// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. // This source code is licensed under both the GPLv2 (found in the // COPYING file in the root directory) and Apache 2.0 License // (found in the LICENSE.Apache file in the root directory). #include #include #include #include #include #include "db/version_edit.h" #include "db/version_set.h" #include "rocksdb/advanced_options.h" #include "table/unique_id_impl.h" #include "test_util/testharness.h" #include "test_util/testutil.h" #include "util/string_util.h" namespace ROCKSDB_NAMESPACE { class VersionBuilderTest : public testing::Test { public: const Comparator* ucmp_; InternalKeyComparator icmp_; Options options_; ImmutableOptions ioptions_; MutableCFOptions mutable_cf_options_; VersionStorageInfo vstorage_; uint32_t file_num_; CompactionOptionsFIFO fifo_options_; std::vector size_being_compacted_; VersionBuilderTest() : ucmp_(BytewiseComparator()), icmp_(ucmp_), ioptions_(options_), mutable_cf_options_(options_), vstorage_(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false), file_num_(1) { mutable_cf_options_.RefreshDerivedOptions(ioptions_); size_being_compacted_.resize(options_.num_levels); } ~VersionBuilderTest() override { for (int i = 0; i < vstorage_.num_levels(); i++) { for (auto* f : vstorage_.LevelFiles(i)) { if (--f->refs == 0) { delete f; } } } } InternalKey GetInternalKey(const char* ukey, SequenceNumber smallest_seq = 100) { return InternalKey(ukey, smallest_seq, kTypeValue); } void Add(int level, uint64_t file_number, const char* smallest, const char* largest, uint64_t file_size = 0, uint32_t path_id = 0, SequenceNumber smallest_seq = 100, SequenceNumber largest_seq = 100, uint64_t num_entries = 0, uint64_t num_deletions = 0, bool sampled = false, SequenceNumber smallest_seqno = 0, SequenceNumber largest_seqno = 0, uint64_t oldest_blob_file_number = kInvalidBlobFileNumber, uint64_t epoch_number = kUnknownEpochNumber) { assert(level < vstorage_.num_levels()); FileMetaData* f = new FileMetaData( file_number, path_id, file_size, GetInternalKey(smallest, smallest_seq), GetInternalKey(largest, largest_seq), smallest_seqno, largest_seqno, /* marked_for_compact */ false, Temperature::kUnknown, oldest_blob_file_number, kUnknownOldestAncesterTime, kUnknownFileCreationTime, epoch_number, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); f->compensated_file_size = file_size; f->num_entries = num_entries; f->num_deletions = num_deletions; vstorage_.AddFile(level, f); if (sampled) { f->init_stats_from_file = true; vstorage_.UpdateAccumulatedStats(f); } } void AddBlob(uint64_t blob_file_number, uint64_t total_blob_count, uint64_t total_blob_bytes, std::string checksum_method, std::string checksum_value, BlobFileMetaData::LinkedSsts linked_ssts, uint64_t garbage_blob_count, uint64_t garbage_blob_bytes) { auto shared_meta = SharedBlobFileMetaData::Create( blob_file_number, total_blob_count, total_blob_bytes, std::move(checksum_method), std::move(checksum_value)); auto meta = BlobFileMetaData::Create(std::move(shared_meta), std::move(linked_ssts), garbage_blob_count, garbage_blob_bytes); vstorage_.AddBlobFile(std::move(meta)); } void AddDummyFile(uint64_t table_file_number, uint64_t blob_file_number, uint64_t epoch_number) { constexpr int level = 0; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr uint64_t file_size = 100; constexpr uint32_t path_id = 0; constexpr SequenceNumber smallest_seq = 0; constexpr SequenceNumber largest_seq = 0; constexpr uint64_t num_entries = 0; constexpr uint64_t num_deletions = 0; constexpr bool sampled = false; Add(level, table_file_number, smallest, largest, file_size, path_id, smallest_seq, largest_seq, num_entries, num_deletions, sampled, smallest_seq, largest_seq, blob_file_number, epoch_number); } void AddDummyFileToEdit(VersionEdit* edit, uint64_t table_file_number, uint64_t blob_file_number, uint64_t epoch_number) { assert(edit); constexpr int level = 0; constexpr uint32_t path_id = 0; constexpr uint64_t file_size = 100; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr SequenceNumber smallest_seqno = 100; constexpr SequenceNumber largest_seqno = 300; constexpr bool marked_for_compaction = false; edit->AddFile(level, table_file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, blob_file_number, kUnknownOldestAncesterTime, kUnknownFileCreationTime, epoch_number, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); } void UpdateVersionStorageInfo(VersionStorageInfo* vstorage) { assert(vstorage); vstorage->PrepareForVersionAppend(ioptions_, mutable_cf_options_); vstorage->SetFinalized(); } void UpdateVersionStorageInfo() { UpdateVersionStorageInfo(&vstorage_); } }; void UnrefFilesInVersion(VersionStorageInfo* new_vstorage) { for (int i = 0; i < new_vstorage->num_levels(); i++) { for (auto* f : new_vstorage->LevelFiles(i)) { if (--f->refs == 0) { delete f; } } } } TEST_F(VersionBuilderTest, ApplyAndSaveTo) { Add(0, 1U, "150", "200", 100U, /*path_id*/ 0, /*smallest_seq*/ 100, /*largest_seq*/ 100, /*num_entries*/ 0, /*num_deletions*/ 0, /*sampled*/ false, /*smallest_seqno*/ 0, /*largest_seqno*/ 0, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 1); Add(1, 66U, "150", "200", 100U); Add(1, 88U, "201", "300", 100U); Add(2, 6U, "150", "179", 