Summary: Fixed a valgrind issue in checkpoint_test Test Plan: valgrind on checkpoint_test Reviewers: igor, anthony Reviewed By: anthony Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D40455
351 lines
11 KiB
C++
351 lines
11 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same 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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#include <unistd.h>
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#include <iostream>
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#include <thread>
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#include <utility>
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#include "db/db_impl.h"
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#include "port/stack_trace.h"
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#include "rocksdb/db.h"
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#include "rocksdb/env.h"
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#include "rocksdb/utilities/checkpoint.h"
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#include "util/sync_point.h"
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#include "util/testharness.h"
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#include "util/xfunc.h"
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namespace rocksdb {
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class DBTest : public testing::Test {
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protected:
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// Sequence of option configurations to try
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enum OptionConfig {
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kDefault = 0,
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};
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int option_config_;
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public:
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std::string dbname_;
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std::string alternative_wal_dir_;
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Env* env_;
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DB* db_;
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Options last_options_;
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std::vector<ColumnFamilyHandle*> handles_;
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DBTest() : env_(Env::Default()) {
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env_->SetBackgroundThreads(1, Env::LOW);
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env_->SetBackgroundThreads(1, Env::HIGH);
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dbname_ = test::TmpDir(env_) + "/db_test";
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alternative_wal_dir_ = dbname_ + "/wal";
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auto options = CurrentOptions();
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auto delete_options = options;
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delete_options.wal_dir = alternative_wal_dir_;
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EXPECT_OK(DestroyDB(dbname_, delete_options));
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// Destroy it for not alternative WAL dir is used.
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EXPECT_OK(DestroyDB(dbname_, options));
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db_ = nullptr;
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Reopen(options);
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}
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~DBTest() {
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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rocksdb::SyncPoint::GetInstance()->LoadDependency({});
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rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
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Close();
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Options options;
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options.db_paths.emplace_back(dbname_, 0);
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options.db_paths.emplace_back(dbname_ + "_2", 0);
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options.db_paths.emplace_back(dbname_ + "_3", 0);
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options.db_paths.emplace_back(dbname_ + "_4", 0);
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EXPECT_OK(DestroyDB(dbname_, options));
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}
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// Return the current option configuration.
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Options CurrentOptions() {
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Options options;
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options.env = env_;
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options.create_if_missing = true;
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return options;
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}
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void CreateColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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ColumnFamilyOptions cf_opts(options);
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size_t cfi = handles_.size();
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handles_.resize(cfi + cfs.size());
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for (auto cf : cfs) {
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ASSERT_OK(db_->CreateColumnFamily(cf_opts, cf, &handles_[cfi++]));
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}
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}
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void CreateAndReopenWithCF(const std::vector<std::string>& cfs,
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const Options& options) {
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CreateColumnFamilies(cfs, options);
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std::vector<std::string> cfs_plus_default = cfs;
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cfs_plus_default.insert(cfs_plus_default.begin(), kDefaultColumnFamilyName);
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ReopenWithColumnFamilies(cfs_plus_default, options);
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}
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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const std::vector<Options>& options) {
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ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
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}
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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
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}
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Status TryReopenWithColumnFamilies(
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const std::vector<std::string>& cfs,
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const std::vector<Options>& options) {
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Close();
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EXPECT_EQ(cfs.size(), options.size());
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std::vector<ColumnFamilyDescriptor> column_families;
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for (size_t i = 0; i < cfs.size(); ++i) {
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column_families.push_back(ColumnFamilyDescriptor(cfs[i], options[i]));
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}
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DBOptions db_opts = DBOptions(options[0]);
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return DB::Open(db_opts, dbname_, column_families, &handles_, &db_);
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}
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Status TryReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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Close();
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std::vector<Options> v_opts(cfs.size(), options);
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return TryReopenWithColumnFamilies(cfs, v_opts);
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}
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void Reopen(const Options& options) {
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ASSERT_OK(TryReopen(options));
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}
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void Close() {
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for (auto h : handles_) {
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delete h;
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}
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handles_.clear();
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delete db_;
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db_ = nullptr;
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}
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void DestroyAndReopen(const Options& options) {
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// Destroy using last options
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Destroy(last_options_);
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ASSERT_OK(TryReopen(options));
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}
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void Destroy(const Options& options) {
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Close();
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ASSERT_OK(DestroyDB(dbname_, options));
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}
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Status ReadOnlyReopen(const Options& options) {
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return DB::OpenForReadOnly(options, dbname_, &db_);
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}
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Status TryReopen(const Options& options) {
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Close();
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last_options_ = options;
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return DB::Open(options, dbname_, &db_);
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}
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Status Flush(int cf = 0) {
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if (cf == 0) {
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return db_->Flush(FlushOptions());
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} else {
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return db_->Flush(FlushOptions(), handles_[cf]);
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}
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}
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Status Put(const Slice& k, const Slice& v, WriteOptions wo = WriteOptions()) {
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return db_->Put(wo, k, v);
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}
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Status Put(int cf, const Slice& k, const Slice& v,
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WriteOptions wo = WriteOptions()) {
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return db_->Put(wo, handles_[cf], k, v);
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}
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Status Delete(const std::string& k) {
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return db_->Delete(WriteOptions(), k);
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}
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Status Delete(int cf, const std::string& k) {
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return db_->Delete(WriteOptions(), handles_[cf], k);
