), 0, 100, kAutoFlushOnly);
|
|
ASSERT_OK(db_chroot_env_->FileExists(prev_manifest_path));
|
|
ASSERT_OK(db_->Flush(FlushOptions()));
|
|
// Even though manual flush completed above, the background thread may not
|
|
// have finished its cleanup work. `TEST_WaitForBackgroundWork()` will wait
|
|
// until all the background thread's work has completed, including cleanup.
|
|
ASSERT_OK(db_impl->TEST_WaitForBackgroundWork());
|
|
ASSERT_TRUE(db_chroot_env_->FileExists(prev_manifest_path).IsNotFound());
|
|
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
AssertBackupConsistency(0, 0, 100);
|
|
}
|
|
|
|
// see https://github.com/facebook/rocksdb/issues/921
|
|
TEST_F(BackupEngineTest, Issue921Test) {
|
|
BackupEngine* backup_engine;
|
|
engine_options_->share_table_files = false;
|
|
ASSERT_OK(
|
|
backup_chroot_env_->CreateDirIfMissing(engine_options_->backup_dir));
|
|
engine_options_->backup_dir += "/new_dir";
|
|
ASSERT_OK(BackupEngine::Open(backup_chroot_env_.get(), *engine_options_,
|
|
&backup_engine));
|
|
|
|
delete backup_engine;
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, BackupWithMetadata) {
|
|
const int keys_iteration = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
// create five backups
|
|
for (int i = 0; i < 5; ++i) {
|
|
const std::string metadata = std::to_string(i);
|
|
FillDB(db_.get(), keys_iteration * i, keys_iteration * (i + 1));
|
|
// Here also test CreateNewBackupWithMetadata with CreateBackupOptions
|
|
// and outputting saved BackupID.
|
|
CreateBackupOptions opts;
|
|
opts.flush_before_backup = true;
|
|
BackupID new_id = 0;
|
|
ASSERT_OK(backup_engine_->CreateNewBackupWithMetadata(opts, db_.get(),
|
|
metadata, &new_id));
|
|
ASSERT_EQ(new_id, static_cast<BackupID>(i + 1));
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
{ // Verify in bulk BackupInfo
|
|
std::vector<BackupInfo> backup_infos;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(5, backup_infos.size());
|
|
for (int i = 0; i < 5; i++) {
|
|
ASSERT_EQ(std::to_string(i), backup_infos[i].app_metadata);
|
|
}
|
|
}
|
|
// Also verify in individual BackupInfo
|
|
for (int i = 0; i < 5; i++) {
|
|
BackupInfo backup_info;
|
|
ASSERT_OK(backup_engine_->GetBackupInfo(static_cast<BackupID>(i + 1),
|
|
&backup_info));
|
|
ASSERT_EQ(std::to_string(i), backup_info.app_metadata);
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, BinaryMetadata) {
|
|
OpenDBAndBackupEngine(true);
|
|
std::string binaryMetadata = "abc\ndef";
|
|
binaryMetadata.push_back('\0');
|
|
binaryMetadata.append("ghi");
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), binaryMetadata));
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
std::vector<BackupInfo> backup_infos;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(1, backup_infos.size());
|
|
ASSERT_EQ(binaryMetadata, backup_infos[0].app_metadata);
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, MetadataTooLarge) {
|
|
OpenDBAndBackupEngine(true);
|
|
std::string largeMetadata(1024 * 1024 + 1, 0);
|
|
ASSERT_NOK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), largeMetadata));
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, MetaSchemaVersion2_SizeCorruption) {
|
|
engine_options_->schema_version = 1;
|
|
OpenDBAndBackupEngine(/*destroy_old_data*/ true);
|
|
|
|
// Backup 1: no future schema, no sizes, with checksums
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
CloseDBAndBackupEngine();
|
|
engine_options_->schema_version = 2;
|
|
OpenDBAndBackupEngine(/*destroy_old_data*/ false);
|
|
|
|
// Backup 2: no checksums, no sizes
|
|
TEST_BackupMetaSchemaOptions test_opts;
|
|
test_opts.crc32c_checksums = false;
|
|
test_opts.file_sizes = false;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
// Backup 3: no checksums, with sizes
|
|
test_opts.file_sizes = true;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
// Backup 4: with checksums and sizes
|
|
test_opts.crc32c_checksums = true;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Corrupt all the CURRENT files with the wrong size
|
|
const std::string private_dir = backupdir_ + "/private";
|
|
|
|
for (int id = 1; id <= 3; ++id) {
|
|
ASSERT_OK(file_manager_->WriteToFile(
|
|
private_dir + "/" + ToString(id) + "/CURRENT", "x"));
|
|
}
|
|
// Except corrupt Backup 4 with same size CURRENT file
|
|
{
|
|
uint64_t size = 0;
|
|
ASSERT_OK(test_backup_env_->GetFileSize(private_dir + "/4/CURRENT", &size));
|
|
ASSERT_OK(file_manager_->WriteToFile(private_dir + "/4/CURRENT",
|
|
std::string(size, 'x')));
|
|
}
|
|
|
|
OpenBackupEngine();
|
|
|
|
// Only the one with sizes in metadata will be immediately detected
|
|
// as corrupt
|
|
std::vector<BackupID> corrupted;
|
|
backup_engine_->GetCorruptedBackups(&corrupted);
|
|
ASSERT_EQ(corrupted.size(), 1);
|
|
ASSERT_EQ(corrupted[0], 3);
|
|
|
|
// Size corruption detected on Restore with checksum
|
|
ASSERT_TRUE(backup_engine_->RestoreDBFromBackup(1 /*id*/, dbname_, dbname_)
|
|
.IsCorruption());
|
|
|
|
// Size corruption not detected without checksums nor sizes
|
|
ASSERT_OK(backup_engine_->RestoreDBFromBackup(2 /*id*/, dbname_, dbname_));
|
|
|
|
// Non-size corruption detected on Restore with checksum
|
|
ASSERT_TRUE(backup_engine_->RestoreDBFromBackup(4 /*id*/, dbname_, dbname_)
|
|
.IsCorruption());
|
|
|
|
CloseBackupEngine();
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, MetaSchemaVersion2_NotSupported) {
|
|
engine_options_->schema_version = 2;
|
|
TEST_BackupMetaSchemaOptions test_opts;
|
|
std::string app_metadata = "abc\ndef";
|
|
|
|
OpenDBAndBackupEngine(true);
|
|
// Start with supported
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
|
|
// Because we are injecting badness with a TEST API, the badness is only
|
|
// detected on attempt to restore.
