mirror of https://github.com/facebook/rocksdb.git
308 lines
10 KiB
C++
308 lines
10 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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// This source code is also licensed under the GPLv2 license found in the
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// COPYING file in the root directory of this source tree.
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#include <string>
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#include "db/version_edit.h"
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#include "db/version_set.h"
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#include "util/logging.h"
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#include "util/string_util.h"
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#include "util/testharness.h"
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#include "util/testutil.h"
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namespace rocksdb {
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class VersionBuilderTest : 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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VersionStorageInfo vstorage_;
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uint32_t file_num_;
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CompactionOptionsFIFO fifo_options_;
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std::vector<uint64_t> size_being_compacted_;
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VersionBuilderTest()
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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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vstorage_(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel,
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nullptr, false),
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file_num_(1) {
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mutable_cf_options_.RefreshDerivedOptions(ioptions_);
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size_being_compacted_.resize(options_.num_levels);
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}
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~VersionBuilderTest() {
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for (int i = 0; i < vstorage_.num_levels(); i++) {
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for (auto* f : vstorage_.LevelFiles(i)) {
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if (--f->refs == 0) {
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delete f;
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}
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}
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}
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}
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InternalKey GetInternalKey(const char* ukey,
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SequenceNumber smallest_seq = 100) {
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return InternalKey(ukey, smallest_seq, kTypeValue);
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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 = 0, uint32_t path_id = 0,
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SequenceNumber smallest_seq = 100, SequenceNumber largest_seq = 100,
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uint64_t num_entries = 0, uint64_t num_deletions = 0,
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bool sampled = false, SequenceNumber smallest_seqno = 0,
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SequenceNumber largest_seqno = 0) {
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assert(level < vstorage_.num_levels());
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FileMetaData* f = new FileMetaData;
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f->fd = FileDescriptor(file_number, path_id, file_size);
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f->smallest = GetInternalKey(smallest, smallest_seq);
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f->largest = GetInternalKey(largest, largest_seq);
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f->smallest_seqno = smallest_seqno;
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f->largest_seqno = largest_seqno;
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f->compensated_file_size = file_size;
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f->refs = 0;
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f->num_entries = num_entries;
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f->num_deletions = num_deletions;
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vstorage_.AddFile(level, f);
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if (sampled) {
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f->init_stats_from_file = true;
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vstorage_.UpdateAccumulatedStats(f);
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}
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}
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void UpdateVersionStorageInfo() {
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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_.CalculateBaseBytes(ioptions_, mutable_cf_options_);
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vstorage_.GenerateLevel0NonOverlapping();
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vstorage_.SetFinalized();
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}
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};
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void UnrefFilesInVersion(VersionStorageInfo* new_vstorage) {
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for (int i = 0; i < new_vstorage->num_levels(); i++) {
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for (auto* f : new_vstorage->LevelFiles(i)) {
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if (--f->refs == 0) {
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delete f;
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}
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}
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}
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}
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TEST_F(VersionBuilderTest, ApplyAndSaveTo) {
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Add(0, 1U, "150", "200", 100U);
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Add(1, 66U, "150", "200", 100U);
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Add(1, 88U, "201", "300", 100U);
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Add(2, 6U, "150", "179", 100U);
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Add(2, 7U, "180", "220", 100U);
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Add(2, 8U, "221", "300", 100U);
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Add(3, 26U, "150", "170", 100U);
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Add(3, 27U, "171", "179", 100U);
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Add(3, 28U, "191", "220", 100U);
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Add(3, 29U, "221", "300", 100U);
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UpdateVersionStorageInfo();
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VersionEdit version_edit;
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version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"),
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GetInternalKey("350"), 200, 200, false);
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version_edit.DeleteFile(3, 27U);
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EnvOptions env_options;
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VersionBuilder version_builder(env_options, nullptr, &vstorage_);
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VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleLevel, nullptr, false);
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version_builder.Apply(&version_edit);
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version_builder.SaveTo(&new_vstorage);
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ASSERT_EQ(400U, new_vstorage.NumLevelBytes(2));
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ASSERT_EQ(300U, new_vstorage.NumLevelBytes(3));
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UnrefFilesInVersion(&new_vstorage);
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}
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TEST_F(VersionBuilderTest, ApplyAndSaveToDynamic) {
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ioptions_.level_compaction_dynamic_level_bytes = true;
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Add(0, 1U, "150", "200", 100U, 0, 200U, 200U, 0, 0, false, 200U, 200U);
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Add(0, 88U, "201", "300", 100U, 0, 100U, 100U, 0, 0, false, 100U, 100U);
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Add(4, 6U, "150", "179", 100U);
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Add(4, 7U, "180", "220", 100U);
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Add(4, 8U, "221", "300", 100U);
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Add(5, 26U, "150", "170", 100U);
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Add(5, 27U, "171", "179", 100U);
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UpdateVersionStorageInfo();
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VersionEdit version_edit;
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version_edit.AddFile(3, 666, 0, 100U, GetInternalKey("301"),
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GetInternalKey("350"), 200, 200, false);
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version_edit.DeleteFile(0, 1U);
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version_edit.DeleteFile(0, 88U);
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EnvOptions env_options;
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VersionBuilder version_builder(env_options, nullptr, &vstorage_);
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VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleLevel, nullptr, false);
