930 lines
34 KiB
C++
930 lines
34 KiB
C++
// Copyright (c) 2011-present, 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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#ifndef ROCKSDB_LITE
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#include <algorithm>
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#include <map>
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#include <string>
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#include <tuple>
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#include "db/compaction_job.h"
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#include "db/column_family.h"
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#include "db/version_set.h"
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#include "db/writebuffer.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/db.h"
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#include "rocksdb/options.h"
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#include "table/mock_table.h"
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#include "util/file_reader_writer.h"
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#include "util/string_util.h"
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#include "util/testharness.h"
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#include "util/testutil.h"
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#include "utilities/merge_operators.h"
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namespace rocksdb {
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namespace {
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void VerifyInitializationOfCompactionJobStats(
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const CompactionJobStats& compaction_job_stats) {
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#if !defined(IOS_CROSS_COMPILE)
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ASSERT_EQ(compaction_job_stats.elapsed_micros, 0U);
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ASSERT_EQ(compaction_job_stats.num_input_records, 0U);
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ASSERT_EQ(compaction_job_stats.num_input_files, 0U);
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ASSERT_EQ(compaction_job_stats.num_input_files_at_output_level, 0U);
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ASSERT_EQ(compaction_job_stats.num_output_records, 0U);
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ASSERT_EQ(compaction_job_stats.num_output_files, 0U);
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ASSERT_EQ(compaction_job_stats.is_manual_compaction, true);
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ASSERT_EQ(compaction_job_stats.total_input_bytes, 0U);
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ASSERT_EQ(compaction_job_stats.total_output_bytes, 0U);
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ASSERT_EQ(compaction_job_stats.total_input_raw_key_bytes, 0U);
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ASSERT_EQ(compaction_job_stats.total_input_raw_value_bytes, 0U);
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ASSERT_EQ(compaction_job_stats.smallest_output_key_prefix[0], 0);
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ASSERT_EQ(compaction_job_stats.largest_output_key_prefix[0], 0);
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ASSERT_EQ(compaction_job_stats.num_records_replaced, 0U);
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ASSERT_EQ(compaction_job_stats.num_input_deletion_records, 0U);
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ASSERT_EQ(compaction_job_stats.num_expired_deletion_records, 0U);
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ASSERT_EQ(compaction_job_stats.num_corrupt_keys, 0U);
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#endif // !defined(IOS_CROSS_COMPILE)
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}
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} // namespace
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// TODO(icanadi) Make it simpler once we mock out VersionSet
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class CompactionJobTest : public testing::Test {
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public:
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CompactionJobTest()
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: env_(Env::Default()),
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dbname_(test::TmpDir() + "/compaction_job_test"),
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mutable_cf_options_(Options(), ImmutableCFOptions(Options())),
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table_cache_(NewLRUCache(50000, 16)),
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write_buffer_(db_options_.db_write_buffer_size),
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versions_(new VersionSet(dbname_, &db_options_, env_options_,
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table_cache_.get(), &write_buffer_,
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&write_controller_)),
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shutting_down_(false),
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mock_table_factory_(new mock::MockTableFactory()) {
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EXPECT_OK(env_->CreateDirIfMissing(dbname_));
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db_options_.db_paths.emplace_back(dbname_,
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std::numeric_limits<uint64_t>::max());
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}
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std::string GenerateFileName(uint64_t file_number) {
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FileMetaData meta;
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std::vector<DbPath> db_paths;
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db_paths.emplace_back(dbname_, std::numeric_limits<uint64_t>::max());
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meta.fd = FileDescriptor(file_number, 0, 0);
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return TableFileName(db_paths, meta.fd.GetNumber(), meta.fd.GetPathId());
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}
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std::string KeyStr(const std::string& user_key, const SequenceNumber seq_num,
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const ValueType t) {
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return InternalKey(user_key, seq_num, t).Encode().ToString();
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}
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void AddMockFile(const stl_wrappers::KVMap& contents, int level = 0) {
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assert(contents.size() > 0);
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bool first_key = true;
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std::string smallest, largest;
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InternalKey smallest_key, largest_key;
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SequenceNumber smallest_seqno = kMaxSequenceNumber;
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SequenceNumber largest_seqno = 0;
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for (auto kv : contents) {
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ParsedInternalKey key;
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std::string skey;