|
|
// Not supported versions
|
|
test_opts.version = "3";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
test_opts.version = "23.45.67";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
test_opts.version = "2";
|
|
|
|
// Non-ignorable fields
|
|
test_opts.meta_fields["ni::blah"] = "123";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
test_opts.meta_fields.clear();
|
|
|
|
test_opts.file_fields["ni::123"] = "xyz";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
test_opts.file_fields.clear();
|
|
|
|
test_opts.footer_fields["ni::123"] = "xyz";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(
|
|
backup_engine_->CreateNewBackupWithMetadata(db_.get(), app_metadata));
|
|
test_opts.footer_fields.clear();
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenBackupEngine();
|
|
std::vector<BackupID> corrupted;
|
|
backup_engine_->GetCorruptedBackups(&corrupted);
|
|
ASSERT_EQ(corrupted.size(), 5);
|
|
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(dbname_, dbname_));
|
|
CloseBackupEngine();
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, MetaSchemaVersion2_Restore) {
|
|
engine_options_->schema_version = 2;
|
|
TEST_BackupMetaSchemaOptions test_opts;
|
|
const int keys_iteration = 5000;
|
|
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
// Start with minimum metadata to ensure it works without it being filled
|
|
// based on shared files also in other backups with the metadata.
|
|
test_opts.crc32c_checksums = false;
|
|
test_opts.file_sizes = false;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
AssertBackupConsistency(1 /* id */, 0, keys_iteration, keys_iteration * 2);
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
test_opts.file_sizes = true;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int id = 1; id <= 2; ++id) {
|
|
AssertBackupConsistency(id, 0, keys_iteration, keys_iteration * 2);
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
test_opts.crc32c_checksums = true;
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int id = 1; id <= 3; ++id) {
|
|
AssertBackupConsistency(id, 0, keys_iteration, keys_iteration * 2);
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
// No TEST_EnableWriteFutureSchemaVersion2
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int id = 1; id <= 4; ++id) {
|
|
AssertBackupConsistency(id, 0, keys_iteration, keys_iteration * 2);
|
|
}
|
|
|
|
OpenDBAndBackupEngine(false /* destroy_old_data */, false,
|
|
kShareWithChecksum);
|
|
// Minor version updates should be forward-compatible
|
|
test_opts.version = "2.5.70";
|
|
test_opts.meta_fields["asdf.3456"] = "-42";
|
|
test_opts.meta_fields["__QRST"] = " 1 $ %%& ";
|
|
test_opts.file_fields["z94._"] = "^\\";
|
|
test_opts.file_fields["_7yyyyyyyyy"] = "111111111111";
|
|
test_opts.footer_fields["Qwzn.tz89"] = "ASDF!!@# ##=\t ";
|
|
test_opts.footer_fields["yes"] = "no!";
|
|
TEST_SetBackupMetaSchemaOptions(backup_engine_.get(), test_opts);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int id = 1; id <= 5; ++id) {
|
|
AssertBackupConsistency(id, 0, keys_iteration, keys_iteration * 2);
|
|
}
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, Concurrency) {
|
|
// Check that we can simultaneously:
|
|
// * Run several read operations in different threads on a single
|
|
// BackupEngine object, and
|
|
// * With another BackupEngine object on the same
|
|
// backup_dir, run the same read operations in another thread, and
|
|
// * With yet another BackupEngine object on the same
|
|
// backup_dir, create two new backups in parallel threads.
|
|
//
|
|
// Because of the challenges of integrating this into db_stress,
|
|
// this is a non-deterministic mini-stress test here instead.