100U); Add(2, 7U, "180", "220", 100U); Add(2, 8U, "221", "300", 100U); Add(3, 26U, "150", "170", 100U); Add(3, 27U, "171", "179", 100U); Add(3, 28U, "191", "220", 100U); Add(3, 29U, "221", "300", 100U); UpdateVersionStorageInfo(); VersionEdit version_edit; version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"), GetInternalKey("350"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.DeleteFile(3, 27U); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false); ASSERT_OK(version_builder.Apply(&version_edit)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(400U, new_vstorage.NumLevelBytes(2)); ASSERT_EQ(300U, new_vstorage.NumLevelBytes(3)); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyAndSaveToDynamic) { ioptions_.level_compaction_dynamic_level_bytes = true; Add(0, 1U, "150", "200", 100U, 0, 200U, 200U, 0, 0, false, 200U, 200U, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 2); Add(0, 88U, "201", "300", 100U, 0, 100U, 100U, 0, 0, false, 100U, 100U, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 1); Add(4, 6U, "150", "179", 100U); Add(4, 7U, "180", "220", 100U); Add(4, 8U, "221", "300", 100U); Add(5, 26U, "150", "170", 100U); Add(5, 27U, "171", "179", 100U); UpdateVersionStorageInfo(); VersionEdit version_edit; version_edit.AddFile(3, 666, 0, 100U, GetInternalKey("301"), GetInternalKey("350"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.DeleteFile(0, 1U); version_edit.DeleteFile(0, 88U); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false); ASSERT_OK(version_builder.Apply(&version_edit)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(0U, new_vstorage.NumLevelBytes(0)); ASSERT_EQ(100U, new_vstorage.NumLevelBytes(3)); ASSERT_EQ(300U, new_vstorage.NumLevelBytes(4)); ASSERT_EQ(200U, new_vstorage.NumLevelBytes(5)); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyAndSaveToDynamic2) { ioptions_.level_compaction_dynamic_level_bytes = true; Add(0, 1U, "150", "200", 100U, 0, 200U, 200U, 0, 0, false, 200U, 200U, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 2); Add(0, 88U, "201", "300", 100U, 0, 100U, 100U, 0, 0, false, 100U, 100U, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 1); Add(4, 6U, "150", "179", 100U); Add(4, 7U, "180", "220", 100U); Add(4, 8U, "221", "300", 100U); Add(5, 26U, "150", "170", 100U); Add(5, 27U, "171", "179", 100U); UpdateVersionStorageInfo(); VersionEdit version_edit; version_edit.AddFile(4, 666, 0, 100U, GetInternalKey("301"), GetInternalKey("350"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.DeleteFile(0, 1U); version_edit.DeleteFile(0, 88U); version_edit.DeleteFile(4, 6U); version_edit.DeleteFile(4, 7U); version_edit.DeleteFile(4, 8U); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false); ASSERT_OK(version_builder.Apply(&version_edit)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(0U, new_vstorage.NumLevelBytes(0)); ASSERT_EQ(100U, new_vstorage.NumLevelBytes(4)); ASSERT_EQ(200U, new_vstorage.NumLevelBytes(5)); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyMultipleAndSaveTo) { UpdateVersionStorageInfo(); VersionEdit version_edit; version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"), GetInternalKey("350"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 676, 0, 100U, GetInternalKey("401"), GetInternalKey("450"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 636, 0, 100U, GetInternalKey("601"), GetInternalKey("650"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 616, 0, 100U, GetInternalKey("501"), GetInternalKey("550"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 606, 0, 100U, GetInternalKey("701"), GetInternalKey("750"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false); ASSERT_OK(version_builder.Apply(&version_edit)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(500U, new_vstorage.NumLevelBytes(2)); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyDeleteAndSaveTo) { UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, false); VersionEdit version_edit; version_edit.AddFile(2, 666, 0, 100U, GetInternalKey("301"), GetInternalKey("350"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 676, 0, 100U, GetInternalKey("401"), GetInternalKey("450"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 636, 0, 100U, GetInternalKey("601"), GetInternalKey("650"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 616, 0, 100U, GetInternalKey("501"), GetInternalKey("550"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit.AddFile(2, 606, 0, 100U, GetInternalKey("701"), GetInternalKey("750"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); ASSERT_OK(version_builder.Apply(&version_edit)); VersionEdit version_edit2; version_edit.AddFile(2, 808, 0, 100U, GetInternalKey("901"), GetInternalKey("950"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit2.DeleteFile(2, 616); version_edit2.DeleteFile(2, 636); version_edit.AddFile(2, 806, 0, 100U, GetInternalKey("801"), GetInternalKey("850"), 200, 200, false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); ASSERT_OK(version_builder.Apply(&version_edit2)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(300U, new_vstorage.NumLevelBytes(2)); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyFileDeletionIncorrectLevel) { constexpr int level = 1; constexpr uint64_t