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std::string value;
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std::tie(skey, value) = kv;
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ParseInternalKey(skey, &key);
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smallest_seqno = std::min(smallest_seqno, key.sequence);
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largest_seqno = std::max(largest_seqno, key.sequence);
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if (first_key ||
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cfd_->user_comparator()->Compare(key.user_key, smallest) < 0) {
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smallest.assign(key.user_key.data(), key.user_key.size());
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smallest_key.DecodeFrom(skey);
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}
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if (first_key ||
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cfd_->user_comparator()->Compare(key.user_key, largest) > 0) {
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largest.assign(key.user_key.data(), key.user_key.size());
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largest_key.DecodeFrom(skey);
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}
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first_key = false;
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}
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uint64_t file_number = versions_->NewFileNumber();
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EXPECT_OK(mock_table_factory_->CreateMockTable(
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env_, GenerateFileName(file_number), std::move(contents)));
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VersionEdit edit;
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edit.AddFile(level, file_number, 0, 10, smallest_key, largest_key,
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smallest_seqno, largest_seqno, false);
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mutex_.Lock();
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versions_->LogAndApply(versions_->GetColumnFamilySet()->GetDefault(),
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mutable_cf_options_, &edit, &mutex_);
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mutex_.Unlock();
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}
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void SetLastSequence(const SequenceNumber sequence_number) {
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versions_->SetLastSequence(sequence_number + 1);
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}
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// returns expected result after compaction
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stl_wrappers::KVMap CreateTwoFiles(bool gen_corrupted_keys) {
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auto expected_results = mock::MakeMockFile();
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const int kKeysPerFile = 10000;
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const int kCorruptKeysPerFile = 200;
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const int kMatchingKeys = kKeysPerFile / 2;
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SequenceNumber sequence_number = 0;
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auto corrupt_id = [&](int id) {
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return gen_corrupted_keys && id > 0 && id <= kCorruptKeysPerFile;
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};
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for (int i = 0; i < 2; ++i) {
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auto contents = mock::MakeMockFile();
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for (int k = 0; k < kKeysPerFile; ++k) {
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auto key = ToString(i * kMatchingKeys + k);
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auto value = ToString(i * kKeysPerFile + k);
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InternalKey internal_key(key, ++sequence_number, kTypeValue);
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// This is how the key will look like once it's written in bottommost
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// file
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InternalKey bottommost_internal_key(
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key, (key == "9999") ? sequence_number : 0, kTypeValue);
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if (corrupt_id(k)) {
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test::CorruptKeyType(&internal_key);
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test::CorruptKeyType(&bottommost_internal_key);
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}
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contents.insert({ internal_key.Encode().ToString(), value });
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if (i == 1 || k < kMatchingKeys || corrupt_id(k - kMatchingKeys)) {
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expected_results.insert(
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{ bottommost_internal_key.Encode().ToString(), value });
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}
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}
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AddMockFile(contents);
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}
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SetLastSequence(sequence_number);
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return expected_results;
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}
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void NewDB() {
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VersionEdit new_db;
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new_db.SetLogNumber(0);
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new_db.SetNextFile(2);
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new_db.SetLastSequence(0);
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const std::string manifest = DescriptorFileName(dbname_, 1);
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unique_ptr<WritableFile> file;
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Status s = env_->NewWritableFile(
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manifest, &file, env_->OptimizeForManifestWrite(env_options_));
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ASSERT_OK(s);
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unique_ptr<WritableFileWriter> file_writer(
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new WritableFileWriter(std::move(file), env_options_));
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{
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log::Writer log(std::move(file_writer), 0, false);
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std::string record;
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new_db.EncodeTo(&record);
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s = log.AddRecord(record);
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}
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ASSERT_OK(s);
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// Make "CURRENT" file that points to the new manifest file.