|
|
|
|
// To check for a race condition in handling buffer size based on byte
|
|
// burst limit, we need a (generous) rate limiter
|
|
std::shared_ptr<RateLimiter> limiter{NewGenericRateLimiter(1000000000)};
|
|
engine_options_->backup_rate_limiter = limiter;
|
|
engine_options_->restore_rate_limiter = limiter;
|
|
|
|
OpenDBAndBackupEngine(true, false, kShareWithChecksum);
|
|
|
|
static constexpr int keys_iteration = 5000;
|
|
FillDB(db_.get(), 0, keys_iteration);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
FillDB(db_.get(), keys_iteration, 2 * keys_iteration);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
static constexpr int max_factor = 3;
|
|
FillDB(db_.get(), 2 * keys_iteration, max_factor * keys_iteration);
|
|
// will create another backup soon...
|
|
|
|
Options db_opts = options_;
|
|
db_opts.wal_dir = "";
|
|
db_opts.create_if_missing = false;
|
|
BackupEngineOptions be_opts = *engine_options_;
|
|
be_opts.destroy_old_data = false;
|
|
|
|
std::mt19937 rng{std::random_device()()};
|
|
|
|
std::array<std::thread, 4> read_threads;
|
|
std::array<std::thread, 4> restore_verify_threads;
|
|
for (uint32_t i = 0; i < read_threads.size(); ++i) {
|
|
uint32_t sleep_micros = rng() % 100000;
|
|
read_threads[i] =
|
|
std::thread([this, i, sleep_micros, &db_opts, &be_opts,
|
|
&restore_verify_threads, &limiter] {
|
|
test_db_env_->SleepForMicroseconds(sleep_micros);
|
|
|
|
// Whether to also re-open the BackupEngine, potentially seeing
|
|
// additional backups
|
|
bool reopen = i == 3;
|
|
// Whether we are going to restore "latest"
|
|
bool latest = i > 1;
|
|
|
|
BackupEngine* my_be;
|
|
if (reopen) {
|
|
ASSERT_OK(BackupEngine::Open(test_db_env_.get(), be_opts, &my_be));
|
|
} else {
|
|
my_be = backup_engine_.get();
|
|
}
|
|
|
|
// Verify metadata (we don't receive updates from concurrently
|
|
// creating a new backup)
|
|
std::vector<BackupInfo> infos;
|
|
my_be->GetBackupInfo(&infos);
|
|
const uint32_t count = static_cast<uint32_t>(infos.size());
|
|
infos.clear();
|
|
if (reopen) {
|
|
ASSERT_GE(count, 2U);
|
|
ASSERT_LE(count, 4U);
|
|
fprintf(stderr, "Reopen saw %u backups\n", count);
|
|
} else {
|
|
ASSERT_EQ(count, 2U);
|
|
}
|
|
std::vector<BackupID> ids;
|
|
my_be->GetCorruptedBackups(&ids);
|
|
ASSERT_EQ(ids.size(), 0U);
|
|
|
|
// (Eventually, see below) Restore one of the backups, or "latest"
|
|
std::string restore_db_dir = dbname_ + "/restore" + ToString(i);
|
|
DestroyDir(test_db_env_.get(), restore_db_dir).PermitUncheckedError();
|
|
BackupID to_restore;
|
|
if (latest) {
|
|
to_restore = count;
|
|
} else {
|
|
to_restore = i + 1;
|
|
}
|
|
|
|
// Open restored DB to verify its contents, but test atomic restore
|
|
// by doing it async and ensuring we either get OK or InvalidArgument
|
|
restore_verify_threads[i] =
|
|
std::thread([this, &db_opts, restore_db_dir, to_restore] {
|
|
DB* restored;
|
|
Status s;
|
|
for (;;) {
|
|
s = DB::Open(db_opts, restore_db_dir, &restored);
|
|
if (s.IsInvalidArgument()) {
|
|
// Restore hasn't finished
|
|
test_db_env_->SleepForMicroseconds(1000);
|
|
continue;
|
|
} else {
|
|
// We should only get InvalidArgument if restore is
|
|
// incomplete, or OK if complete
|
|
ASSERT_OK(s);
|
|
break;
|
|
}
|
|
}
|
|
int factor = std::min(static_cast<int>(to_restore), max_factor);
|
|
AssertExists(restored, 0, factor * keys_iteration);
|
|
AssertEmpty(restored, factor * keys_iteration,
|
|
(factor + 1) * keys_iteration);
|
|
delete restored;
|
|
});
|
|
|
|
// (Ok now) Restore one of the backups, or "latest"
|
|
if (latest) {
|
|
ASSERT_OK(my_be->RestoreDBFromLatestBackup(restore_db_dir,
|
|
restore_db_dir));
|
|
} else {
|
|
ASSERT_OK(my_be->VerifyBackup(to_restore, true));
|
|
ASSERT_OK(my_be->RestoreDBFromBackup(to_restore, restore_db_dir,
|
|
restore_db_dir));
|
|
}
|
|
|
|
// Test for race condition in reconfiguring limiter
|
|
// FIXME: this could set to a different value in all threads, except
|
|
// GenericRateLimiter::SetBytesPerSecond has a write-write race
|
|
// reported by TSAN
|
|
if (i == 0) {
|
|
limiter->SetBytesPerSecond(2000000000);
|
|
}
|
|
|
|
// Re-verify metadata (we don't receive updates from concurrently
|
|
// creating a new backup)
|
|
my_be->GetBackupInfo(&infos);
|
|
ASSERT_EQ(infos.size(), count);
|
|
my_be->GetCorruptedBackups(&ids);
|
|
ASSERT_EQ(ids.size(), 0);
|
|
// fprintf(stderr, "Finished read thread\n");
|
|
|
|
if (reopen) {
|
|
delete my_be;
|
|
}
|
|
});
|
|
}
|
|
|
|
BackupEngine* alt_be;
|
|
ASSERT_OK(BackupEngine::Open(test_db_env_.get(), be_opts, &alt_be));
|
|
|
|
std::array<std::thread, 2> append_threads;
|
|
for (unsigned i = 0; i < append_threads.size(); ++i) {
|
|
uint32_t sleep_micros = rng() % 100000;
|
|
append_threads[i] = std::thread([this, sleep_micros, alt_be] {
|
|
test_db_env_->SleepForMicroseconds(sleep_micros);
|
|
// WART: CreateNewBackup doesn't tell you the BackupID it just created,
|
|
// which is ugly for multithreaded setting.
