02418194d7
Summary: Added 10 more tests that pass the ASSERT_STATUS_CHECKED test. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7524 Reviewed By: akankshamahajan15 Differential Revision: D24323093 Pulled By: ajkr fbshipit-source-id: 28d4106d0ca1740c3b896c755edf82d504b74801
2191 lines
86 KiB
C++
2191 lines
86 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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#include <limits>
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#include <string>
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#include <utility>
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#include "db/compaction/compaction.h"
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#include "db/compaction/compaction_picker_fifo.h"
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#include "db/compaction/compaction_picker_level.h"
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#include "db/compaction/compaction_picker_universal.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/string_util.h"
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namespace ROCKSDB_NAMESPACE {
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class CountingLogger : public Logger {
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public:
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using Logger::Logv;
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void Logv(const char* /*format*/, va_list /*ap*/) override { log_count++; }
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size_t log_count;
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};
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class CompactionPickerTest : public testing::Test {
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public:
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const Comparator* ucmp_;
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InternalKeyComparator icmp_;
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Options options_;
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ImmutableCFOptions ioptions_;
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MutableCFOptions mutable_cf_options_;
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MutableDBOptions mutable_db_options_;
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LevelCompactionPicker level_compaction_picker;
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std::string cf_name_;
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CountingLogger logger_;
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LogBuffer log_buffer_;
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uint32_t file_num_;
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CompactionOptionsFIFO fifo_options_;
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std::unique_ptr<VersionStorageInfo> vstorage_;
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std::vector<std::unique_ptr<FileMetaData>> files_;
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// does not own FileMetaData
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std::unordered_map<uint32_t, std::pair<FileMetaData*, int>> file_map_;
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// input files to compaction process.
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std::vector<CompactionInputFiles> input_files_;
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int compaction_level_start_;
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CompactionPickerTest()
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: ucmp_(BytewiseComparator()),
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icmp_(ucmp_),
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ioptions_(options_),
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mutable_cf_options_(options_),
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mutable_db_options_(),
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level_compaction_picker(ioptions_, &icmp_),
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cf_name_("dummy"),
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log_buffer_(InfoLogLevel::INFO_LEVEL, &logger_),
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file_num_(1),
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vstorage_(nullptr) {
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mutable_cf_options_.ttl = 0;
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mutable_cf_options_.periodic_compaction_seconds = 0;
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// ioptions_.compaction_pri = kMinOverlappingRatio has its own set of
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// tests to cover.
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ioptions_.compaction_pri = kByCompensatedSize;
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fifo_options_.max_table_files_size = 1;
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mutable_cf_options_.RefreshDerivedOptions(ioptions_);
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ioptions_.cf_paths.emplace_back("dummy",
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std::numeric_limits<uint64_t>::max());
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}
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~CompactionPickerTest() override {}
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void NewVersionStorage(int num_levels, CompactionStyle style) {
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DeleteVersionStorage();
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options_.num_levels = num_levels;
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vstorage_.reset(new VersionStorageInfo(&icmp_, ucmp_, options_.num_levels,
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style, nullptr, false));
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vstorage_->CalculateBaseBytes(ioptions_, mutable_cf_options_);
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}
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// Create a new VersionStorageInfo object so we can add mode files and then
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// merge it with the existing VersionStorageInfo
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void AddVersionStorage() {
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temp_vstorage_.reset(new VersionStorageInfo(
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&icmp_, ucmp_, options_.num_levels, ioptions_.compaction_style,
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vstorage_.get(), false));
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}
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void DeleteVersionStorage() {
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vstorage_.reset();
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temp_vstorage_.reset();
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files_.clear();
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file_map_.clear();
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input_files_.clear();
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}
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void Add(int level, uint32_t file_number, const char* smallest,
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const char* largest, uint64_t file_size = 1, uint32_t path_id = 0,
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SequenceNumber smallest_seq = 100, SequenceNumber largest_seq = 100,
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size_t compensated_file_size = 0, bool marked_for_compact = false) {
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VersionStorageInfo* vstorage;
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if (temp_vstorage_) {
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vstorage = temp_vstorage_.get();
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} else {
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vstorage = vstorage_.get();
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}
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assert(level < vstorage->num_levels());
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FileMetaData* f = new FileMetaData(
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file_number, path_id, file_size,
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InternalKey(smallest, smallest_seq, kTypeValue),
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InternalKey(largest, largest_seq, kTypeValue), smallest_seq,
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largest_seq, marked_for_compact, kInvalidBlobFileNumber,
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kUnknownOldestAncesterTime, kUnknownFileCreationTime,
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kUnknownFileChecksum, kUnknownFileChecksumFuncName);
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f->compensated_file_size =
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(compensated_file_size != 0) ? compensated_file_size : file_size;
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vstorage->AddFile(level, f);
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files_.emplace_back(f);
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file_map_.insert({file_number, {f, level}});
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}
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void SetCompactionInputFilesLevels(int level_count, int start_level) {
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input_files_.resize(level_count);
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for (int i = 0; i < level_count; ++i) {
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input_files_[i].level = start_level + i;
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}
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compaction_level_start_ = start_level;
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}
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void AddToCompactionFiles(uint32_t file_number) {
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auto iter = file_map_.find(file_number);
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assert(iter != file_map_.end());
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int level = iter->second.second;
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assert(level < vstorage_->num_levels());
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input_files_[level - compaction_level_start_].files.emplace_back(
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iter->second.first);
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}
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void UpdateVersionStorageInfo() {
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if (temp_vstorage_) {
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VersionBuilder builder(FileOptions(), &ioptions_, nullptr,
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vstorage_.get(), nullptr);
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ASSERT_OK(builder.SaveTo(temp_vstorage_.get()));
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vstorage_ = std::move(temp_vstorage_);
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}
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vstorage_->CalculateBaseBytes(ioptions_, mutable_cf_options_);
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vstorage_->UpdateFilesByCompactionPri(ioptions_.compaction_pri);
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vstorage_->UpdateNumNonEmptyLevels();
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vstorage_->GenerateFileIndexer();
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vstorage_->GenerateLevelFilesBrief();
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vstorage_->ComputeCompactionScore(ioptions_, mutable_cf_options_);
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vstorage_->GenerateLevel0NonOverlapping();
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vstorage_->ComputeFilesMarkedForCompaction();
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vstorage_->SetFinalized();
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}
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void AddFileToVersionStorage(int level, uint32_t file_number,
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const char* smallest, const char* largest,
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uint64_t file_size = 1, uint32_t path_id = 0,
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SequenceNumber smallest_seq = 100,
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SequenceNumber largest_seq = 100,
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size_t compensated_file_size = 0,
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bool marked_for_compact = false) {
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VersionStorageInfo* base_vstorage = vstorage_.release();
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vstorage_.reset(new VersionStorageInfo(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleUniversal,
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base_vstorage, false));
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Add(level, file_number, smallest, largest, file_size, path_id, smallest_seq,
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largest_seq, compensated_file_size, marked_for_compact);
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VersionBuilder builder(FileOptions(), &ioptions_, nullptr, base_vstorage,
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nullptr);
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builder.SaveTo(vstorage_.get());
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UpdateVersionStorageInfo();
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}
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private:
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std::unique_ptr<VersionStorageInfo> temp_vstorage_;
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};
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TEST_F(CompactionPickerTest, Empty) {
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NewVersionStorage(6, kCompactionStyleLevel);
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() == nullptr);
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}
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TEST_F(CompactionPickerTest, Single) {
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NewVersionStorage(6, kCompactionStyleLevel);
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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Add(0, 1U, "p", "q");
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() == nullptr);
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}
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TEST_F(CompactionPickerTest, Level0Trigger) {
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NewVersionStorage(6, kCompactionStyleLevel);
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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Add(0, 1U, "150", "200");
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Add(0, 2U, "200", "250");
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(2U, compaction->num_input_files(0));
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ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
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}
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TEST_F(CompactionPickerTest, Level1Trigger) {
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NewVersionStorage(6, kCompactionStyleLevel);
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Add(1, 66U, "150", "200", 1000000000U);
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(1U, compaction->num_input_files(0));
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ASSERT_EQ(66U, compaction->input(0, 0)->fd.GetNumber());
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}
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TEST_F(CompactionPickerTest, Level1Trigger2) {
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mutable_cf_options_.target_file_size_base = 10000000000;
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mutable_cf_options_.RefreshDerivedOptions(ioptions_);
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NewVersionStorage(6, kCompactionStyleLevel);
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Add(1, 66U, "150", "200", 1000000001U);
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Add(1, 88U, "201", "300", 1000000000U);
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Add(2, 6U, "150", "179", 1000000000U);
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Add(2, 7U, "180", "220", 1000000000U);
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Add(2, 8U, "221", "300", 1000000000U);
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(1U, compaction->num_input_files(0));
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ASSERT_EQ(2U, compaction->num_input_files(1));
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ASSERT_EQ(66U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(6U, compaction->input(1, 0)->fd.GetNumber());
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ASSERT_EQ(7U, compaction->input(1, 1)->fd.GetNumber());
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ASSERT_EQ(uint64_t{1073741824}, compaction->OutputFilePreallocationSize());
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}
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TEST_F(CompactionPickerTest, LevelMaxScore) {
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NewVersionStorage(6, kCompactionStyleLevel);
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mutable_cf_options_.target_file_size_base = 10000000;
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mutable_cf_options_.max_bytes_for_level_base = 10 * 1024 * 1024;
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mutable_cf_options_.RefreshDerivedOptions(ioptions_);
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Add(0, 1U, "150", "200", 1000000U);
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// Level 1 score 1.2
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Add(1, 66U, "150", "200", 6000000U);
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Add(1, 88U, "201", "300", 6000000U);
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// Level 2 score 1.8. File 7 is the largest. Should be picked
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Add(2, 6U, "150", "179", 60000000U);
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Add(2, 7U, "180", "220", 60000001U);
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Add(2, 8U, "221", "300", 60000000U);
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// Level 3 score slightly larger than 1
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Add(3, 26U, "150", "170", 260000000U);
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Add(3, 27U, "171", "179", 260000000U);
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Add(3, 28U, "191", "220", 260000000U);
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Add(3, 29U, "221", "300", 260000000U);
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(1U, compaction->num_input_files(0));
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ASSERT_EQ(7U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(mutable_cf_options_.target_file_size_base +
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mutable_cf_options_.target_file_size_base / 10,
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compaction->OutputFilePreallocationSize());
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}
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TEST_F(CompactionPickerTest, NeedsCompactionLevel) {
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const int kLevels = 6;
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const int kFileCount = 20;
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for (int level = 0; level < kLevels - 1; ++level) {
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NewVersionStorage(kLevels, kCompactionStyleLevel);
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uint64_t file_size = vstorage_->MaxBytesForLevel(level) * 2 / kFileCount;
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for (int file_count = 1; file_count <= kFileCount; ++file_count) {
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// start a brand new version in each test.