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s = SetCurrentFile(env_, dbname_, 1, nullptr);
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std::vector<ColumnFamilyDescriptor> column_families;
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cf_options_.table_factory = mock_table_factory_;
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cf_options_.merge_operator = merge_op_;
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cf_options_.compaction_filter = compaction_filter_.get();
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column_families.emplace_back(kDefaultColumnFamilyName, cf_options_);
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EXPECT_OK(versions_->Recover(column_families, false));
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cfd_ = versions_->GetColumnFamilySet()->GetDefault();
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}
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void RunCompaction(
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const std::vector<std::vector<FileMetaData*>>& input_files,
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const stl_wrappers::KVMap& expected_results,
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const std::vector<SequenceNumber>& snapshots = {},
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SequenceNumber earliest_write_conflict_snapshot = kMaxSequenceNumber) {
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auto cfd = versions_->GetColumnFamilySet()->GetDefault();
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size_t num_input_files = 0;
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std::vector<CompactionInputFiles> compaction_input_files;
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for (size_t level = 0; level < input_files.size(); level++) {
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auto level_files = input_files[level];
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CompactionInputFiles compaction_level;
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compaction_level.level = static_cast<int>(level);
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compaction_level.files.insert(compaction_level.files.end(),
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level_files.begin(), level_files.end());
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compaction_input_files.push_back(compaction_level);
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num_input_files += level_files.size();
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}
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Compaction compaction(cfd->current()->storage_info(),
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*cfd->GetLatestMutableCFOptions(),
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compaction_input_files, 1, 1024 * 1024, 10, 0,
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kNoCompression, {}, true);
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compaction.SetInputVersion(cfd->current());
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LogBuffer log_buffer(InfoLogLevel::INFO_LEVEL, db_options_.info_log.get());
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mutex_.Lock();
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EventLogger event_logger(db_options_.info_log.get());
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CompactionJob compaction_job(
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0, &compaction, db_options_, env_options_, versions_.get(),
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&shutting_down_, &log_buffer, nullptr, nullptr, nullptr, snapshots,
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earliest_write_conflict_snapshot, table_cache_, &event_logger, false,
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false, dbname_, &compaction_job_stats_);
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VerifyInitializationOfCompactionJobStats(compaction_job_stats_);
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compaction_job.Prepare();
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mutex_.Unlock();
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Status s;
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s = compaction_job.Run();
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ASSERT_OK(s);
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mutex_.Lock();
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ASSERT_OK(compaction_job.Install(*cfd->GetLatestMutableCFOptions(),
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&mutex_));
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mutex_.Unlock();
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if (expected_results.size() == 0) {
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ASSERT_GE(compaction_job_stats_.elapsed_micros, 0U);
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ASSERT_EQ(compaction_job_stats_.num_input_files, num_input_files);
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ASSERT_EQ(compaction_job_stats_.num_output_files, 0U);
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} else {
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ASSERT_GE(compaction_job_stats_.elapsed_micros, 0U);
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ASSERT_EQ(compaction_job_stats_.num_input_files, num_input_files);
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ASSERT_EQ(compaction_job_stats_.num_output_files, 1U);
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mock_table_factory_->AssertLatestFile(expected_results);
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}
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}
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Env* env_;
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std::string dbname_;
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EnvOptions env_options_;
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MutableCFOptions mutable_cf_options_;
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std::shared_ptr<Cache> table_cache_;
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WriteController write_controller_;
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DBOptions db_options_;
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ColumnFamilyOptions cf_options_;
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WriteBuffer write_buffer_;
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std::unique_ptr<VersionSet> versions_;
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InstrumentedMutex mutex_;
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std::atomic<bool> shutting_down_;
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std::shared_ptr<mock::MockTableFactory> mock_table_factory_;
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CompactionJobStats compaction_job_stats_;
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ColumnFamilyData* cfd_;
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std::unique_ptr<CompactionFilter> compaction_filter_;
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std::shared_ptr<MergeOperator> merge_op_;
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};
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TEST_F(CompactionJobTest, Simple) {
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NewDB();
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auto expected_results = CreateTwoFiles(false);
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auto cfd = versions_->GetColumnFamilySet()->GetDefault();
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auto files = cfd->current()->storage_info()->LevelFiles(0);
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ASSERT_EQ(2U, files.size());
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RunCompaction({ files }, expected_results);
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}
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TEST_F(CompactionJobTest, SimpleCorrupted) {
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NewDB();
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auto expected_results = CreateTwoFiles(true);
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auto cfd = versions_->GetColumnFamilySet()->GetDefault();
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auto files = cfd->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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ASSERT_EQ(compaction_job_stats_.num_corrupt_keys, 400U);
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}
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TEST_F(CompactionJobTest, SimpleDeletion) {
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NewDB();
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auto file1 = mock::MakeMockFile({{KeyStr("c", 4U, kTypeDeletion), ""},
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{KeyStr("c", 3U, kTypeValue), "val"}});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile({{KeyStr("b", 2U, kTypeValue), "val"},
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{KeyStr("b", 1U, kTypeValue), "val"}});
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AddMockFile(file2);
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auto expected_results =
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mock::MakeMockFile({{KeyStr("b", 0U, kTypeValue), "val"}});
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SetLastSequence(4U);
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auto files = cfd_->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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}