|
|
// TODO: add delete backup also when that is added
|
|
ASSERT_OK(alt_be->CreateNewBackup(db_.get()));
|
|
// fprintf(stderr, "Finished append thread\n");
|
|
});
|
|
}
|
|
|
|
for (auto& t : append_threads) {
|
|
t.join();
|
|
}
|
|
// Verify metadata
|
|
std::vector<BackupInfo> infos;
|
|
alt_be->GetBackupInfo(&infos);
|
|
ASSERT_EQ(infos.size(), 2 + append_threads.size());
|
|
|
|
for (auto& t : read_threads) {
|
|
t.join();
|
|
}
|
|
|
|
delete alt_be;
|
|
|
|
for (auto& t : restore_verify_threads) {
|
|
t.join();
|
|
}
|
|
|
|
CloseDBAndBackupEngine();
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, LimitBackupsOpened) {
|
|
// Verify the specified max backups are opened, including skipping over
|
|
// corrupted backups.
|
|
//
|
|
// Setup:
|
|
// - backups 1, 2, and 4 are valid
|
|
// - backup 3 is corrupt
|
|
// - max_valid_backups_to_open == 2
|
|
//
|
|
// Expectation: the engine opens backups 4 and 2 since those are latest two
|
|
// non-corrupt backups.
|
|
const int kNumKeys = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
for (int i = 1; i <= 4; ++i) {
|
|
FillDB(db_.get(), kNumKeys * i, kNumKeys * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
if (i == 3) {
|
|
ASSERT_OK(file_manager_->CorruptFile(backupdir_ + "/meta/3", 3));
|
|
}
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
engine_options_->max_valid_backups_to_open = 2;
|
|
engine_options_->destroy_old_data = false;
|
|
BackupEngineReadOnly* read_only_backup_engine;
|
|
ASSERT_OK(BackupEngineReadOnly::Open(
|
|
backup_chroot_env_.get(), *engine_options_, &read_only_backup_engine));
|
|
|
|
std::vector<BackupInfo> backup_infos;
|
|
read_only_backup_engine->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(2, backup_infos.size());
|
|
ASSERT_EQ(2, backup_infos[0].backup_id);
|
|
ASSERT_EQ(4, backup_infos[1].backup_id);
|
|
delete read_only_backup_engine;
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, IgnoreLimitBackupsOpenedWhenNotReadOnly) {
|
|
// Verify the specified max_valid_backups_to_open is ignored if the engine
|
|
// is not read-only.
|
|
//
|
|
// Setup:
|
|
// - backups 1, 2, and 4 are valid
|
|
// - backup 3 is corrupt
|
|
// - max_valid_backups_to_open == 2
|
|
//
|
|
// Expectation: the engine opens backups 4, 2, and 1 since those are latest
|
|
// non-corrupt backups, by ignoring max_valid_backups_to_open == 2.
|
|
const int kNumKeys = 5000;
|
|
OpenDBAndBackupEngine(true);
|
|
for (int i = 1; i <= 4; ++i) {
|
|
FillDB(db_.get(), kNumKeys * i, kNumKeys * (i + 1));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
if (i == 3) {
|
|
ASSERT_OK(file_manager_->CorruptFile(backupdir_ + "/meta/3", 3));
|
|
}
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
engine_options_->max_valid_backups_to_open = 2;
|
|
OpenDBAndBackupEngine();
|
|
std::vector<BackupInfo> backup_infos;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(3, backup_infos.size());
|
|
ASSERT_EQ(1, backup_infos[0].backup_id);
|
|
ASSERT_EQ(2, backup_infos[1].backup_id);
|
|
ASSERT_EQ(4, backup_infos[2].backup_id);
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, CreateWhenLatestBackupCorrupted) {
|
|
// we should pick an ID greater than corrupted backups' IDs so creation can
|
|
// succeed even when latest backup is corrupted.