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NewVersionStorage(kLevels, kCompactionStyleLevel);
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for (int i = 0; i < file_count; ++i) {
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Add(level, i, ToString((i + 100) * 1000).c_str(),
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ToString((i + 100) * 1000 + 999).c_str(),
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file_size, 0, i * 100, i * 100 + 99);
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}
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UpdateVersionStorageInfo();
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ASSERT_EQ(vstorage_->CompactionScoreLevel(0), level);
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ASSERT_EQ(level_compaction_picker.NeedsCompaction(vstorage_.get()),
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vstorage_->CompactionScore(0) >= 1);
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// release the version storage
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DeleteVersionStorage();
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}
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}
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}
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TEST_F(CompactionPickerTest, Level0TriggerDynamic) {
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int num_levels = ioptions_.num_levels;
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ioptions_.level_compaction_dynamic_level_bytes = true;
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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mutable_cf_options_.max_bytes_for_level_base = 200;
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mutable_cf_options_.max_bytes_for_level_multiplier = 10;
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NewVersionStorage(num_levels, kCompactionStyleLevel);
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Add(0, 1U, "150", "200");
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Add(0, 2U, "200", "250");
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UpdateVersionStorageInfo();
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(2U, compaction->num_input_files(0));
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ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
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ASSERT_EQ(1, static_cast<int>(compaction->num_input_levels()));
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ASSERT_EQ(num_levels - 1, compaction->output_level());
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}
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TEST_F(CompactionPickerTest, Level0TriggerDynamic2) {
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int num_levels = ioptions_.num_levels;
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ioptions_.level_compaction_dynamic_level_bytes = true;
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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mutable_cf_options_.max_bytes_for_level_base = 200;
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mutable_cf_options_.max_bytes_for_level_multiplier = 10;
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NewVersionStorage(num_levels, kCompactionStyleLevel);
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Add(0, 1U, "150", "200");
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Add(0, 2U, "200", "250");
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Add(num_levels - 1, 3U, "200", "250", 300U);
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UpdateVersionStorageInfo();
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ASSERT_EQ(vstorage_->base_level(), num_levels - 2);
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(2U, compaction->num_input_files(0));
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ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
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ASSERT_EQ(1, static_cast<int>(compaction->num_input_levels()));
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ASSERT_EQ(num_levels - 2, compaction->output_level());
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}
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TEST_F(CompactionPickerTest, Level0TriggerDynamic3) {
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int num_levels = ioptions_.num_levels;
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ioptions_.level_compaction_dynamic_level_bytes = true;
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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mutable_cf_options_.max_bytes_for_level_base = 200;
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mutable_cf_options_.max_bytes_for_level_multiplier = 10;
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NewVersionStorage(num_levels, kCompactionStyleLevel);
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Add(0, 1U, "150", "200");
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Add(0, 2U, "200", "250");
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Add(num_levels - 1, 3U, "200", "250", 300U);
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Add(num_levels - 1, 4U, "300", "350", 3000U);
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UpdateVersionStorageInfo();
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ASSERT_EQ(vstorage_->base_level(), num_levels - 3);
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(2U, compaction->num_input_files(0));
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ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
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ASSERT_EQ(1, static_cast<int>(compaction->num_input_levels()));
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ASSERT_EQ(num_levels - 3, compaction->output_level());
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}
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TEST_F(CompactionPickerTest, Level0TriggerDynamic4) {
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int num_levels = ioptions_.num_levels;
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ioptions_.level_compaction_dynamic_level_bytes = true;
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mutable_cf_options_.level0_file_num_compaction_trigger = 2;
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mutable_cf_options_.max_bytes_for_level_base = 200;
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mutable_cf_options_.max_bytes_for_level_multiplier = 10;
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NewVersionStorage(num_levels, kCompactionStyleLevel);
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Add(0, 1U, "150", "200");
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Add(0, 2U, "200", "250");
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Add(num_levels - 1, 3U, "200", "250", 300U);
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Add(num_levels - 1, 4U, "300", "350", 3000U);
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Add(num_levels - 3, 5U, "150", "180", 3U);
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Add(num_levels - 3, 6U, "181", "300", 3U);
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Add(num_levels - 3, 7U, "400", "450", 3U);
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UpdateVersionStorageInfo();
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ASSERT_EQ(vstorage_->base_level(), num_levels - 3);
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std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
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cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
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&log_buffer_));
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ASSERT_TRUE(compaction.get() != nullptr);
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ASSERT_EQ(2U, compaction->num_input_files(0));
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ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
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ASSERT_EQ(2U, compaction->num_input_files(1));
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ASSERT_EQ(num_levels - 3, compaction->level(1));
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ASSERT_EQ(5U, compaction->input(1, 0)->fd.GetNumber());
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ASSERT_EQ(6U, compaction->input(1, 1)->fd.GetNumber());
|
|
ASSERT_EQ(2, static_cast<int>(compaction->num_input_levels()));
|
|
ASSERT_EQ(num_levels - 3, compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, LevelTriggerDynamic4) {
|
|
int num_levels = ioptions_.num_levels;
|
|
ioptions_.level_compaction_dynamic_level_bytes = true;
|
|
ioptions_.compaction_pri = kMinOverlappingRatio;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 2;
|
|
mutable_cf_options_.max_bytes_for_level_base = 200;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
Add(0, 1U, "150", "200");
|
|
Add(num_levels - 1, 2U, "200", "250", 300U);
|
|
Add(num_levels - 1, 3U, "300", "350", 3000U);
|
|
Add(num_levels - 1, 4U, "400", "450", 3U);
|
|
Add(num_levels - 2, 5U, "150", "180", 300U);
|
|
Add(num_levels - 2, 6U, "181", "350", 500U);
|
|
Add(num_levels - 2, 7U, "400", "450", 200U);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(5U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(0, compaction->num_input_files(1));
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(num_levels - 1, compaction->output_level());
|
|
}
|
|
|
|
// Universal and FIFO Compactions are not supported in ROCKSDB_LITE
|
|
#ifndef ROCKSDB_LITE
|
|
TEST_F(CompactionPickerTest, NeedsCompactionUniversal) {
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
UniversalCompactionPicker universal_compaction_picker(
|
|
ioptions_, &icmp_);
|
|
UpdateVersionStorageInfo();
|
|
// must return false when there's no files.
|
|
ASSERT_EQ(universal_compaction_picker.NeedsCompaction(vstorage_.get()),
|
|
false);
|
|
|
|
// verify the trigger given different number of L0 files.
|
|
for (int i = 1;
|
|
i <= mutable_cf_options_.level0_file_num_compaction_trigger * 2; ++i) {
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
Add(0, i, ToString((i + 100) * 1000).c_str(),
|
|
ToString((i + 100) * 1000 + 999).c_str(), 1000000, 0, i * 100,
|
|
i * 100 + 99);
|
|
UpdateVersionStorageInfo();
|
|
ASSERT_EQ(level_compaction_picker.NeedsCompaction(vstorage_.get()),
|
|
vstorage_->CompactionScore(0) >= 1);
|
|
}
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, CompactionUniversalIngestBehindReservedLevel) {
|
|
const uint64_t kFileSize = 100000;
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
ioptions_.allow_ingest_behind = true;
|
|
ioptions_.num_levels = 3;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
UpdateVersionStorageInfo();
|
|
// must return false when there's no files.
|
|
ASSERT_EQ(universal_compaction_picker.NeedsCompaction(vstorage_.get()),
|
|
false);
|
|
|
|
NewVersionStorage(3, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", kFileSize, 0, 401, 450);
|
|
Add(0, 4U, "260", "300", kFileSize, 0, 260, 300);
|
|
Add(1, 5U, "100", "151", kFileSize, 0, 200, 251);
|
|
Add(1, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
Add(2, 6U, "120", "200", kFileSize, 0, 20, 100);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
// output level should be the one above the bottom-most
|
|
ASSERT_EQ(1, compaction->output_level());
|
|
}
|
|
// Tests if the files can be trivially moved in multi level
|
|
// universal compaction when allow_trivial_move option is set
|
|
// In this test as the input files overlaps, they cannot
|
|
// be trivially moved.