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TEST_F(CompactionJobTest, SimpleOverwrite) {
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NewDB();
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auto file1 = mock::MakeMockFile({
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{KeyStr("a", 3U, kTypeValue), "val2"},
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{KeyStr("b", 4U, kTypeValue), "val3"},
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});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"},
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{KeyStr("b", 2U, kTypeValue), "val"}});
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AddMockFile(file2);
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auto expected_results =
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mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "val2"},
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{KeyStr("b", 4U, kTypeValue), "val3"}});
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SetLastSequence(4U);
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auto files = cfd_->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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}
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TEST_F(CompactionJobTest, SimpleNonLastLevel) {
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NewDB();
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auto file1 = mock::MakeMockFile({
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{KeyStr("a", 5U, kTypeValue), "val2"},
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{KeyStr("b", 6U, kTypeValue), "val3"},
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});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile({{KeyStr("a", 3U, kTypeValue), "val"},
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{KeyStr("b", 4U, kTypeValue), "val"}});
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AddMockFile(file2, 1);
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auto file3 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"},
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{KeyStr("b", 2U, kTypeValue), "val"}});
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AddMockFile(file3, 2);
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// Because level 1 is not the last level, the sequence numbers of a and b
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// cannot be set to 0
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auto expected_results =
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mock::MakeMockFile({{KeyStr("a", 5U, kTypeValue), "val2"},
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{KeyStr("b", 6U, kTypeValue), "val3"}});
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SetLastSequence(6U);
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auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
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auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
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RunCompaction({lvl0_files, lvl1_files}, expected_results);
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}
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TEST_F(CompactionJobTest, SimpleMerge) {
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merge_op_ = MergeOperators::CreateStringAppendOperator();
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NewDB();
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auto file1 = mock::MakeMockFile({
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{KeyStr("a", 5U, kTypeMerge), "5"},
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{KeyStr("a", 4U, kTypeMerge), "4"},
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{KeyStr("a", 3U, kTypeValue), "3"},
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});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile(
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{{KeyStr("b", 2U, kTypeMerge), "2"}, {KeyStr("b", 1U, kTypeValue), "1"}});
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AddMockFile(file2);
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auto expected_results =
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mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "3,4,5"},
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{KeyStr("b", 2U, kTypeValue), "1,2"}});
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SetLastSequence(5U);
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auto files = cfd_->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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}
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TEST_F(CompactionJobTest, NonAssocMerge) {
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merge_op_ = MergeOperators::CreateStringAppendTESTOperator();
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NewDB();
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auto file1 = mock::MakeMockFile({
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{KeyStr("a", 5U, kTypeMerge), "5"},
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{KeyStr("a", 4U, kTypeMerge), "4"},
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{KeyStr("a", 3U, kTypeMerge), "3"},
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});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile(
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{{KeyStr("b", 2U, kTypeMerge), "2"}, {KeyStr("b", 1U, kTypeMerge), "1"}});
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AddMockFile(file2);
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auto expected_results =
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mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "3,4,5"},
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{KeyStr("b", 2U, kTypeMerge), "2"},
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{KeyStr("b", 1U, kTypeMerge), "1"}});
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SetLastSequence(5U);
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auto files = cfd_->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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}
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// Filters merge operands with value 10.
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TEST_F(CompactionJobTest, MergeOperandFilter) {
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merge_op_ = MergeOperators::CreateUInt64AddOperator();
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compaction_filter_.reset(new test::FilterNumber(10U));
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NewDB();
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auto file1 = mock::MakeMockFile(
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{{KeyStr("a", 5U, kTypeMerge), test::EncodeInt(5U)},
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{KeyStr("a", 4U, kTypeMerge), test::EncodeInt(10U)}, // Filtered
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{KeyStr("a", 3U, kTypeMerge), test::EncodeInt(3U)}});
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AddMockFile(file1);
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auto file2 = mock::MakeMockFile({
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{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(2U)},
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{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)} // Filtered
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});
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AddMockFile(file2);
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auto expected_results =
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mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), test::EncodeInt(8U)},
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{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(2U)}});
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SetLastSequence(5U);
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auto files = cfd_->current()->storage_info()->LevelFiles(0);
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RunCompaction({files}, expected_results);
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}
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TEST_F(CompactionJobTest, FilterSomeMergeOperands) {
|
|
merge_op_ = MergeOperators::CreateUInt64AddOperator();
|
|
compaction_filter_.reset(new test::FilterNumber(10U));
|
|
NewDB();
|
|
|
|
auto file1 = mock::MakeMockFile(
|
|
{{KeyStr("a", 5U, kTypeMerge), test::EncodeInt(5U)},
|
|
{KeyStr("a", 4U, kTypeMerge), test::EncodeInt(10U)}, // Filtered
|
|
{KeyStr("a", 3U, kTypeValue), test::EncodeInt(5U)},
|
|
{KeyStr("d", 8U, kTypeMerge), test::EncodeInt(10U)}});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 =
|
|
mock::MakeMockFile({{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("c", 2U, kTypeMerge), test::EncodeInt(3U)},
|
|
{KeyStr("c", 1U, kTypeValue), test::EncodeInt(7U)},
|
|
{KeyStr("d", 1U, kTypeValue), test::EncodeInt(6U)}});
|
|
AddMockFile(file2);
|
|
|
|
auto file3 =
|
|
mock::MakeMockFile({{KeyStr("a", 1U, kTypeMerge), test::EncodeInt(3U)}});
|
|
AddMockFile(file3, 2);
|
|
|
|
auto expected_results = mock::MakeMockFile({
|
|
{KeyStr("a", 5U, kTypeValue), test::EncodeInt(10U)},
|
|
{KeyStr("c", 2U, kTypeValue), test::EncodeInt(10U)},
|
|
{KeyStr("d", 1U, kTypeValue), test::EncodeInt(6U)}
|
|
// b does not appear because the operands are filtered
|
|
});
|
|
|
|
SetLastSequence(5U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results);
|
|
}
|
|
|
|
// Test where all operands/merge results are filtered out.