|
|
const int kNumKeys = 5000;
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
BackupInfo backup_info;
|
|
ASSERT_TRUE(backup_engine_->GetLatestBackupInfo(&backup_info).IsNotFound());
|
|
FillDB(db_.get(), 0 /* from */, kNumKeys);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
true /* flush_before_backup */));
|
|
ASSERT_OK(file_manager_->CorruptFile(backupdir_ + "/meta/1",
|
|
3 /* bytes_to_corrupt */));
|
|
CloseDBAndBackupEngine();
|
|
|
|
OpenDBAndBackupEngine();
|
|
ASSERT_TRUE(backup_engine_->GetLatestBackupInfo(&backup_info).IsNotFound());
|
|
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
true /* flush_before_backup */));
|
|
|
|
ASSERT_TRUE(backup_engine_->GetLatestBackupInfo(&backup_info).ok());
|
|
ASSERT_EQ(2, backup_info.backup_id);
|
|
|
|
std::vector<BackupInfo> backup_infos;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(1, backup_infos.size());
|
|
ASSERT_EQ(2, backup_infos[0].backup_id);
|
|
|
|
// Verify individual GetBackupInfo by ID
|
|
ASSERT_TRUE(backup_engine_->GetBackupInfo(0U, &backup_info).IsNotFound());
|
|
ASSERT_TRUE(backup_engine_->GetBackupInfo(1U, &backup_info).IsCorruption());
|
|
ASSERT_TRUE(backup_engine_->GetBackupInfo(2U, &backup_info).ok());
|
|
ASSERT_TRUE(backup_engine_->GetBackupInfo(3U, &backup_info).IsNotFound());
|
|
ASSERT_TRUE(
|
|
backup_engine_->GetBackupInfo(999999U, &backup_info).IsNotFound());
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, WriteOnlyEngineNoSharedFileDeletion) {
|
|
// Verifies a write-only BackupEngine does not delete files belonging to valid
|
|
// backups when GarbageCollect, PurgeOldBackups, or DeleteBackup are called.
|
|
const int kNumKeys = 5000;
|
|
for (int i = 0; i < 3; ++i) {
|
|
OpenDBAndBackupEngine(i == 0 /* destroy_old_data */);
|
|
FillDB(db_.get(), i * kNumKeys, (i + 1) * kNumKeys);
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(), true));
|
|
CloseDBAndBackupEngine();
|
|
|
|
engine_options_->max_valid_backups_to_open = 0;
|
|
OpenDBAndBackupEngine();
|
|
switch (i) {
|
|
case 0:
|
|
ASSERT_OK(backup_engine_->GarbageCollect());
|
|
break;
|
|
case 1:
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(1 /* num_backups_to_keep */));
|
|
break;
|
|
case 2:
|
|
ASSERT_OK(backup_engine_->DeleteBackup(2 /* backup_id */));
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
engine_options_->max_valid_backups_to_open = port::kMaxInt32;
|
|
AssertBackupConsistency(i + 1, 0, (i + 1) * kNumKeys);
|
|
}
|
|
}
|
|
|
|
TEST_P(BackupEngineTestWithParam, BackupUsingDirectIO) {
|
|
// Tests direct I/O on the backup engine's reads and writes on the DB env and
|
|
// backup env
|
|
// We use ChrootEnv underneath so the below line checks for direct I/O support
|
|
// in the chroot directory, not the true filesystem root.
|
|
if (!test::IsDirectIOSupported(test_db_env_.get(), "/")) {
|
|
ROCKSDB_GTEST_SKIP("Test requires Direct I/O Support");
|
|
return;
|
|
}
|
|
const int kNumKeysPerBackup = 100;
|
|
const int kNumBackups = 3;
|
|
options_.use_direct_reads = true;
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */);
|
|
for (int i = 0; i < kNumBackups; ++i) {
|
|
FillDB(db_.get(), i * kNumKeysPerBackup /* from */,
|
|
(i + 1) * kNumKeysPerBackup /* to */, kFlushAll);
|
|
|
|
// Clear the file open counters and then do a bunch of backup engine ops.
|
|
// For all ops, files should be opened in direct mode.
|
|
test_backup_fs_->ClearFileOpenCounters();
|
|
test_db_fs_->ClearFileOpenCounters();
|
|
CloseBackupEngine();
|
|
OpenBackupEngine();
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
ASSERT_OK(backup_engine_->VerifyBackup(i + 1));
|
|
CloseBackupEngine();
|
|
OpenBackupEngine();
|
|
std::vector<BackupInfo> backup_infos;
|
|
backup_engine_->GetBackupInfo(&backup_infos);
|
|
ASSERT_EQ(static_cast<size_t>(i + 1), backup_infos.size());
|
|
|
|
// Verify backup engine always opened files with direct I/O
|
|
ASSERT_EQ(0, test_db_fs_->num_writers());
|
|
ASSERT_GE(test_db_fs_->num_direct_rand_readers(), 0);
|
|
ASSERT_GT(test_db_fs_->num_direct_seq_readers(), 0);
|
|
// Currently the DB doesn't support reading WALs or manifest with direct
|
|
// I/O, so subtract two.