|
|
|
|
TEST_F(CompactionPickerTest, CannotTrivialMoveUniversal) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.compaction_options_universal.allow_trivial_move = true;
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
UpdateVersionStorageInfo();
|
|
// must return false when there's no files.
|
|
ASSERT_EQ(universal_compaction_picker.NeedsCompaction(vstorage_.get()),
|
|
false);
|
|
|
|
NewVersionStorage(3, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", kFileSize, 0, 401, 450);
|
|
Add(0, 4U, "260", "300", kFileSize, 0, 260, 300);
|
|
Add(1, 5U, "100", "151", kFileSize, 0, 200, 251);
|
|
Add(1, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
Add(2, 6U, "120", "200", kFileSize, 0, 20, 100);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(!compaction->is_trivial_move());
|
|
}
|
|
// Tests if the files can be trivially moved in multi level
|
|
// universal compaction when allow_trivial_move option is set
|
|
// In this test as the input files doesn't overlaps, they should
|
|
// be trivially moved.
|
|
TEST_F(CompactionPickerTest, AllowsTrivialMoveUniversal) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.compaction_options_universal.allow_trivial_move = true;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(3, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", kFileSize, 0, 401, 450);
|
|
Add(0, 4U, "260", "300", kFileSize, 0, 260, 300);
|
|
Add(1, 5U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(2, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction->is_trivial_move());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction1) {
|
|
// The case where universal periodic compaction can be picked
|
|
// with some newer files being compacted.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", kFileSize, 0, 401, 450);
|
|
Add(0, 4U, "260", "300", kFileSize, 0, 260, 300);
|
|
Add(3, 5U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(4, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
Add(4, 6U, "501", "750", kFileSize, 0, 101, 150);
|
|
|
|
file_map_[2].first->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(4, file_map_[3].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
ASSERT_EQ(4, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction2) {
|
|
// The case where universal periodic compaction does not
|
|
// pick up only level to compact if it doesn't cover
|
|
// any file marked as periodic compaction.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(3, 5U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(4, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
Add(4, 6U, "501", "750", kFileSize, 0, 101, 150);
|
|
|
|
file_map_[5].first->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(0, file_map_[1].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_FALSE(compaction);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction3) {
|
|
// The case where universal periodic compaction does not
|
|
// pick up only the last sorted run which is an L0 file if it isn't
|
|
// marked as periodic compaction.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 5U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(0, 6U, "501", "750", kFileSize, 0, 101, 150);
|
|
|
|
file_map_[5].first->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(0, file_map_[1].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_FALSE(compaction);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction4) {
|
|
// The case where universal periodic compaction couldn't form
|
|
// a compaction that inlcudes any file marked for periodic compaction.
|
|
// Right now we form the compaction anyway if it is more than one
|
|
// sorted run. Just put the case here to validate that it doesn't
|
|
// crash.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(2, 2U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(3, 5U, "010", "080", kFileSize, 0, 200, 251);
|
|
Add(4, 3U, "301", "350", kFileSize, 0, 101, 150);
|
|
Add(4, 6U, "501", "750", kFileSize, 0, 101, 150);
|
|
|
|
file_map_[2].first->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(0, file_map_[2].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(!compaction ||
|
|
compaction->start_level() != compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction5) {
|
|
// Test single L0 file periodic compaction triggering.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 6U, "150", "200", kFileSize, 0, 500, 550);
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(0, file_map_[6].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction);
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(6U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(4, compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalPeriodicCompaction6) {
|
|
// Test single sorted run non-L0 periodic compaction
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
mutable_cf_options_.periodic_compaction_seconds = 1000;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(4, 5U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(4, 6U, "350", "400", kFileSize, 0, 500, 550);
|
|
UpdateVersionStorageInfo();
|
|
vstorage_->TEST_AddFileMarkedForPeriodicCompaction(4, file_map_[6].first);
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction);
|
|
ASSERT_EQ(4, compaction->start_level());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
ASSERT_EQ(5U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(6U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(4, compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, NeedsCompactionFIFO) {
|
|
NewVersionStorage(1, kCompactionStyleFIFO);
|
|
const int kFileCount =
|
|
mutable_cf_options_.level0_file_num_compaction_trigger * 3;
|
|
const uint64_t kFileSize = 100000;
|
|
const uint64_t kMaxSize = kFileSize * kFileCount / 2;
|
|
|
|
fifo_options_.max_table_files_size = kMaxSize;
|
|
mutable_cf_options_.compaction_options_fifo = fifo_options_;
|
|
FIFOCompactionPicker fifo_compaction_picker(ioptions_, &icmp_);
|
|
UpdateVersionStorageInfo();
|
|
// must return false when there's no files.
|
|
ASSERT_EQ(fifo_compaction_picker.NeedsCompaction(vstorage_.get()), false);
|
|
|
|
// verify whether compaction is needed based on the current
|
|
// size of L0 files.
|
|
uint64_t current_size = 0;
|
|
for (int i = 1; i <= kFileCount; ++i) {
|
|
NewVersionStorage(1, kCompactionStyleFIFO);
|
|
Add(0, i, ToString((i + 100) * 1000).c_str(),
|
|
ToString((i + 100) * 1000 + 999).c_str(),
|
|
kFileSize, 0, i * 100, i * 100 + 99);
|
|
current_size += kFileSize;
|
|
UpdateVersionStorageInfo();
|
|
ASSERT_EQ(fifo_compaction_picker.NeedsCompaction(vstorage_.get()),
|
|
vstorage_->CompactionScore(0) >= 1);
|
|
}
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
|
|
TEST_F(CompactionPickerTest, CompactionPriMinOverlapping1) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
ioptions_.compaction_pri = kMinOverlappingRatio;
|
|
mutable_cf_options_.target_file_size_base = 100000000000;
|
|
mutable_cf_options_.target_file_size_multiplier = 10;
|
|
mutable_cf_options_.max_bytes_for_level_base = 10 * 1024 * 1024;
|
|
mutable_cf_options_.RefreshDerivedOptions(ioptions_);
|
|
|
|
Add(2, 6U, "150", "179", 50000000U);
|
|
Add(2, 7U, "180", "220", 50000000U);
|
|
Add(2, 8U, "321", "400", 50000000U); // File not overlapping
|
|
Add(2, 9U, "721", "800", 50000000U);
|
|
|
|
Add(3, 26U, "150", "170", 260000000U);
|
|
Add(3, 27U, "171", "179", 260000000U);
|
|
Add(3, 28U, "191", "220", 260000000U);
|
|
Add(3, 29U, "221", "300", 260000000U);
|
|
Add(3, 30U, "750", "900", 260000000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
// Pick file 8 because it overlaps with 0 files on level 3.
|
|
ASSERT_EQ(8U, compaction->input(0, 0)->fd.GetNumber());
|
|
// Compaction input size * 1.1
|
|
ASSERT_GE(uint64_t{55000000}, compaction->OutputFilePreallocationSize());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, CompactionPriMinOverlapping2) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
ioptions_.compaction_pri = kMinOverlappingRatio;
|
|
mutable_cf_options_.target_file_size_base = 10000000;
|
|
mutable_cf_options_.target_file_size_multiplier = 10;
|
|
mutable_cf_options_.max_bytes_for_level_base = 10 * 1024 * 1024;
|
|
|
|
Add(2, 6U, "150", "175",
|
|
60000000U); // Overlaps with file 26, 27, total size 521M
|
|
Add(2, 7U, "176", "200", 60000000U); // Overlaps with file 27, 28, total size
|
|
// 520M, the smalelst overlapping
|
|
Add(2, 8U, "201", "300",
|
|
60000000U); // Overlaps with file 28, 29, total size 521M
|
|
|
|
Add(3, 25U, "100", "110", 261000000U);
|
|
Add(3, 26U, "150", "170", 261000000U);
|
|
Add(3, 27U, "171", "179", 260000000U);
|
|
Add(3, 28U, "191", "220", 260000000U);
|
|
Add(3, 29U, "221", "300", 261000000U);
|
|
Add(3, 30U, "321", "400", 261000000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
// Picking file 7 because overlapping ratio is the biggest.
|
|
ASSERT_EQ(7U, compaction->input(0, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, CompactionPriMinOverlapping3) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
ioptions_.compaction_pri = kMinOverlappingRatio;
|
|
mutable_cf_options_.max_bytes_for_level_base = 10000000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
|
|
// file 7 and 8 over lap with the same file, but file 8 is smaller so
|
|
// it will be picked.
|
|
Add(2, 6U, "150", "167", 60000000U); // Overlaps with file 26, 27
|
|
Add(2, 7U, "168", "169", 60000000U); // Overlaps with file 27
|
|
Add(2, 8U, "201", "300", 61000000U); // Overlaps with file 28, but the file
|
|
// itself is larger. Should be picked.
|
|
|
|
Add(3, 26U, "160", "165", 260000000U);
|
|
Add(3, 27U, "166", "170", 260000000U);
|
|
Add(3, 28U, "180", "400", 260000000U);
|
|
Add(3, 29U, "401", "500", 260000000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
// Picking file 8 because overlapping ratio is the biggest.