|
|
TEST_F(CompactionJobTest, FilterAllMergeOperands) {
|
|
merge_op_ = MergeOperators::CreateUInt64AddOperator();
|
|
compaction_filter_.reset(new test::FilterNumber(10U));
|
|
NewDB();
|
|
|
|
auto file1 =
|
|
mock::MakeMockFile({{KeyStr("a", 11U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("a", 10U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("a", 9U, kTypeMerge), test::EncodeInt(10U)}});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 =
|
|
mock::MakeMockFile({{KeyStr("b", 8U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 7U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 6U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 5U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 4U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 3U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("c", 2U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("c", 1U, kTypeMerge), test::EncodeInt(10U)}});
|
|
AddMockFile(file2);
|
|
|
|
auto file3 =
|
|
mock::MakeMockFile({{KeyStr("a", 2U, kTypeMerge), test::EncodeInt(10U)},
|
|
{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)}});
|
|
AddMockFile(file3, 2);
|
|
|
|
SetLastSequence(11U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
|
|
stl_wrappers::KVMap empty_map;
|
|
RunCompaction({files}, empty_map);
|
|
}
|
|
|
|
TEST_F(CompactionJobTest, SimpleSingleDelete) {
|
|
NewDB();
|
|
|
|
auto file1 = mock::MakeMockFile({
|
|
{KeyStr("a", 5U, kTypeDeletion), ""},
|
|
{KeyStr("b", 6U, kTypeSingleDeletion), ""},
|
|
});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 = mock::MakeMockFile({{KeyStr("a", 3U, kTypeValue), "val"},
|
|
{KeyStr("b", 4U, kTypeValue), "val"}});
|
|
AddMockFile(file2);
|
|
|
|
auto file3 = mock::MakeMockFile({
|
|
{KeyStr("a", 1U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file3, 2);
|
|
|
|
auto expected_results =
|
|
mock::MakeMockFile({{KeyStr("a", 5U, kTypeDeletion), ""}});
|
|
|
|
SetLastSequence(6U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results);
|
|
}
|
|
|
|
TEST_F(CompactionJobTest, SingleDeleteSnapshots) {
|
|
NewDB();
|
|
|
|
auto file1 = mock::MakeMockFile({
|
|
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("a", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("b", 21U, kTypeSingleDeletion), ""},
|
|
{KeyStr("c", 22U, kTypeSingleDeletion), ""},
|
|
{KeyStr("d", 9U, kTypeSingleDeletion), ""},
|
|
{KeyStr("f", 21U, kTypeSingleDeletion), ""},
|
|
{KeyStr("j", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("j", 9U, kTypeSingleDeletion), ""},
|
|
{KeyStr("k", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("k", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("l", 3U, kTypeSingleDeletion), ""},
|
|
{KeyStr("l", 2U, kTypeSingleDeletion), ""},
|
|
});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 = mock::MakeMockFile({
|
|
{KeyStr("0", 2U, kTypeSingleDeletion), ""},
|
|
{KeyStr("a", 11U, kTypeValue), "val1"},
|
|
{KeyStr("b", 11U, kTypeValue), "val2"},
|
|
{KeyStr("c", 21U, kTypeValue), "val3"},
|
|
{KeyStr("d", 8U, kTypeValue), "val4"},
|
|
{KeyStr("e", 2U, kTypeSingleDeletion), ""},
|
|
{KeyStr("f", 1U, kTypeValue), "val1"},
|
|
{KeyStr("g", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("h", 2U, kTypeSingleDeletion), ""},
|
|
{KeyStr("m", 12U, kTypeValue), "val1"},
|
|
{KeyStr("m", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("m", 8U, kTypeValue), "val2"},
|
|
});
|
|
AddMockFile(file2);
|
|
|
|
auto file3 = mock::MakeMockFile({
|
|
{KeyStr("A", 1U, kTypeValue), "val"},
|
|
{KeyStr("e", 1U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file3, 2);
|
|
|
|
auto expected_results = mock::MakeMockFile({
|
|
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("a", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("a", 11U, kTypeValue), ""},
|
|
{KeyStr("b", 21U, kTypeSingleDeletion), ""},
|
|
{KeyStr("b", 11U, kTypeValue), "val2"},
|
|
{KeyStr("c", 22U, kTypeSingleDeletion), ""},
|
|
{KeyStr("c", 21U, kTypeValue), ""},
|
|
{KeyStr("e", 2U, kTypeSingleDeletion), ""},
|
|
{KeyStr("f", 21U, kTypeSingleDeletion), ""},
|
|
{KeyStr("f", 1U, kTypeValue), "val1"},
|
|
{KeyStr("g", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("j", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("k", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("m", 12U, kTypeValue), "val1"},
|
|
{KeyStr("m", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("m", 8U, kTypeValue), "val2"},
|
|
});
|
|
|
|
SetLastSequence(22U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results, {10U, 20U}, 10U);
|
|
}
|
|
|
|
TEST_F(CompactionJobTest, EarliestWriteConflictSnapshot) {
|
|
NewDB();
|
|
|
|
// Test multiple snapshots where the earliest snapshot is not a
|
|
// write-conflic-snapshot.