|
|
ASSERT_EQ(test_db_fs_->num_seq_readers() - 2,
|
|
test_db_fs_->num_direct_seq_readers());
|
|
ASSERT_EQ(test_db_fs_->num_rand_readers(),
|
|
test_db_fs_->num_direct_rand_readers());
|
|
}
|
|
CloseDBAndBackupEngine();
|
|
|
|
for (int i = 0; i < kNumBackups; ++i) {
|
|
AssertBackupConsistency(i + 1 /* backup_id */,
|
|
i * kNumKeysPerBackup /* start_exist */,
|
|
(i + 1) * kNumKeysPerBackup /* end_exist */,
|
|
(i + 2) * kNumKeysPerBackup /* end */);
|
|
}
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, BackgroundThreadCpuPriority) {
|
|
std::atomic<CpuPriority> priority(CpuPriority::kNormal);
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"BackupEngineImpl::Initialize:SetCpuPriority", [&](void* new_priority) {
|
|
priority.store(*reinterpret_cast<CpuPriority*>(new_priority));
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
|
|
// 1 thread is easier to test, otherwise, we may not be sure which thread
|
|
// actually does the work during CreateNewBackup.
|
|
engine_options_->max_background_operations = 1;
|
|
OpenDBAndBackupEngine(true);
|
|
|
|
{
|
|
FillDB(db_.get(), 0, 100);
|
|
|
|
// by default, cpu priority is not changed.
|
|
CreateBackupOptions options;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(options, db_.get()));
|
|
|
|
ASSERT_EQ(priority, CpuPriority::kNormal);
|
|
}
|
|
|
|
{
|
|
FillDB(db_.get(), 101, 200);
|
|
|
|
// decrease cpu priority from normal to low.
|
|
CreateBackupOptions options;
|
|
options.decrease_background_thread_cpu_priority = true;
|
|
options.background_thread_cpu_priority = CpuPriority::kLow;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(options, db_.get()));
|
|
|
|
ASSERT_EQ(priority, CpuPriority::kLow);
|
|
}
|
|
|
|
{
|
|
FillDB(db_.get(), 201, 300);
|
|
|
|
// try to upgrade cpu priority back to normal,
|
|
// the priority should still low.
|
|
CreateBackupOptions options;
|
|
options.decrease_background_thread_cpu_priority = true;
|
|
options.background_thread_cpu_priority = CpuPriority::kNormal;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(options, db_.get()));
|
|
|
|
ASSERT_EQ(priority, CpuPriority::kLow);
|
|
}
|
|
|
|
{
|
|
FillDB(db_.get(), 301, 400);
|
|
|
|
// decrease cpu priority from low to idle.
|
|
CreateBackupOptions options;
|
|
options.decrease_background_thread_cpu_priority = true;
|
|
options.background_thread_cpu_priority = CpuPriority::kIdle;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(options, db_.get()));
|
|
|
|
ASSERT_EQ(priority, CpuPriority::kIdle);
|
|
}
|
|
|
|
{
|
|
FillDB(db_.get(), 301, 400);
|
|
|
|
// reset priority to later verify that it's not updated by SetCpuPriority.
|
|
priority = CpuPriority::kNormal;
|
|
|
|
// setting the same cpu priority won't call SetCpuPriority.
|
|
CreateBackupOptions options;
|
|
options.decrease_background_thread_cpu_priority = true;
|
|
options.background_thread_cpu_priority = CpuPriority::kIdle;
|
|
|
|
// Also check output backup_id with CreateNewBackup
|
|
BackupID new_id = 0;
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(options, db_.get(), &new_id));
|
|
ASSERT_EQ(new_id, 5U);
|
|
|
|
ASSERT_EQ(priority, CpuPriority::kNormal);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->ClearAllCallBacks();
|
|
CloseDBAndBackupEngine();
|
|
DestroyDB(dbname_, options_);
|
|
}
|
|
|
|
// Populates `*total_size` with the size of all files under `backup_dir`.
|
|
// We don't go through `BackupEngine` currently because it's hard to figure out
|
|
// the metadata file size.
|
|
Status GetSizeOfBackupFiles(FileSystem* backup_fs,
|
|
const std::string& backup_dir, size_t* total_size) {
|
|
*total_size = 0;
|
|
std::vector<std::string> dir_stack = {backup_dir};
|
|
Status s;
|
|
while (s.ok() && !dir_stack.empty()) {
|
|
std::string dir = std::move(dir_stack.back());
|
|
dir_stack.pop_back();
|
|
std::vector<std::string> children;
|
|
s = backup_fs->GetChildren(dir, IOOptions(), &children, nullptr /* dbg */);
|
|
for (size_t i = 0; s.ok() && i < children.size(); ++i) {
|
|
std::string path = dir + "/" + children[i];
|
|
bool is_dir;
|
|
s = backup_fs->IsDirectory(path, IOOptions(), &is_dir, nullptr /* dbg */);
|
|
uint64_t file_size = 0;
|
|
if (s.ok()) {
|
|
if (is_dir) {
|
|
dir_stack.emplace_back(std::move(path));
|
|
} else {
|
|
s = backup_fs->GetFileSize(path, IOOptions(), &file_size,
|
|
nullptr /* dbg */);
|
|
}
|
|
}
|
|
if (s.ok()) {
|
|
*total_size += file_size;
|
|
}
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, IOStats) {
|
|
// Tests the `BACKUP_READ_BYTES` and `BACKUP_WRITE_BYTES` ticker stats have
|
|
// the expected values according to the files in the backups.