|
|
ASSERT_EQ(8U, compaction->input(0, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, CompactionPriMinOverlapping4) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
ioptions_.compaction_pri = kMinOverlappingRatio;
|
|
mutable_cf_options_.max_bytes_for_level_base = 10000000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
|
|
// file 7 and 8 over lap with the same file, but file 8 is smaller so
|
|
// it will be picked.
|
|
// Overlaps with file 26, 27. And the file is compensated so will be
|
|
// picked up.
|
|
Add(2, 6U, "150", "167", 60000000U, 0, 100, 100, 180000000U);
|
|
Add(2, 7U, "168", "169", 60000000U); // Overlaps with file 27
|
|
Add(2, 8U, "201", "300", 61000000U); // Overlaps with file 28
|
|
|
|
Add(3, 26U, "160", "165", 60000000U);
|
|
// Boosted file size in output level is not considered.
|
|
Add(3, 27U, "166", "170", 60000000U, 0, 100, 100, 260000000U);
|
|
Add(3, 28U, "180", "400", 60000000U);
|
|
Add(3, 29U, "401", "500", 60000000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
// Picking file 8 because overlapping ratio is the biggest.
|
|
ASSERT_EQ(6U, compaction->input(0, 0)->fd.GetNumber());
|
|
}
|
|
|
|
// This test exhibits the bug where we don't properly reset parent_index in
|
|
// PickCompaction()
|
|
TEST_F(CompactionPickerTest, ParentIndexResetBug) {
|
|
int num_levels = ioptions_.num_levels;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 2;
|
|
mutable_cf_options_.max_bytes_for_level_base = 200;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
Add(0, 1U, "150", "200"); // <- marked for compaction
|
|
Add(1, 3U, "400", "500", 600); // <- this one needs compacting
|
|
Add(2, 4U, "150", "200");
|
|
Add(2, 5U, "201", "210");
|
|
Add(2, 6U, "300", "310");
|
|
Add(2, 7U, "400", "500"); // <- being compacted
|
|
|
|
vstorage_->LevelFiles(2)[3]->being_compacted = true;
|
|
vstorage_->LevelFiles(0)[0]->marked_for_compaction = true;
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
}
|
|
|
|
// This test checks ExpandWhileOverlapping() by having overlapping user keys
|
|
// ranges (with different sequence numbers) in the input files.
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
ioptions_.compaction_pri = kByCompensatedSize;
|
|
|
|
Add(1, 1U, "100", "150", 1U);
|
|
// Overlapping user keys
|
|
Add(1, 2U, "200", "400", 1U);
|
|
Add(1, 3U, "400", "500", 1000000000U, 0, 0);
|
|
Add(2, 4U, "600", "700", 1U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
ASSERT_EQ(2U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(0, 1)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys2) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// Overlapping user keys on same level and output level
|
|
Add(1, 1U, "200", "400", 1000000000U);
|
|
Add(1, 2U, "400", "500", 1U, 0, 0);
|
|
Add(2, 3U, "000", "100", 1U);
|
|
Add(2, 4U, "100", "600", 1U, 0, 0);
|
|
Add(2, 5U, "600", "700", 1U, 0, 0);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
ASSERT_EQ(3U, compaction->num_input_files(1));
|
|
ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(1, 0)->fd.GetNumber());
|
|
ASSERT_EQ(4U, compaction->input(1, 1)->fd.GetNumber());
|
|
ASSERT_EQ(5U, compaction->input(1, 2)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys3) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// Chain of overlapping user key ranges (forces ExpandWhileOverlapping() to
|
|
// expand multiple times)
|
|
Add(1, 1U, "100", "150", 1U);
|
|
Add(1, 2U, "150", "200", 1U, 0, 0);
|
|
Add(1, 3U, "200", "250", 1000000000U, 0, 0);
|
|
Add(1, 4U, "250", "300", 1U, 0, 0);
|
|
Add(1, 5U, "300", "350", 1U, 0, 0);
|
|
// Output level overlaps with the beginning and the end of the chain
|
|
Add(2, 6U, "050", "100", 1U);
|
|
Add(2, 7U, "350", "400", 1U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(5U, compaction->num_input_files(0));
|
|
ASSERT_EQ(2U, compaction->num_input_files(1));
|
|
ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(0, 2)->fd.GetNumber());
|
|
ASSERT_EQ(4U, compaction->input(0, 3)->fd.GetNumber());
|
|
ASSERT_EQ(5U, compaction->input(0, 4)->fd.GetNumber());
|
|
ASSERT_EQ(6U, compaction->input(1, 0)->fd.GetNumber());
|
|
ASSERT_EQ(7U, compaction->input(1, 1)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys4) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000000;
|
|
|
|
Add(1, 1U, "100", "150", 1U);
|
|
Add(1, 2U, "150", "199", 1U, 0, 0);
|
|
Add(1, 3U, "200", "250", 1100000U, 0, 0);
|
|
Add(1, 4U, "251", "300", 1U, 0, 0);
|
|
Add(1, 5U, "300", "350", 1U, 0, 0);
|
|
|
|
Add(2, 6U, "100", "115", 1U);
|
|
Add(2, 7U, "125", "325", 1U);
|
|
Add(2, 8U, "350", "400", 1U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
ASSERT_EQ(3U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(7U, compaction->input(1, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys5) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// Overlapping user keys on same level and output level
|
|
Add(1, 1U, "200", "400", 1000000000U);
|
|
Add(1, 2U, "400", "500", 1U, 0, 0);
|
|
Add(2, 3U, "000", "100", 1U);
|
|
Add(2, 4U, "100", "600", 1U, 0, 0);
|
|
Add(2, 5U, "600", "700", 1U, 0, 0);
|
|
|
|
vstorage_->LevelFiles(2)[2]->being_compacted = true;
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() == nullptr);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys6) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// Overlapping user keys on same level and output level
|
|
Add(1, 1U, "200", "400", 1U, 0, 0);
|
|
Add(1, 2U, "401", "500", 1U, 0, 0);
|
|
Add(2, 3U, "000", "100", 1U);
|
|
Add(2, 4U, "100", "300", 1U, 0, 0);
|
|
Add(2, 5U, "305", "450", 1U, 0, 0);
|
|
Add(2, 6U, "460", "600", 1U, 0, 0);
|
|
Add(2, 7U, "600", "700", 1U, 0, 0);
|
|
|
|
vstorage_->LevelFiles(1)[0]->marked_for_compaction = true;
|
|
vstorage_->LevelFiles(1)[1]->marked_for_compaction = true;
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(3U, compaction->num_input_files(1));
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys7) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
// Overlapping user keys on same level and output level
|
|
Add(1, 1U, "200", "400", 1U, 0, 0);
|
|
Add(1, 2U, "401", "500", 1000000000U, 0, 0);
|
|
Add(2, 3U, "100", "250", 1U);
|
|
Add(2, 4U, "300", "600", 1U, 0, 0);
|
|
Add(2, 5U, "600", "800", 1U, 0, 0);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_GE(1U, compaction->num_input_files(0));
|
|
ASSERT_GE(2U, compaction->num_input_files(1));
|
|
// File 5 has to be included in the compaction
|
|
ASSERT_EQ(5U, compaction->inputs(1)->back()->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys8) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
// grow the number of inputs in "level" without
|
|
// changing the number of "level+1" files we pick up
|
|
// Expand input level as much as possible
|
|
// no overlapping case
|
|
Add(1, 1U, "101", "150", 1U);
|
|
Add(1, 2U, "151", "200", 1U);
|
|
Add(1, 3U, "201", "300", 1000000000U);
|
|
Add(1, 4U, "301", "400", 1U);
|
|
Add(1, 5U, "401", "500", 1U);
|
|
Add(2, 6U, "150", "200", 1U);
|
|
Add(2, 7U, "200", "450", 1U, 0, 0);
|
|
Add(2, 8U, "500", "600", 1U);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(3U, compaction->num_input_files(0));
|
|
ASSERT_EQ(2U, compaction->num_input_files(1));
|
|
ASSERT_EQ(2U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(4U, compaction->input(0, 2)->fd.GetNumber());
|
|
ASSERT_EQ(6U, compaction->input(1, 0)->fd.GetNumber());
|
|
ASSERT_EQ(7U, compaction->input(1, 1)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys9) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
// grow the number of inputs in "level" without
|
|
// changing the number of "level+1" files we pick up
|
|
// Expand input level as much as possible
|
|
// overlapping case
|
|
Add(1, 1U, "121", "150", 1U);
|
|
Add(1, 2U, "151", "200", 1U);
|
|
Add(1, 3U, "201", "300", 1000000000U);
|
|
Add(1, 4U, "301", "400", 1U);
|
|
Add(1, 5U, "401", "500", 1U);
|
|
Add(2, 6U, "100", "120", 1U);
|
|
Add(2, 7U, "150", "200", 1U);
|
|
Add(2, 8U, "200", "450", 1U, 0, 0);
|
|
Add(2, 9U, "501", "600", 1U);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(5U, compaction->num_input_files(0));
|
|
ASSERT_EQ(2U, compaction->num_input_files(1));
|
|
ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(0, 2)->fd.GetNumber());
|
|
ASSERT_EQ(4U, compaction->input(0, 3)->fd.GetNumber());
|
|
ASSERT_EQ(7U, compaction->input(1, 0)->fd.GetNumber());
|
|
ASSERT_EQ(8U, compaction->input(1, 1)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys10) {
|
|
// Locked file encountered when pulling in extra input-level files with same
|
|
// user keys. Verify we pick the next-best file from the same input level.