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version_builder.Apply(&version_edit);
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version_builder.SaveTo(&new_vstorage);
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ASSERT_EQ(0U, new_vstorage.NumLevelBytes(0));
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ASSERT_EQ(100U, new_vstorage.NumLevelBytes(3));
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ASSERT_EQ(300U, new_vstorage.NumLevelBytes(4));
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ASSERT_EQ(200U, new_vstorage.NumLevelBytes(5));
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UnrefFilesInVersion(&new_vstorage);
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}
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TEST_F(VersionBuilderTest, ApplyAndSaveToDynamic2) {
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ioptions_.level_compaction_dynamic_level_bytes = true;
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Add(0, 1U, "150", "200", 100U, 0, 200U, 200U, 0, 0, false, 200U, 200U);
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Add(0, 88U, "201", "300", 100U, 0, 100U, 100U, 0, 0, false, 100U, 100U);
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Add(4, 6U, "150", "179", 100U);
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Add(4, 7U, "180", "220", 100U);
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Add(4, 8U, "221", "300", 100U);
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Add(5, 26U, "150", "170", 100U);
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Add(5, 27U, "171", "179", 100U);
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UpdateVersionStorageInfo();
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VersionEdit version_edit;
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version_edit.AddFile(4, 666, 0, 100U, GetInternalKey("301"),
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GetInternalKey("350"), 200, 200, false);
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version_edit.DeleteFile(0, 1U);
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version_edit.DeleteFile(0, 88U);
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version_edit.DeleteFile(4, 6U);
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version_edit.DeleteFile(4, 7U);
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version_edit.DeleteFile(4, 8U);
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EnvOptions env_options;
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VersionBuilder version_builder(env_options, nullptr, &vstorage_);
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VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleLevel, nullptr, false);
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version_builder.Apply(&version_edit);
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version_builder.SaveTo(&new_vstorage);
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ASSERT_EQ(0U, new_vstorage.NumLevelBytes(0));
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ASSERT_EQ(100U, new_vstorage.NumLevelBytes(4));
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ASSERT_EQ(200U, new_vstorage.NumLevelBytes(5));
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UnrefFilesInVersion(&new_vstorage);
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}
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TEST_F(VersionBuilderTest, ApplyMultipleAndSaveTo) {
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UpdateVersionStorageInfo();
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VersionEdit version_edit;
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version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"),
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GetInternalKey("350"), 200, 200, false);
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version_edit.AddFile(2, 676, 0, 100U, GetInternalKey("401"),
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GetInternalKey("450"), 200, 200, false);
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version_edit.AddFile(2, 636, 0, 100U, GetInternalKey("601"),
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GetInternalKey("650"), 200, 200, false);
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version_edit.AddFile(2, 616, 0, 100U, GetInternalKey("501"),
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GetInternalKey("550"), 200, 200, false);
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version_edit.AddFile(2, 606, 0, 100U, GetInternalKey("701"),
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GetInternalKey("750"), 200, 200, false);
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EnvOptions env_options;
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VersionBuilder version_builder(env_options, nullptr, &vstorage_);
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VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleLevel, nullptr, false);
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version_builder.Apply(&version_edit);
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version_builder.SaveTo(&new_vstorage);
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ASSERT_EQ(500U, new_vstorage.NumLevelBytes(2));
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UnrefFilesInVersion(&new_vstorage);
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}
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TEST_F(VersionBuilderTest, ApplyDeleteAndSaveTo) {
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UpdateVersionStorageInfo();
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EnvOptions env_options;
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VersionBuilder version_builder(env_options, nullptr, &vstorage_);
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VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels,
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kCompactionStyleLevel, nullptr, false);
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VersionEdit version_edit;
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version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"),
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GetInternalKey("350"), 200, 200, false);
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version_edit.AddFile(2, 676, 0, 100U, GetInternalKey("401"),
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GetInternalKey("450"), 200, 200, false);
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version_edit.AddFile(2, 636, 0, 100U, GetInternalKey("601"),
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GetInternalKey("650"), 200, 200, false);
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version_edit.AddFile(2, 616, 0, 100U, GetInternalKey("501"),
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GetInternalKey("550"), 200, 200, false);
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version_edit.AddFile(2, 606, 0, 100U, GetInternalKey("701"),
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GetInternalKey("750"), 200, 200, false);
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version_builder.Apply(&version_edit);
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VersionEdit version_edit2;
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version_edit.AddFile(2, 808, 0, 100U, GetInternalKey("901"),
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GetInternalKey("950"), 200, 200, false);
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version_edit2.DeleteFile(2, 616);
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version_edit2.DeleteFile(2, 636);
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version_edit.AddFile(2, 806, 0, 100U, GetInternalKey("801"),
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GetInternalKey("850"), 200, 200, false);
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version_builder.Apply(&version_edit2);
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version_builder.SaveTo(&new_vstorage);
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ASSERT_EQ(300U, new_vstorage.NumLevelBytes(2));
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UnrefFilesInVersion(&new_vstorage);
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}
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TEST_F(VersionBuilderTest, EstimatedActiveKeys) {
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const uint32_t kTotalSamples = 20;
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const uint32_t kNumLevels = 5;
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const uint32_t kFilesPerLevel = 8;
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const uint32_t kNumFiles = kNumLevels * kFilesPerLevel;
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const uint32_t kEntriesPerFile = 1000;
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const uint32_t kDeletionsPerFile = 100;
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for (uint32_t i = 0; i < kNumFiles; ++i) {
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Add(static_cast<int>(i / kFilesPerLevel), i + 1,
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ToString((i + 100) * 1000).c_str(),
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ToString((i + 100) * 1000 + 999).c_str(),
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100U, 0, 100, 100,
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kEntriesPerFile, kDeletionsPerFile,
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(i < kTotalSamples));
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}
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// minus 2X for the number of deletion entries because:
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// 1x for deletion entry does not count as a data entry.
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// 1x for each deletion entry will actually remove one data entry.
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ASSERT_EQ(vstorage_.GetEstimatedActiveKeys(),
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(kEntriesPerFile - 2 * kDeletionsPerFile) * kNumFiles);
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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