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}
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std::string Get(const std::string& k, const Snapshot* snapshot = nullptr) {
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ReadOptions options;
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options.verify_checksums = true;
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options.snapshot = snapshot;
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std::string result;
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Status s = db_->Get(options, k, &result);
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if (s.IsNotFound()) {
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result = "NOT_FOUND";
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} else if (!s.ok()) {
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result = s.ToString();
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}
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return result;
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}
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std::string Get(int cf, const std::string& k,
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const Snapshot* snapshot = nullptr) {
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ReadOptions options;
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options.verify_checksums = true;
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options.snapshot = snapshot;
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std::string result;
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Status s = db_->Get(options, handles_[cf], k, &result);
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if (s.IsNotFound()) {
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result = "NOT_FOUND";
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} else if (!s.ok()) {
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result = s.ToString();
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}
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return result;
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}
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};
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TEST_F(DBTest, GetSnapshotLink) {
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Options options;
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const std::string snapshot_name = test::TmpDir(env_) + "/snapshot";
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DB* snapshotDB;
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ReadOptions roptions;
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std::string result;
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Checkpoint* checkpoint;
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options = CurrentOptions();
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delete db_;
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db_ = nullptr;
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ASSERT_OK(DestroyDB(dbname_, options));
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ASSERT_OK(DestroyDB(snapshot_name, options));
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env_->DeleteDir(snapshot_name);
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// Create a database
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Status s;
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options.create_if_missing = true;
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ASSERT_OK(DB::Open(options, dbname_, &db_));
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std::string key = std::string("foo");
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ASSERT_OK(Put(key, "v1"));
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// Take a snapshot
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ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(snapshot_name));
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ASSERT_OK(Put(key, "v2"));
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ASSERT_EQ("v2", Get(key));
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ASSERT_OK(Flush());
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ASSERT_EQ("v2", Get(key));
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// Open snapshot and verify contents while DB is running
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options.create_if_missing = false;
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ASSERT_OK(DB::Open(options, snapshot_name, &snapshotDB));
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ASSERT_OK(snapshotDB->Get(roptions, key, &result));
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ASSERT_EQ("v1", result);
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delete snapshotDB;
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snapshotDB = nullptr;
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delete db_;
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db_ = nullptr;
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// Destroy original DB
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ASSERT_OK(DestroyDB(dbname_, options));
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// Open snapshot and verify contents
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options.create_if_missing = false;
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dbname_ = snapshot_name;
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ASSERT_OK(DB::Open(options, dbname_, &db_));
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ASSERT_EQ("v1", Get(key));
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delete db_;
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db_ = nullptr;
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ASSERT_OK(DestroyDB(dbname_, options));
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delete checkpoint;
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// Restore DB name
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dbname_ = test::TmpDir(env_) + "/db_test";
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}
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TEST_F(DBTest, CheckpointCF) {
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Options options = CurrentOptions();
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CreateAndReopenWithCF({"one", "two", "three", "four", "five"}, options);
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rocksdb::SyncPoint::GetInstance()->LoadDependency(
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{{"DBTest::CheckpointCF:2",
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"DBImpl::GetLiveFiles:2"},
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{"DBImpl::GetLiveFiles:1",
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"DBTest::CheckpointCF:1"}});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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ASSERT_OK(Put(0, "Default", "Default"));
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ASSERT_OK(Put(1, "one", "one"));
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ASSERT_OK(Put(2, "two", "two"));
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ASSERT_OK(Put(3, "three", "three"));
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ASSERT_OK(Put(4, "four", "four"));
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ASSERT_OK(Put(5, "five", "five"));
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const std::string snapshot_name = test::TmpDir(env_) + "/snapshot";
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DB* snapshotDB;
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ReadOptions roptions;
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std::string result;
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std::vector<ColumnFamilyHandle*> cphandles;
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ASSERT_OK(DestroyDB(snapshot_name, options));
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env_->DeleteDir(snapshot_name);
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Status s;
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// Take a snapshot
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std::thread t([&]() {
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Checkpoint* checkpoint;
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ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(snapshot_name));
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delete checkpoint;
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});
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TEST_SYNC_POINT("DBTest::CheckpointCF:1");
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ASSERT_OK(Put(0, "Default", "Default1"));
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ASSERT_OK(Put(1, "one", "eleven"));
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ASSERT_OK(Put(2, "two", "twelve"));
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ASSERT_OK(Put(3, "three", "thirteen"));
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ASSERT_OK(Put(4, "four", "fourteen"));
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ASSERT_OK(Put(5, "five", "fifteen"));
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TEST_SYNC_POINT("DBTest::CheckpointCF:2");
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t.join();
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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ASSERT_OK(Put(1, "one", "twentyone"));
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ASSERT_OK(Put(2, "two", "twentytwo"));
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ASSERT_OK(Put(3, "three", "twentythree"));
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ASSERT_OK(Put(4, "four", "twentyfour"));
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ASSERT_OK(Put(5, "five", "twentyfive"));
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ASSERT_OK(Flush());
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// Open snapshot and verify contents while DB is running
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options.create_if_missing = false;
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std::vector<std::string> cfs;
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cfs= {kDefaultColumnFamilyName, "one", "two", "three", "four", "five"};
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std::vector<ColumnFamilyDescriptor> column_families;
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for (size_t i = 0; i < cfs.size(); ++i) {
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column_families.push_back(ColumnFamilyDescriptor(cfs[i], options));
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}
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ASSERT_OK(DB::Open(options, snapshot_name,
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column_families, &cphandles, &snapshotDB));
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[0], "Default", &result));
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ASSERT_EQ("Default1", result);
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[1], "one", &result));
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ASSERT_EQ("eleven", result);
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[2], "two", &result));
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for (auto h : cphandles) {
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delete h;
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}
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cphandles.clear();
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delete snapshotDB;
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snapshotDB = nullptr;
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ASSERT_OK(DestroyDB(snapshot_name, options));
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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rocksdb::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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