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
|
|
// file_number 2U is largest and thus first choice. But it overlaps with
|
|
// file_number 1U which is being compacted. So instead we pick the next-
|
|
// biggest file, 3U, which is eligible for compaction.
|
|
Add(1 /* level */, 1U /* file_number */, "100" /* smallest */,
|
|
"150" /* largest */, 1U /* file_size */);
|
|
file_map_[1U].first->being_compacted = true;
|
|
Add(1 /* level */, 2U /* file_number */, "150" /* smallest */,
|
|
"200" /* largest */, 1000000000U /* file_size */, 0 /* smallest_seq */,
|
|
0 /* largest_seq */);
|
|
Add(1 /* level */, 3U /* file_number */, "201" /* smallest */,
|
|
"250" /* largest */, 900000000U /* file_size */);
|
|
Add(2 /* level */, 4U /* file_number */, "100" /* smallest */,
|
|
"150" /* largest */, 1U /* file_size */);
|
|
Add(2 /* level */, 5U /* file_number */, "151" /* smallest */,
|
|
"200" /* largest */, 1U /* file_size */);
|
|
Add(2 /* level */, 6U /* file_number */, "201" /* smallest */,
|
|
"250" /* largest */, 1U /* file_size */);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
ASSERT_EQ(3U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(6U, compaction->input(1, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, OverlappingUserKeys11) {
|
|
// Locked file encountered when pulling in extra output-level files with same
|
|
// user keys. Expected to skip that compaction and pick the next-best choice.
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
|
|
// score(L1) = 3.7
|
|
// score(L2) = 1.85
|
|
// There is no eligible file in L1 to compact since both candidates pull in
|
|
// file_number 5U, which overlaps with a file pending compaction (6U). The
|
|
// first eligible compaction is from L2->L3.
|
|
Add(1 /* level */, 2U /* file_number */, "151" /* smallest */,
|
|
"200" /* largest */, 1000000000U /* file_size */);
|
|
Add(1 /* level */, 3U /* file_number */, "201" /* smallest */,
|
|
"250" /* largest */, 1U /* file_size */);
|
|
Add(2 /* level */, 4U /* file_number */, "100" /* smallest */,
|
|
"149" /* largest */, 5000000000U /* file_size */);
|
|
Add(2 /* level */, 5U /* file_number */, "150" /* smallest */,
|
|
"201" /* largest */, 1U /* file_size */);
|
|
Add(2 /* level */, 6U /* file_number */, "201" /* smallest */,
|
|
"249" /* largest */, 1U /* file_size */, 0 /* smallest_seq */,
|
|
0 /* largest_seq */);
|
|
file_map_[6U].first->being_compacted = true;
|
|
Add(3 /* level */, 7U /* file_number */, "100" /* smallest */,
|
|
"149" /* largest */, 1U /* file_size */);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
ASSERT_EQ(4U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(7U, compaction->input(1, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, NotScheduleL1IfL0WithHigherPri1) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 2;
|
|
mutable_cf_options_.max_bytes_for_level_base = 900000000U;
|
|
|
|
// 6 L0 files, score 3.
|
|
Add(0, 1U, "000", "400", 1U);
|
|
Add(0, 2U, "001", "400", 1U, 0, 0);
|
|
Add(0, 3U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 31U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 32U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 33U, "001", "400", 1000000000U, 0, 0);
|
|
|
|
// L1 total size 2GB, score 2.2. If one file being comapcted, score 1.1.
|
|
Add(1, 4U, "050", "300", 1000000000U, 0, 0);
|
|
file_map_[4u].first->being_compacted = true;
|
|
Add(1, 5U, "301", "350", 1000000000U, 0, 0);
|
|
|
|
// Output level overlaps with the beginning and the end of the chain
|
|
Add(2, 6U, "050", "100", 1U);
|
|
Add(2, 7U, "300", "400", 1U);
|
|
|
|
// No compaction should be scheduled, if L0 has higher priority than L1
|
|
// but L0->L1 compaction is blocked by a file in L1 being compacted.
|
|
UpdateVersionStorageInfo();
|
|
ASSERT_EQ(0, vstorage_->CompactionScoreLevel(0));
|
|
ASSERT_EQ(1, vstorage_->CompactionScoreLevel(1));
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() == nullptr);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, NotScheduleL1IfL0WithHigherPri2) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 2;
|
|
mutable_cf_options_.max_bytes_for_level_base = 900000000U;
|
|
|
|
// 6 L0 files, score 3.
|
|
Add(0, 1U, "000", "400", 1U);
|
|
Add(0, 2U, "001", "400", 1U, 0, 0);
|
|
Add(0, 3U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 31U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 32U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 33U, "001", "400", 1000000000U, 0, 0);
|
|
|
|
// L1 total size 2GB, score 2.2. If one file being comapcted, score 1.1.
|
|
Add(1, 4U, "050", "300", 1000000000U, 0, 0);
|
|
Add(1, 5U, "301", "350", 1000000000U, 0, 0);
|
|
|
|
// Output level overlaps with the beginning and the end of the chain
|
|
Add(2, 6U, "050", "100", 1U);
|
|
Add(2, 7U, "300", "400", 1U);
|
|
|
|
// If no file in L1 being compacted, L0->L1 compaction will be scheduled.
|
|
UpdateVersionStorageInfo(); // being_compacted flag is cleared here.
|
|
ASSERT_EQ(0, vstorage_->CompactionScoreLevel(0));
|
|
ASSERT_EQ(1, vstorage_->CompactionScoreLevel(1));
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, NotScheduleL1IfL0WithHigherPri3) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 2;
|
|
mutable_cf_options_.max_bytes_for_level_base = 900000000U;
|
|
|
|
// 6 L0 files, score 3.
|
|
Add(0, 1U, "000", "400", 1U);
|
|
Add(0, 2U, "001", "400", 1U, 0, 0);
|
|
Add(0, 3U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 31U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 32U, "001", "400", 1000000000U, 0, 0);
|
|
Add(0, 33U, "001", "400", 1000000000U, 0, 0);
|
|
|
|
// L1 score more than 6.
|
|
Add(1, 4U, "050", "300", 1000000000U, 0, 0);
|
|
file_map_[4u].first->being_compacted = true;
|
|
Add(1, 5U, "301", "350", 1000000000U, 0, 0);
|
|
Add(1, 51U, "351", "400", 6000000000U, 0, 0);
|
|
|
|
// Output level overlaps with the beginning and the end of the chain
|
|
Add(2, 6U, "050", "100", 1U);
|
|
Add(2, 7U, "300", "400", 1U);
|
|
|
|
// If score in L1 is larger than L0, L1 compaction goes through despite
|
|
// there is pending L0 compaction.
|
|
UpdateVersionStorageInfo();
|
|
ASSERT_EQ(1, vstorage_->CompactionScoreLevel(0));
|
|
ASSERT_EQ(0, vstorage_->CompactionScoreLevel(1));
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, EstimateCompactionBytesNeeded1) {
|
|
int num_levels = ioptions_.num_levels;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 4;
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
Add(0, 1U, "150", "200", 200);
|
|
Add(0, 2U, "150", "200", 200);
|
|
Add(0, 3U, "150", "200", 200);
|
|
// Level 1 is over target by 200
|
|
Add(1, 4U, "400", "500", 600);
|
|
Add(1, 5U, "600", "700", 600);
|
|
// Level 2 is less than target 10000 even added size of level 1
|
|
// Size ratio of L2/L1 is 9600 / 1200 = 8
|
|
Add(2, 6U, "150", "200", 2500);
|
|
Add(2, 7U, "201", "210", 2000);
|
|
Add(2, 8U, "300", "310", 2600);
|
|
Add(2, 9U, "400", "500", 2500);
|
|
// Level 3 exceeds target 100,000 of 1000
|
|
Add(3, 10U, "400", "500", 101000);
|
|
// Level 4 exceeds target 1,000,000 by 900 after adding size from level 3
|
|
// Size ratio L4/L3 is 9.9
|
|
// After merge from L3, L4 size is 1000900
|
|
Add(4, 11U, "400", "500", 999900);
|
|
Add(5, 12U, "400", "500", 8007200);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
ASSERT_EQ(200u * 9u + 10900u + 900u * 9,
|
|
vstorage_->estimated_compaction_needed_bytes());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, EstimateCompactionBytesNeeded2) {
|
|
int num_levels = ioptions_.num_levels;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
Add(0, 1U, "150", "200", 200);
|
|
Add(0, 2U, "150", "200", 200);
|
|
Add(0, 4U, "150", "200", 200);
|
|
Add(0, 5U, "150", "200", 200);
|
|
Add(0, 6U, "150", "200", 200);
|
|
// Level 1 size will be 1400 after merging with L0
|
|
Add(1, 7U, "400", "500", 200);
|
|
Add(1, 8U, "600", "700", 200);
|
|
// Level 2 is less than target 10000 even added size of level 1
|
|
Add(2, 9U, "150", "200", 9100);
|
|
// Level 3 over the target, but since level 4 is empty, we assume it will be
|
|
// a trivial move.