|
|
|
|
auto file1 = mock::MakeMockFile({
|
|
{KeyStr("A", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 23U, kTypeValue), "val"},
|
|
{KeyStr("B", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 23U, kTypeValue), "val"},
|
|
{KeyStr("D", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 32U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 31U, kTypeValue), "val"},
|
|
{KeyStr("G", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 23U, kTypeValue), "val2"},
|
|
{KeyStr("H", 31U, kTypeValue), "val"},
|
|
{KeyStr("H", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("H", 23U, kTypeValue), "val"},
|
|
{KeyStr("I", 35U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 34U, kTypeValue), "val2"},
|
|
{KeyStr("I", 33U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 32U, kTypeValue), "val3"},
|
|
{KeyStr("I", 31U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 34U, kTypeValue), "val"},
|
|
{KeyStr("J", 33U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 25U, kTypeValue), "val2"},
|
|
{KeyStr("J", 24U, kTypeSingleDeletion), ""},
|
|
});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 = mock::MakeMockFile({
|
|
{KeyStr("A", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 13U, kTypeValue), "val2"},
|
|
{KeyStr("C", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("C", 13U, kTypeValue), "val"},
|
|
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("F", 4U, kTypeSingleDeletion), ""},
|
|
{KeyStr("F", 3U, kTypeValue), "val"},
|
|
{KeyStr("G", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 13U, kTypeValue), "val3"},
|
|
{KeyStr("H", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("H", 13U, kTypeValue), "val2"},
|
|
{KeyStr("I", 13U, kTypeValue), "val4"},
|
|
{KeyStr("I", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 11U, kTypeValue), "val5"},
|
|
{KeyStr("J", 15U, kTypeValue), "val3"},
|
|
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
|
|
});
|
|
AddMockFile(file2);
|
|
|
|
auto expected_results = mock::MakeMockFile({
|
|
{KeyStr("A", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 23U, kTypeValue), ""},
|
|
{KeyStr("B", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 23U, kTypeValue), ""},
|
|
{KeyStr("D", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 32U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 31U, kTypeValue), ""},
|
|
{KeyStr("H", 31U, kTypeValue), "val"},
|
|
{KeyStr("I", 35U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 34U, kTypeValue), ""},
|
|
{KeyStr("I", 31U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 13U, kTypeValue), "val4"},
|
|
{KeyStr("J", 34U, kTypeValue), "val"},
|
|
{KeyStr("J", 33U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 25U, kTypeValue), "val2"},
|
|
{KeyStr("J", 24U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 15U, kTypeValue), "val3"},
|
|
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
|
|
});
|
|
|
|
SetLastSequence(24U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results, {10U, 20U, 30U}, 20U);
|
|
}
|
|
|
|
TEST_F(CompactionJobTest, SingleDeleteZeroSeq) {
|
|
NewDB();
|
|
|
|
auto file1 = mock::MakeMockFile({
|
|
{KeyStr("A", 10U, kTypeSingleDeletion), ""},
|
|
{KeyStr("dummy", 5U, kTypeValue), "val2"},
|
|
});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 = mock::MakeMockFile({
|
|
{KeyStr("A", 0U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file2);
|
|
|
|
auto expected_results = mock::MakeMockFile({
|
|
{KeyStr("dummy", 5U, kTypeValue), "val2"},
|
|
});
|
|
|
|
SetLastSequence(22U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results, {});
|
|
}
|
|
|
|
TEST_F(CompactionJobTest, MultiSingleDelete) {
|
|
// Tests three scenarios involving multiple single delete/put pairs:
|
|
//
|
|
// A: Put Snapshot SDel Put SDel -> Put Snapshot SDel
|
|