|
|
|
|
// These ticker stats are expected to be populated regardless of `PerfLevel`
|
|
// in user thread
|
|
SetPerfLevel(kDisable);
|
|
|
|
options_.statistics = CreateDBStatistics();
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum);
|
|
|
|
FillDB(db_.get(), 0 /* from */, 100 /* to */, kFlushMost);
|
|
|
|
ASSERT_EQ(0, options_.statistics->getTickerCount(BACKUP_READ_BYTES));
|
|
ASSERT_EQ(0, options_.statistics->getTickerCount(BACKUP_WRITE_BYTES));
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
|
|
size_t orig_backup_files_size;
|
|
ASSERT_OK(GetSizeOfBackupFiles(test_backup_env_->GetFileSystem().get(),
|
|
backupdir_, &orig_backup_files_size));
|
|
size_t expected_bytes_written = orig_backup_files_size;
|
|
ASSERT_EQ(expected_bytes_written,
|
|
options_.statistics->getTickerCount(BACKUP_WRITE_BYTES));
|
|
// Bytes read is more difficult to pin down since there are reads for many
|
|
// purposes other than creating file, like `GetSortedWalFiles()` to find first
|
|
// sequence number, or `CreateNewBackup()` thread to find SST file session ID.
|
|
// So we loosely require there are at least as many reads as needed for
|
|
// copying, but not as many as twice that.
|
|
ASSERT_GE(options_.statistics->getTickerCount(BACKUP_READ_BYTES),
|
|
expected_bytes_written);
|
|
ASSERT_LT(expected_bytes_written,
|
|
2 * options_.statistics->getTickerCount(BACKUP_READ_BYTES));
|
|
|
|
FillDB(db_.get(), 100 /* from */, 200 /* to */, kFlushMost);
|
|
|
|
ASSERT_OK(options_.statistics->Reset());
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get(),
|
|
false /* flush_before_backup */));
|
|
size_t final_backup_files_size;
|
|
ASSERT_OK(GetSizeOfBackupFiles(test_backup_env_->GetFileSystem().get(),
|
|
backupdir_, &final_backup_files_size));
|
|
expected_bytes_written = final_backup_files_size - orig_backup_files_size;
|
|
ASSERT_EQ(expected_bytes_written,
|
|
options_.statistics->getTickerCount(BACKUP_WRITE_BYTES));
|
|
// See above for why these bounds were chosen.
|
|
ASSERT_GE(options_.statistics->getTickerCount(BACKUP_READ_BYTES),
|
|
expected_bytes_written);
|
|
ASSERT_LT(expected_bytes_written,
|
|
2 * options_.statistics->getTickerCount(BACKUP_READ_BYTES));
|
|
}
|
|
|
|
TEST_F(BackupEngineTest, FileTemperatures) {
|
|
CloseDBAndBackupEngine();
|
|
|
|
// Required for recording+restoring temperatures
|
|
engine_options_->schema_version = 2;
|
|
|
|
// More file IO instrumentation
|
|
auto my_db_fs = std::make_shared<FileTemperatureTestFS>(db_chroot_fs_);
|
|
test_db_fs_ = std::make_shared<TestFs>(my_db_fs);
|
|
SetEnvsFromFileSystems();
|
|
|
|
// Use temperatures
|
|
options_.bottommost_temperature = Temperature::kWarm;
|
|
options_.level0_file_num_compaction_trigger = 2;
|
|
|
|
OpenDBAndBackupEngine(true /* destroy_old_data */, false /* dummy */,
|
|
kShareWithChecksum);
|
|
|
|
// generate a bottommost file (combined from 2) and a non-bottommost file
|
|
DBImpl* dbi = static_cast_with_check<DBImpl>(db_.get());
|
|
ASSERT_OK(db_->Put(WriteOptions(), "a", "val"));
|
|
ASSERT_OK(db_->Put(WriteOptions(), "c", "val"));
|
|
ASSERT_OK(db_->Flush(FlushOptions()));
|
|
ASSERT_OK(db_->Put(WriteOptions(), "b", "val"));
|
|
ASSERT_OK(db_->Put(WriteOptions(), "d", "val"));
|
|
ASSERT_OK(db_->Flush(FlushOptions()));
|
|
ASSERT_OK(dbi->TEST_WaitForCompact());
|
|
ASSERT_OK(db_->Put(WriteOptions(), "e", "val"));
|
|
ASSERT_OK(db_->Flush(FlushOptions()));
|
|
|
|
// Get temperatures from manifest
|
|
std::map<uint64_t, Temperature> manifest_temps;
|
|
std::map<Temperature, int> manifest_temp_counts;
|
|
{
|
|
std::vector<LiveFileStorageInfo> infos;
|
|
ASSERT_OK(
|
|
db_->GetLiveFilesStorageInfo(LiveFilesStorageInfoOptions(), &infos));
|
|
for (auto info : infos) {
|
|
if (info.file_type == kTableFile) {
|
|
manifest_temps.emplace(info.file_number, info.temperature);
|
|
manifest_temp_counts[info.temperature]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Verify expected manifest temperatures
|
|
ASSERT_EQ(manifest_temp_counts.size(), 2);
|
|
ASSERT_EQ(manifest_temp_counts[Temperature::kWarm], 1);
|
|
ASSERT_EQ(manifest_temp_counts[Temperature::kUnknown], 1);
|
|
|
|
// Verify manifest temperatures match FS temperatures
|
|
std::map<uint64_t, Temperature> current_temps;
|
|
my_db_fs->CopyCurrentSstFileTemperatures(¤t_temps);
|
|
for (const auto& manifest_temp : manifest_temps) {
|
|
ASSERT_EQ(current_temps[manifest_temp.first], manifest_temp.second);
|
|
}
|
|
|
|
// Try a few different things
|
|
for (int i = 1; i <= 5; ++i) {
|
|
// Expected temperatures after restore are based on manifest temperatures
|
|
std::map<uint64_t, Temperature> expected_temps = manifest_temps;
|
|
|
|
if (i >= 2) {
|
|
// For iterations 2 & 3, override current temperature of one file
|
|
// and vary which temperature is authoritative (current or manifest).