|
|
Add(3, 10U, "400", "500", 101000);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
// estimated L1->L2 merge: 400 * (9100.0 / 1400.0 + 1.0)
|
|
ASSERT_EQ(1400u + 3000u, vstorage_->estimated_compaction_needed_bytes());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, EstimateCompactionBytesNeeded3) {
|
|
int num_levels = ioptions_.num_levels;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
Add(0, 1U, "150", "200", 2000);
|
|
Add(0, 2U, "150", "200", 2000);
|
|
Add(0, 4U, "150", "200", 2000);
|
|
Add(0, 5U, "150", "200", 2000);
|
|
Add(0, 6U, "150", "200", 1000);
|
|
// Level 1 size will be 10000 after merging with L0
|
|
Add(1, 7U, "400", "500", 500);
|
|
Add(1, 8U, "600", "700", 500);
|
|
|
|
Add(2, 9U, "150", "200", 10000);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
ASSERT_EQ(10000u + 18000u, vstorage_->estimated_compaction_needed_bytes());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, EstimateCompactionBytesNeededDynamicLevel) {
|
|
int num_levels = ioptions_.num_levels;
|
|
ioptions_.level_compaction_dynamic_level_bytes = true;
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000;
|
|
mutable_cf_options_.max_bytes_for_level_multiplier = 10;
|
|
NewVersionStorage(num_levels, kCompactionStyleLevel);
|
|
|
|
// Set Last level size 50000
|
|
// num_levels - 1 target 5000
|
|
// num_levels - 2 is base level with target 1000 (rounded up to
|
|
// max_bytes_for_level_base).
|
|
Add(num_levels - 1, 10U, "400", "500", 50000);
|
|
|
|
Add(0, 1U, "150", "200", 200);
|
|
Add(0, 2U, "150", "200", 200);
|
|
Add(0, 4U, "150", "200", 200);
|
|
Add(0, 5U, "150", "200", 200);
|
|
Add(0, 6U, "150", "200", 200);
|
|
// num_levels - 3 is over target by 100 + 1000
|
|
Add(num_levels - 3, 7U, "400", "500", 550);
|
|
Add(num_levels - 3, 8U, "600", "700", 550);
|
|
// num_levels - 2 is over target by 1100 + 200
|
|
Add(num_levels - 2, 9U, "150", "200", 5200);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
// Merging to the second last level: (5200 / 2100 + 1) * 1100
|
|
// Merging to the last level: (50000 / 6300 + 1) * 1300
|
|
ASSERT_EQ(2100u + 3823u + 11617u,
|
|
vstorage_->estimated_compaction_needed_bytes());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IsBottommostLevelTest) {
|
|
// case 1: Higher levels are empty
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "a", "m");
|
|
Add(0, 2U, "c", "z");
|
|
Add(1, 3U, "d", "e");
|
|
Add(1, 4U, "l", "p");
|
|
Add(2, 5U, "g", "i");
|
|
Add(2, 6U, "x", "z");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 1);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(5U);
|
|
bool result =
|
|
Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_TRUE(result);
|
|
|
|
// case 2: Higher levels have no overlap
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "a", "m");
|
|
Add(0, 2U, "c", "z");
|
|
Add(1, 3U, "d", "e");
|
|
Add(1, 4U, "l", "p");
|
|
Add(2, 5U, "g", "i");
|
|
Add(2, 6U, "x", "z");
|
|
Add(3, 7U, "k", "p");
|
|
Add(3, 8U, "t", "w");
|
|
Add(4, 9U, "a", "b");
|
|
Add(5, 10U, "c", "cc");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 1);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(5U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_TRUE(result);
|
|
|
|
// case 3.1: Higher levels (level 3) have overlap
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "a", "m");
|
|
Add(0, 2U, "c", "z");
|
|
Add(1, 3U, "d", "e");
|
|
Add(1, 4U, "l", "p");
|
|
Add(2, 5U, "g", "i");
|
|
Add(2, 6U, "x", "z");
|
|
Add(3, 7U, "e", "g");
|
|
Add(3, 8U, "h", "k");
|
|
Add(4, 9U, "a", "b");
|
|
Add(5, 10U, "c", "cc");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 1);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(5U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_FALSE(result);
|
|
|
|
// case 3.2: Higher levels (level 5) have overlap
|
|
DeleteVersionStorage();
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "a", "m");
|
|
Add(0, 2U, "c", "z");
|
|
Add(1, 3U, "d", "e");
|
|
Add(1, 4U, "l", "p");
|
|
Add(2, 5U, "g", "i");
|
|
Add(2, 6U, "x", "z");
|
|
Add(3, 7U, "j", "k");
|
|
Add(3, 8U, "l", "m");
|
|
Add(4, 9U, "a", "b");
|
|
Add(5, 10U, "c", "cc");
|
|
Add(5, 11U, "h", "k");
|
|
Add(5, 12U, "y", "yy");
|
|
Add(5, 13U, "z", "zz");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 1);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(5U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_FALSE(result);
|
|
|
|
// case 3.3: Higher levels (level 5) have overlap, but it's only overlapping
|
|
// one key ("d")
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "a", "m");
|
|
Add(0, 2U, "c", "z");
|
|
Add(1, 3U, "d", "e");
|
|
Add(1, 4U, "l", "p");
|
|
Add(2, 5U, "g", "i");
|
|
Add(2, 6U, "x", "z");
|
|
Add(3, 7U, "j", "k");
|
|
Add(3, 8U, "l", "m");
|
|
Add(4, 9U, "a", "b");
|
|
Add(5, 10U, "c", "cc");
|
|
Add(5, 11U, "ccc", "d");
|
|
Add(5, 12U, "y", "yy");
|
|
Add(5, 13U, "z", "zz");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 1);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(5U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_FALSE(result);
|
|
|
|
// Level 0 files overlap
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "s", "t");
|
|
Add(0, 2U, "a", "m");
|
|
Add(0, 3U, "b", "z");
|
|
Add(0, 4U, "e", "f");
|
|
Add(5, 10U, "y", "z");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(1, 0);
|
|
AddToCompactionFiles(1U);
|
|
AddToCompactionFiles(2U);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(4U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_FALSE(result);
|
|
|
|
// Level 0 files don't overlap
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "s", "t");
|
|
Add(0, 2U, "a", "m");
|
|
Add(0, 3U, "b", "k");
|
|
Add(0, 4U, "e", "f");
|
|
Add(5, 10U, "y", "z");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(1, 0);
|
|
AddToCompactionFiles(1U);
|
|
AddToCompactionFiles(2U);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(4U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_TRUE(result);
|
|
|
|
// Level 1 files overlap
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
Add(0, 1U, "s", "t");
|
|
Add(0, 2U, "a", "m");
|
|
Add(0, 3U, "b", "k");
|
|
Add(0, 4U, "e", "f");
|
|
Add(1, 5U, "a", "m");
|
|
Add(1, 6U, "n", "o");
|
|
Add(1, 7U, "w", "y");
|
|
Add(5, 10U, "y", "z");
|
|
UpdateVersionStorageInfo();
|
|
SetCompactionInputFilesLevels(2, 0);
|
|
AddToCompactionFiles(1U);
|
|
AddToCompactionFiles(2U);
|
|
AddToCompactionFiles(3U);
|
|
AddToCompactionFiles(4U);
|
|
AddToCompactionFiles(5U);
|
|
AddToCompactionFiles(6U);
|
|
AddToCompactionFiles(7U);
|
|
result = Compaction::TEST_IsBottommostLevel(2, vstorage_.get(), input_files_);
|
|
ASSERT_FALSE(result);
|
|
|
|
DeleteVersionStorage();
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, MaxCompactionBytesHit) {
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000000u;
|
|
mutable_cf_options_.max_compaction_bytes = 800000u;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// A compaction should be triggered and pick file 2 and 5.
|
|
// It can expand because adding file 1 and 3, the compaction size will
|
|
// exceed mutable_cf_options_.max_bytes_for_level_base.
|
|
Add(1, 1U, "100", "150", 300000U);
|
|
Add(1, 2U, "151", "200", 300001U, 0, 0);
|
|
Add(1, 3U, "201", "250", 300000U, 0, 0);
|
|
Add(1, 4U, "251", "300", 300000U, 0, 0);
|
|
Add(2, 5U, "100", "256", 1U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
ASSERT_EQ(2U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(5U, compaction->input(1, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, MaxCompactionBytesNotHit) {
|
|
mutable_cf_options_.max_bytes_for_level_base = 800000u;
|
|
mutable_cf_options_.max_compaction_bytes = 1000000u;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// A compaction should be triggered and pick file 2 and 5.
|
|
// and it expands to file 1 and 3 too.