// B: Snapshot Put SDel Put SDel Snapshot -> Snapshot SDel Snapshot
|
|
// C: SDel Put SDel Snapshot Put -> Snapshot Put
|
|
// D: (Put) SDel Snapshot Put SDel -> (Put) SDel Snapshot SDel
|
|
// E: Put SDel Snapshot Put SDel -> Snapshot SDel
|
|
// F: Put SDel Put Sdel Snapshot -> removed
|
|
// G: Snapshot SDel Put SDel Put -> Snapshot Put SDel
|
|
// H: (Put) Put SDel Put Sdel Snapshot -> Removed
|
|
// I: (Put) Snapshot Put SDel Put SDel -> SDel
|
|
// J: Put Put SDel Put SDel SDel Snapshot Put Put SDel SDel Put
|
|
// -> Snapshot Put
|
|
// K: SDel SDel Put SDel Put Put Snapshot SDel Put SDel SDel Put SDel
|
|
// -> Snapshot Put Snapshot SDel
|
|
// L: SDel Put Del Put SDel Snapshot Del Put Del SDel Put SDel
|
|
// -> Snapshot SDel
|
|
// M: (Put) SDel Put Del Put SDel Snapshot Put Del SDel Put SDel Del
|
|
// -> SDel Snapshot Del
|
|
NewDB();
|
|
|
|
auto file1 = mock::MakeMockFile({
|
|
{KeyStr("A", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 13U, kTypeValue), "val5"},
|
|
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 13U, kTypeValue), "val2"},
|
|
{KeyStr("C", 14U, kTypeValue), "val3"},
|
|
{KeyStr("D", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("D", 11U, kTypeValue), "val4"},
|
|
{KeyStr("G", 15U, kTypeValue), "val"},
|
|
{KeyStr("G", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("G", 13U, kTypeValue), "val"},
|
|
{KeyStr("I", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 13U, kTypeValue), "val"},
|
|
{KeyStr("J", 15U, kTypeValue), "val"},
|
|
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 13U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 12U, kTypeValue), "val"},
|
|
{KeyStr("J", 11U, kTypeValue), "val"},
|
|
{KeyStr("K", 16U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 15U, kTypeValue), "val1"},
|
|
{KeyStr("K", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 13U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 12U, kTypeValue), "val2"},
|
|
{KeyStr("K", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 16U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 15U, kTypeValue), "val"},
|
|
{KeyStr("L", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 13U, kTypeDeletion), ""},
|
|
{KeyStr("L", 12U, kTypeValue), "val"},
|
|
{KeyStr("L", 11U, kTypeDeletion), ""},
|
|
{KeyStr("M", 16U, kTypeDeletion), ""},
|
|
{KeyStr("M", 15U, kTypeSingleDeletion), ""},
|
|
{KeyStr("M", 14U, kTypeValue), "val"},
|
|
{KeyStr("M", 13U, kTypeSingleDeletion), ""},
|
|
{KeyStr("M", 12U, kTypeDeletion), ""},
|
|
{KeyStr("M", 11U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 = mock::MakeMockFile({
|
|
{KeyStr("A", 10U, kTypeValue), "val"},
|
|
{KeyStr("B", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 11U, kTypeValue), "val2"},
|
|
{KeyStr("C", 10U, kTypeSingleDeletion), ""},
|
|
{KeyStr("C", 9U, kTypeValue), "val6"},
|
|
{KeyStr("C", 8U, kTypeSingleDeletion), ""},
|
|
{KeyStr("D", 10U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 11U, kTypeValue), "val"},
|
|
{KeyStr("E", 5U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 4U, kTypeValue), "val"},
|
|
{KeyStr("F", 6U, kTypeSingleDeletion), ""},
|
|
{KeyStr("F", 5U, kTypeValue), "val"},
|
|
{KeyStr("F", 4U, kTypeSingleDeletion), ""},
|
|
{KeyStr("F", 3U, kTypeValue), "val"},
|
|
{KeyStr("G", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("H", 6U, kTypeSingleDeletion), ""},
|
|
{KeyStr("H", 5U, kTypeValue), "val"},
|
|
{KeyStr("H", 4U, kTypeSingleDeletion), ""},
|
|
{KeyStr("H", 3U, kTypeValue), "val"},
|
|
{KeyStr("I", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 11U, kTypeValue), "val"},
|
|
{KeyStr("J", 6U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 5U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 4U, kTypeValue), "val"},
|
|
{KeyStr("J", 3U, kTypeSingleDeletion), ""},
|
|
{KeyStr("J", 2U, kTypeValue), "val"},
|
|