|
|
// For iterations 4 & 5, override current temperature of both files
|
|
// but make sure an current temperate always takes precedence over
|
|
// unknown regardless of current_temperatures_override_manifest setting.
|
|
bool use_current = ((i % 2) == 1);
|
|
engine_options_->current_temperatures_override_manifest = use_current;
|
|
CloseBackupEngine();
|
|
OpenBackupEngine();
|
|
for (const auto& manifest_temp : manifest_temps) {
|
|
if (i <= 3) {
|
|
if (manifest_temp.second == Temperature::kWarm) {
|
|
my_db_fs->OverrideSstFileTemperature(manifest_temp.first,
|
|
Temperature::kCold);
|
|
if (use_current) {
|
|
expected_temps[manifest_temp.first] = Temperature::kCold;
|
|
}
|
|
}
|
|
} else {
|
|
assert(i <= 5);
|
|
if (manifest_temp.second == Temperature::kWarm) {
|
|
my_db_fs->OverrideSstFileTemperature(manifest_temp.first,
|
|
Temperature::kUnknown);
|
|
} else {
|
|
ASSERT_EQ(manifest_temp.second, Temperature::kUnknown);
|
|
my_db_fs->OverrideSstFileTemperature(manifest_temp.first,
|
|
Temperature::kHot);
|
|
// regardless of use_current
|
|
expected_temps[manifest_temp.first] = Temperature::kHot;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Sample requested temperatures in opening files for backup
|
|
my_db_fs->PopRequestedSstFileTemperatures();
|
|
ASSERT_OK(backup_engine_->CreateNewBackup(db_.get()));
|
|
|
|
// Verify requested temperatures against manifest temperatures (before
|
|
// backup finds out current temperatures in FileSystem)
|
|
std::vector<std::pair<uint64_t, Temperature>> requested_temps;
|
|
my_db_fs->PopRequestedSstFileTemperatures(&requested_temps);
|
|
std::set<uint64_t> distinct_requests;
|
|
for (const auto& requested_temp : requested_temps) {
|
|
// Matching manifest temperatures
|
|
ASSERT_EQ(manifest_temps.at(requested_temp.first), requested_temp.second);
|
|
distinct_requests.insert(requested_temp.first);
|
|
}
|
|
// Two distinct requests
|
|
ASSERT_EQ(distinct_requests.size(), 2);
|
|
|
|
// Verify against backup info file details API
|
|
BackupInfo info;
|
|
ASSERT_OK(backup_engine_->GetLatestBackupInfo(
|
|
&info, /*include_file_details*/ true));
|
|
ASSERT_GT(info.file_details.size(), 2);
|
|
for (auto& e : info.file_details) {
|
|
ASSERT_EQ(expected_temps[e.file_number], e.temperature);
|
|
}
|
|
|
|
// Restore backup to another virtual (tiered) dir
|
|
const std::string restore_dir = "/restore" + ToString(i);
|
|
ASSERT_OK(backup_engine_->RestoreDBFromLatestBackup(
|
|
RestoreOptions(), restore_dir, restore_dir));
|
|
|
|
// Verify restored FS temperatures match expectation
|
|
// (FileTemperatureTestFS doesn't distinguish directories when reporting
|
|
// current temperatures, just whatever SST was written or overridden last
|
|
// with that file number.)
|
|
my_db_fs->CopyCurrentSstFileTemperatures(¤t_temps);
|
|
for (const auto& expected_temp : expected_temps) {
|
|
ASSERT_EQ(current_temps[expected_temp.first], expected_temp.second);
|
|
}
|
|
|
|
// Delete backup to force next backup to copy files
|
|
ASSERT_OK(backup_engine_->PurgeOldBackups(0));
|
|
}
|
|
}
|
|
|
|
} // anon namespace
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|
|
int main(int argc, char** argv) {
|
|
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|
|
#else
|
|
#include <stdio.h>
|
|
|
|
int main(int /*argc*/, char** /*argv*/) {
|
|
fprintf(stderr, "SKIPPED as BackupEngine is not supported in ROCKSDB_LITE\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif // !defined(ROCKSDB_LITE) && !defined(OS_WIN)
|