|
|
Add(1, 1U, "100", "150", 300000U);
|
|
Add(1, 2U, "151", "200", 300001U, 0, 0);
|
|
Add(1, 3U, "201", "250", 300000U, 0, 0);
|
|
Add(1, 4U, "251", "300", 300000U, 0, 0);
|
|
Add(2, 5U, "000", "251", 1U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(2U, compaction->num_input_levels());
|
|
ASSERT_EQ(3U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
ASSERT_EQ(1U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(2U, compaction->input(0, 1)->fd.GetNumber());
|
|
ASSERT_EQ(3U, compaction->input(0, 2)->fd.GetNumber());
|
|
ASSERT_EQ(5U, compaction->input(1, 0)->fd.GetNumber());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IsTrivialMoveOn) {
|
|
mutable_cf_options_.max_bytes_for_level_base = 10000u;
|
|
mutable_cf_options_.max_compaction_bytes = 10001u;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// A compaction should be triggered and pick file 2
|
|
Add(1, 1U, "100", "150", 3000U);
|
|
Add(1, 2U, "151", "200", 3001U);
|
|
Add(1, 3U, "201", "250", 3000U);
|
|
Add(1, 4U, "251", "300", 3000U);
|
|
|
|
Add(3, 5U, "120", "130", 7000U);
|
|
Add(3, 6U, "170", "180", 7000U);
|
|
Add(3, 7U, "220", "230", 7000U);
|
|
Add(3, 8U, "270", "280", 7000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_TRUE(compaction->IsTrivialMove());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IsTrivialMoveOffSstPartitioned) {
|
|
mutable_cf_options_.max_bytes_for_level_base = 10000u;
|
|
mutable_cf_options_.max_compaction_bytes = 10001u;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
ioptions_.sst_partitioner_factory = NewSstPartitionerFixedPrefixFactory(1);
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// A compaction should be triggered and pick file 2
|
|
Add(1, 1U, "100", "150", 3000U);
|
|
Add(1, 2U, "151", "200", 3001U);
|
|
Add(1, 3U, "201", "250", 3000U);
|
|
Add(1, 4U, "251", "300", 3000U);
|
|
|
|
Add(3, 5U, "120", "130", 7000U);
|
|
Add(3, 6U, "170", "180", 7000U);
|
|
Add(3, 7U, "220", "230", 7000U);
|
|
Add(3, 8U, "270", "280", 7000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
// No trivial move, because partitioning is applied
|
|
ASSERT_TRUE(!compaction->IsTrivialMove());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IsTrivialMoveOff) {
|
|
mutable_cf_options_.max_bytes_for_level_base = 1000000u;
|
|
mutable_cf_options_.max_compaction_bytes = 10000u;
|
|
ioptions_.level_compaction_dynamic_level_bytes = false;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
// A compaction should be triggered and pick all files from level 1
|
|
Add(1, 1U, "100", "150", 300000U, 0, 0);
|
|
Add(1, 2U, "150", "200", 300000U, 0, 0);
|
|
Add(1, 3U, "200", "250", 300000U, 0, 0);
|
|
Add(1, 4U, "250", "300", 300000U, 0, 0);
|
|
|
|
Add(3, 5U, "120", "130", 6000U);
|
|
Add(3, 6U, "140", "150", 6000U);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_FALSE(compaction->IsTrivialMove());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, CacheNextCompactionIndex) {
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
mutable_cf_options_.max_compaction_bytes = 100000000000u;
|
|
|
|
Add(1 /* level */, 1U /* file_number */, "100" /* smallest */,
|
|
"149" /* largest */, 1000000000U /* file_size */);
|
|
file_map_[1U].first->being_compacted = true;
|
|
Add(1 /* level */, 2U /* file_number */, "150" /* smallest */,
|
|
"199" /* largest */, 900000000U /* file_size */);
|
|
Add(1 /* level */, 3U /* file_number */, "200" /* smallest */,
|
|
"249" /* largest */, 800000000U /* file_size */);
|
|
Add(1 /* level */, 4U /* file_number */, "250" /* smallest */,
|
|
"299" /* largest */, 700000000U /* file_size */);
|
|
Add(2 /* level */, 5U /* file_number */, "150" /* smallest */,
|
|
"199" /* largest */, 1U /* file_size */);
|
|
file_map_[5U].first->being_compacted = true;
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(0U, compaction->num_input_files(1));
|
|
ASSERT_EQ(3U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(2, vstorage_->NextCompactionIndex(1 /* level */));
|
|
|
|
compaction.reset(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(0U, compaction->num_input_files(1));
|
|
ASSERT_EQ(4U, compaction->input(0, 0)->fd.GetNumber());
|
|
ASSERT_EQ(3, vstorage_->NextCompactionIndex(1 /* level */));
|
|
|
|
compaction.reset(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() == nullptr);
|
|
ASSERT_EQ(4, vstorage_->NextCompactionIndex(1 /* level */));
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IntraL0MaxCompactionBytesNotHit) {
|
|
// Intra L0 compaction triggers only if there are at least
|
|
// level0_file_num_compaction_trigger + 2 L0 files.
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_compaction_bytes = 1000000u;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
|
|
// All 5 L0 files will be picked for intra L0 compaction. The one L1 file
|
|
// spans entire L0 key range and is marked as being compacted to avoid
|
|
// L0->L1 compaction.
|
|
Add(0, 1U, "100", "150", 200000U, 0, 100, 101);
|
|
Add(0, 2U, "151", "200", 200000U, 0, 102, 103);
|
|
Add(0, 3U, "201", "250", 200000U, 0, 104, 105);
|
|
Add(0, 4U, "251", "300", 200000U, 0, 106, 107);
|
|
Add(0, 5U, "301", "350", 200000U, 0, 108, 109);
|
|
Add(1, 6U, "100", "350", 200000U, 0, 110, 111);
|
|
vstorage_->LevelFiles(1)[0]->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(5U, compaction->num_input_files(0));
|
|
ASSERT_EQ(CompactionReason::kLevelL0FilesNum,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IntraL0MaxCompactionBytesHit) {
|
|
// Intra L0 compaction triggers only if there are at least
|
|
// level0_file_num_compaction_trigger + 2 L0 files.
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_compaction_bytes = 999999u;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
|
|
// 4 out of 5 L0 files will be picked for intra L0 compaction due to
|
|
// max_compaction_bytes limit (the minimum number of files for triggering
|
|
// intra L0 compaction is 4). The one L1 file spans entire L0 key range and
|
|
// is marked as being compacted to avoid L0->L1 compaction.
|
|
Add(0, 1U, "100", "150", 200000U, 0, 100, 101);
|
|
Add(0, 2U, "151", "200", 200000U, 0, 102, 103);
|
|
Add(0, 3U, "201", "250", 200000U, 0, 104, 105);
|
|
Add(0, 4U, "251", "300", 200000U, 0, 106, 107);
|
|
Add(0, 5U, "301", "350", 200000U, 0, 108, 109);
|
|
Add(1, 6U, "100", "350", 200000U, 0, 109, 110);
|
|
vstorage_->LevelFiles(1)[0]->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(4U, compaction->num_input_files(0));
|
|
ASSERT_EQ(CompactionReason::kLevelL0FilesNum,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, IntraL0ForEarliestSeqno) {
|
|
// Intra L0 compaction triggers only if there are at least
|
|
// level0_file_num_compaction_trigger + 2 L0 files.
|
|
mutable_cf_options_.level0_file_num_compaction_trigger = 3;
|
|
mutable_cf_options_.max_compaction_bytes = 999999u;
|
|
NewVersionStorage(6, kCompactionStyleLevel);
|
|
|
|
// 4 out of 6 L0 files will be picked for intra L0 compaction due to
|
|
// being_compact limit. And the latest one L0 will be skipped due to earliest
|
|
// seqno. The one L1 file spans entire L0 key range and is marked as being
|
|
// compacted to avoid L0->L1 compaction.
|
|
Add(1, 1U, "100", "350", 200000U, 0, 110, 111);
|
|
Add(0, 2U, "301", "350", 1U, 0, 108, 109);
|
|
Add(0, 3U, "251", "300", 1U, 0, 106, 107);
|
|
Add(0, 4U, "201", "250", 1U, 0, 104, 105);
|
|
Add(0, 5U, "151", "200", 1U, 0, 102, 103);
|
|
Add(0, 6U, "100", "150", 1U, 0, 100, 101);
|
|
Add(0, 7U, "100", "100", 1U, 0, 99, 100);
|
|
vstorage_->LevelFiles(0)[5]->being_compacted = true;
|
|
vstorage_->LevelFiles(1)[0]->being_compacted = true;
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(level_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_, 107));
|
|
ASSERT_TRUE(compaction.get() != nullptr);
|
|
ASSERT_EQ(1U, compaction->num_input_levels());
|
|
ASSERT_EQ(4U, compaction->num_input_files(0));
|
|
ASSERT_EQ(CompactionReason::kLevelL0FilesNum,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
}
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
TEST_F(CompactionPickerTest, UniversalMarkedCompactionFullOverlap) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
// This test covers the case where a "regular" universal compaction is
|
|
// scheduled first, followed by a delete triggered compaction. The latter
|
|
// should fail
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", 2 * kFileSize, 0, 401, 450);
|
|
Add(0, 4U, "260", "300", 4 * kFileSize, 0, 260, 300);
|
|
Add(3, 5U, "010", "080", 8 * kFileSize, 0, 200, 251);
|
|
Add(4, 3U, "301", "350", 8 * kFileSize, 0, 101, 150);
|
|
Add(4, 6U, "501", "750", 8 * kFileSize, 0, 101, 150);
|
|
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a compaction to reduce sorted runs
|
|
ASSERT_EQ(CompactionReason::kUniversalSortedRunNum,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
|
|
AddVersionStorage();
|
|
// Simulate a flush and mark the file for compaction
|
|
Add(0, 7U, "150", "200", kFileSize, 0, 551, 600, 0, true);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction2(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_FALSE(compaction2);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedCompactionFullOverlap2) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
// This test covers the case where a delete triggered compaction is
|
|
// scheduled first, followed by a "regular" compaction. The latter
|
|
// should fail
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
// Mark file number 4 for compaction
|
|
Add(0, 4U, "260", "300", 4 * kFileSize, 0, 260, 300, 0, true);
|
|
Add(3, 5U, "240", "290", 8 * kFileSize, 0, 201, 250);
|
|
Add(4, 3U, "301", "350", 8 * kFileSize, 0, 101, 150);
|
|
Add(4, 6U, "501", "750", 8 * kFileSize, 0, 101, 150);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a delete triggered compaction
|
|
ASSERT_EQ(CompactionReason::kFilesMarkedForCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(3, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
|
|
AddVersionStorage();
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", 2 * kFileSize, 0, 401, 450);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction2(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_FALSE(compaction2);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedCompactionStartOutputOverlap) {
|
|
// The case where universal periodic compaction can be picked
|
|
// with some newer files being compacted.