{KeyStr("K", 8U, kTypeValue), "val3"},
|
|
{KeyStr("K", 7U, kTypeValue), "val4"},
|
|
{KeyStr("K", 6U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 5U, kTypeValue), "val5"},
|
|
{KeyStr("K", 2U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 1U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 5U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 4U, kTypeValue), "val"},
|
|
{KeyStr("L", 3U, kTypeDeletion), ""},
|
|
{KeyStr("L", 2U, kTypeValue), "val"},
|
|
{KeyStr("L", 1U, kTypeSingleDeletion), ""},
|
|
{KeyStr("M", 10U, kTypeSingleDeletion), ""},
|
|
{KeyStr("M", 7U, kTypeValue), "val"},
|
|
{KeyStr("M", 5U, kTypeDeletion), ""},
|
|
{KeyStr("M", 4U, kTypeValue), "val"},
|
|
{KeyStr("M", 3U, kTypeSingleDeletion), ""},
|
|
});
|
|
AddMockFile(file2);
|
|
|
|
auto file3 = mock::MakeMockFile({
|
|
{KeyStr("D", 1U, kTypeValue), "val"},
|
|
{KeyStr("H", 1U, kTypeValue), "val"},
|
|
{KeyStr("I", 2U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file3, 2);
|
|
|
|
auto file4 = mock::MakeMockFile({
|
|
{KeyStr("M", 1U, kTypeValue), "val"},
|
|
});
|
|
AddMockFile(file4, 2);
|
|
|
|
auto expected_results =
|
|
mock::MakeMockFile({{KeyStr("A", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 13U, kTypeValue), ""},
|
|
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("A", 10U, kTypeValue), "val"},
|
|
{KeyStr("B", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("B", 13U, kTypeValue), ""},
|
|
{KeyStr("C", 14U, kTypeValue), "val3"},
|
|
{KeyStr("D", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("D", 11U, kTypeValue), ""},
|
|
{KeyStr("D", 10U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("E", 11U, kTypeValue), ""},
|
|
{KeyStr("G", 15U, kTypeValue), "val"},
|
|
{KeyStr("G", 12U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 14U, kTypeSingleDeletion), ""},
|
|
{KeyStr("I", 13U, kTypeValue), ""},
|
|
{KeyStr("J", 15U, kTypeValue), "val"},
|
|
{KeyStr("K", 16U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 15U, kTypeValue), ""},
|
|
{KeyStr("K", 11U, kTypeSingleDeletion), ""},
|
|
{KeyStr("K", 8U, kTypeValue), "val3"},
|
|
{KeyStr("L", 16U, kTypeSingleDeletion), ""},
|
|
{KeyStr("L", 15U, kTypeValue), ""},
|
|
{KeyStr("M", 16U, kTypeDeletion), ""},
|
|
{KeyStr("M", 3U, kTypeSingleDeletion), ""}});
|
|
|
|
SetLastSequence(22U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results, {10U}, 10U);
|
|
}
|
|
|
|
// This test documents the behavior where a corrupt key follows a deletion or a
|
|
// single deletion and the (single) deletion gets removed while the corrupt key
|
|
// gets written out. TODO(noetzli): We probably want a better way to treat
|
|
// corrupt keys.
|
|
TEST_F(CompactionJobTest, CorruptionAfterDeletion) {
|
|
NewDB();
|
|
|
|
auto file1 =
|
|
mock::MakeMockFile({{test::KeyStr("A", 6U, kTypeValue), "val3"},
|
|
{test::KeyStr("a", 5U, kTypeDeletion), ""},
|
|
{test::KeyStr("a", 4U, kTypeValue, true), "val"}});
|
|
AddMockFile(file1);
|
|
|
|
auto file2 =
|
|
mock::MakeMockFile({{test::KeyStr("b", 3U, kTypeSingleDeletion), ""},
|
|
{test::KeyStr("b", 2U, kTypeValue, true), "val"},
|
|
{test::KeyStr("c", 1U, kTypeValue), "val2"}});
|
|
AddMockFile(file2);
|
|
|
|
auto expected_results =
|
|
mock::MakeMockFile({{test::KeyStr("A", 0U, kTypeValue), "val3"},
|
|
{test::KeyStr("a", 0U, kTypeValue, true), "val"},
|
|
{test::KeyStr("b", 0U, kTypeValue, true), "val"},
|
|
{test::KeyStr("c", 1U, kTypeValue), "val2"}});
|
|
|
|
SetLastSequence(6U);
|
|
auto files = cfd_->current()->storage_info()->LevelFiles(0);
|
|
RunCompaction({files}, expected_results);
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|
|
#else
|
|
#include <stdio.h>
|
|
|
|
int main(int argc, char** argv) {
|
|
fprintf(stderr,
|
|
"SKIPPED as CompactionJobStats is not supported in ROCKSDB_LITE\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|