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
|
|
bool input_level_overlap = false;
|
|
bool output_level_overlap = false;
|
|
// Let's mark 2 files in 2 different levels for compaction. The
|
|
// compaction picker will randomly pick one, so use the sync point to
|
|
// ensure a deterministic order. Loop until both cases are covered
|
|
size_t random_index = 0;
|
|
SyncPoint::GetInstance()->SetCallBack(
|
|
"CompactionPicker::PickFilesMarkedForCompaction", [&](void* arg) {
|
|
size_t* index = static_cast<size_t*>(arg);
|
|
*index = random_index;
|
|
});
|
|
SyncPoint::GetInstance()->EnableProcessing();
|
|
while (!input_level_overlap || !output_level_overlap) {
|
|
// Ensure that the L0 file gets picked first
|
|
random_index = !input_level_overlap ? 0 : 1;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
NewVersionStorage(5, kCompactionStyleUniversal);
|
|
|
|
Add(0, 1U, "260", "300", 4 * kFileSize, 0, 260, 300, 0, true);
|
|
Add(3, 2U, "010", "020", 2 * kFileSize, 0, 201, 248);
|
|
Add(3, 3U, "250", "270", 2 * kFileSize, 0, 202, 249);
|
|
Add(3, 4U, "290", "310", 2 * kFileSize, 0, 203, 250);
|
|
Add(3, 5U, "310", "320", 2 * kFileSize, 0, 204, 251, 0, true);
|
|
Add(4, 6U, "301", "350", 8 * kFileSize, 0, 101, 150);
|
|
Add(4, 7U, "501", "750", 8 * kFileSize, 0, 101, 150);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a delete triggered compaction
|
|
ASSERT_EQ(CompactionReason::kFilesMarkedForCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_TRUE(compaction->start_level() == 0 ||
|
|
compaction->start_level() == 3);
|
|
if (compaction->start_level() == 0) {
|
|
// The L0 file was picked. The next compaction will detect an
|
|
// overlap on its input level
|
|
input_level_overlap = true;
|
|
ASSERT_EQ(3, compaction->output_level());
|
|
ASSERT_EQ(1U, compaction->num_input_files(0));
|
|
ASSERT_EQ(3U, compaction->num_input_files(1));
|
|
} else {
|
|
// The level 3 file was picked. The next compaction will pick
|
|
// the L0 file and will detect overlap when adding output
|
|
// level inputs
|
|
output_level_overlap = true;
|
|
ASSERT_EQ(4, compaction->output_level());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
ASSERT_EQ(1U, compaction->num_input_files(1));
|
|
}
|
|
|
|
vstorage_->ComputeCompactionScore(ioptions_, mutable_cf_options_);
|
|
// After recomputing the compaction score, only one marked file will remain
|
|
random_index = 0;
|
|
std::unique_ptr<Compaction> compaction2(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_FALSE(compaction2);
|
|
DeleteVersionStorage();
|
|
}
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedL0NoOverlap) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
// This test covers the case where a delete triggered compaction is
|
|
// scheduled and should result in a full compaction
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
|
|
// Mark file number 4 for compaction
|
|
Add(0, 4U, "260", "300", 1 * kFileSize, 0, 260, 300, 0, true);
|
|
Add(0, 5U, "240", "290", 2 * kFileSize, 0, 201, 250);
|
|
Add(0, 3U, "301", "350", 4 * kFileSize, 0, 101, 150);
|
|
Add(0, 6U, "501", "750", 8 * kFileSize, 0, 50, 100);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a delete triggered compaction
|
|
ASSERT_EQ(CompactionReason::kFilesMarkedForCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(4U, compaction->num_input_files(0));
|
|
ASSERT_TRUE(file_map_[4].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[5].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[3].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[6].first->being_compacted);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedL0WithOverlap) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
// This test covers the case where a file is being compacted, and a
|
|
// delete triggered compaction is then scheduled. The latter should stop
|
|
// at the first file being compacted
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
|
|
// Mark file number 4 for compaction
|
|
Add(0, 4U, "260", "300", 1 * kFileSize, 0, 260, 300, 0, true);
|
|
Add(0, 5U, "240", "290", 2 * kFileSize, 0, 201, 250);
|
|
Add(0, 3U, "301", "350", 4 * kFileSize, 0, 101, 150);
|
|
Add(0, 6U, "501", "750", 8 * kFileSize, 0, 50, 100);
|
|
UpdateVersionStorageInfo();
|
|
file_map_[3].first->being_compacted = true;
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a delete triggered compaction
|
|
ASSERT_EQ(CompactionReason::kFilesMarkedForCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(2U, compaction->num_input_files(0));
|
|
ASSERT_TRUE(file_map_[4].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[5].first->being_compacted);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedL0Overlap2) {
|
|
const uint64_t kFileSize = 100000;
|
|
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
// This test covers the case where a delete triggered compaction is
|
|
// scheduled first, followed by a "regular" compaction. The latter
|
|
// should fail
|
|
NewVersionStorage(1, kCompactionStyleUniversal);
|
|
|
|
// Mark file number 4 for compaction
|
|
Add(0, 4U, "260", "300", 1 * kFileSize, 0, 260, 300);
|
|
Add(0, 5U, "240", "290", 2 * kFileSize, 0, 201, 250, 0, true);
|
|
Add(0, 3U, "301", "350", 4 * kFileSize, 0, 101, 150);
|
|
Add(0, 6U, "501", "750", 8 * kFileSize, 0, 50, 100);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
// Validate that its a delete triggered compaction
|
|
ASSERT_EQ(CompactionReason::kFilesMarkedForCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(0, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(3U, compaction->num_input_files(0));
|
|
ASSERT_TRUE(file_map_[5].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[3].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[6].first->being_compacted);
|
|
|
|
AddVersionStorage();
|
|
Add(0, 1U, "150", "200", kFileSize, 0, 500, 550);
|
|
Add(0, 2U, "201", "250", kFileSize, 0, 401, 450);
|
|
UpdateVersionStorageInfo();
|
|
|
|
std::unique_ptr<Compaction> compaction2(
|
|
universal_compaction_picker.PickCompaction(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
&log_buffer_));
|
|
ASSERT_TRUE(compaction2);
|
|
ASSERT_EQ(3U, compaction->num_input_files(0));
|
|
ASSERT_TRUE(file_map_[1].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[2].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[4].first->being_compacted);
|
|
}
|
|
|
|
TEST_F(CompactionPickerTest, UniversalMarkedManualCompaction) {
|
|
const uint64_t kFileSize = 100000;
|
|
const int kNumLevels = 7;
|
|
|
|
// This test makes sure the `files_marked_for_compaction_` is updated after
|
|
// creating manual compaction.
|
|
ioptions_.compaction_style = kCompactionStyleUniversal;
|
|
UniversalCompactionPicker universal_compaction_picker(ioptions_, &icmp_);
|
|
|
|
NewVersionStorage(kNumLevels, kCompactionStyleUniversal);
|
|
|
|
// Add 3 files marked for compaction
|
|
Add(0, 3U, "301", "350", 4 * kFileSize, 0, 101, 150, 0, true);
|
|
Add(0, 4U, "260", "300", 1 * kFileSize, 0, 260, 300, 0, true);
|
|
Add(0, 5U, "240", "290", 2 * kFileSize, 0, 201, 250, 0, true);
|
|
UpdateVersionStorageInfo();
|
|
|
|
// All 3 files are marked for compaction
|
|
ASSERT_EQ(3U, vstorage_->FilesMarkedForCompaction().size());
|
|
|
|
bool manual_conflict = false;
|
|
InternalKey* manual_end = NULL;
|
|
std::unique_ptr<Compaction> compaction(
|
|
universal_compaction_picker.CompactRange(
|
|
cf_name_, mutable_cf_options_, mutable_db_options_, vstorage_.get(),
|
|
ColumnFamilyData::kCompactAllLevels, 6, CompactRangeOptions(), NULL,
|
|
NULL, &manual_end, &manual_conflict, port::kMaxUint64));
|
|
|
|
ASSERT_TRUE(compaction);
|
|
|
|
ASSERT_EQ(CompactionReason::kManualCompaction,
|
|
compaction->compaction_reason());
|
|
ASSERT_EQ(kNumLevels - 1, compaction->output_level());
|
|
ASSERT_EQ(0, compaction->start_level());
|
|
ASSERT_EQ(3U, compaction->num_input_files(0));
|
|
ASSERT_TRUE(file_map_[3].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[4].first->being_compacted);
|
|
ASSERT_TRUE(file_map_[5].first->being_compacted);
|
|
|
|
// After creating the manual compaction, all files should be cleared from
|
|
// `FilesMarkedForCompaction`. So they won't be picked by others.
|
|
ASSERT_EQ(0U, vstorage_->FilesMarkedForCompaction().size());
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|
|
int main(int argc, char** argv) {
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|