file_number = 2345; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr uint64_t file_size = 100; Add(level, file_number, smallest, largest, file_size); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr int incorrect_level = 3; edit.DeleteFile(incorrect_level, file_number); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Cannot delete table file #2345 from level 3 since " "it is on level 1")); } TEST_F(VersionBuilderTest, ApplyFileDeletionNotInLSMTree) { UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr int level = 3; constexpr uint64_t file_number = 1234; edit.DeleteFile(level, file_number); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Cannot delete table file #1234 from level 3 since " "it is not in the LSM tree")); } TEST_F(VersionBuilderTest, ApplyFileDeletionAndAddition) { constexpr int level = 1; constexpr uint64_t file_number = 2345; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr uint64_t file_size = 10000; constexpr uint32_t path_id = 0; constexpr SequenceNumber smallest_seq = 100; constexpr SequenceNumber largest_seq = 500; constexpr uint64_t num_entries = 0; constexpr uint64_t num_deletions = 0; constexpr bool sampled = false; constexpr SequenceNumber smallest_seqno = 1; constexpr SequenceNumber largest_seqno = 1000; Add(level, file_number, smallest, largest, file_size, path_id, smallest_seq, largest_seq, num_entries, num_deletions, sampled, smallest_seqno, largest_seqno); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit deletion; deletion.DeleteFile(level, file_number); ASSERT_OK(builder.Apply(&deletion)); VersionEdit addition; constexpr bool marked_for_compaction = false; addition.AddFile(level, file_number, path_id, file_size, GetInternalKey(smallest, smallest_seq), GetInternalKey(largest, largest_seq), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); ASSERT_OK(builder.Apply(&addition)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_EQ(new_vstorage.GetFileLocation(file_number).GetLevel(), level); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyFileAdditionAlreadyInBase) { constexpr int level = 1; constexpr uint64_t file_number = 2345; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr uint64_t file_size = 10000; Add(level, file_number, smallest, largest, file_size); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr int new_level = 2; constexpr uint32_t path_id = 0; constexpr SequenceNumber smallest_seqno = 100; constexpr SequenceNumber largest_seqno = 1000; constexpr bool marked_for_compaction = false; edit.AddFile(new_level, file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Cannot add table file #2345 to level 2 since it is " "already in the LSM tree on level 1")); } TEST_F(VersionBuilderTest, ApplyFileAdditionAlreadyApplied) { UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr int level = 3; constexpr uint64_t file_number = 2345; constexpr uint32_t path_id = 0; constexpr uint64_t file_size = 10000; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr SequenceNumber smallest_seqno = 100; constexpr SequenceNumber largest_seqno = 1000; constexpr bool marked_for_compaction = false; edit.AddFile(level, file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); ASSERT_OK(builder.Apply(&edit)); VersionEdit other_edit; constexpr int new_level = 2; other_edit.AddFile(new_level, file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); const Status s = builder.Apply(&other_edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Cannot add table file #2345 to level 2 since it is " "already in the LSM tree on level 3")); } TEST_F(VersionBuilderTest, ApplyFileAdditionAndDeletion) { UpdateVersionStorageInfo(); constexpr int level = 1; constexpr uint64_t file_number = 2345; constexpr uint32_t path_id = 0; constexpr uint64_t file_size = 10000; constexpr char smallest[] = "bar"; constexpr char largest[] = "foo"; constexpr SequenceNumber smallest_seqno = 100; constexpr SequenceNumber largest_seqno = 1000; constexpr bool marked_for_compaction = false; EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit addition; addition.AddFile(level, file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); ASSERT_OK(builder.Apply(&addition)); VersionEdit deletion; deletion.DeleteFile(level, file_number); ASSERT_OK(builder.Apply(&deletion)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); ASSERT_FALSE(new_vstorage.GetFileLocation(file_number).IsValid()); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyBlobFileAddition) { UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; edit.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); // Add dummy table file to ensure the blob file is referenced. constexpr uint64_t table_file_number = 1; AddDummyFileToEdit(&edit, table_file_number, blob_file_number, 1 /*epoch_number*/); ASSERT_OK(builder.Apply(&edit)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); const auto& new_blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(new_blob_files.size(), 1); const auto new_meta = new_vstorage.GetBlobFileMetaData(blob_file_number); ASSERT_NE(new_meta, nullptr); ASSERT_EQ(new_meta->GetBlobFileNumber(), blob_file_number); ASSERT_EQ(new_meta->GetTotalBlobCount(), total_blob_count); ASSERT_EQ(new_meta->GetTotalBlobBytes(), total_blob_bytes); ASSERT_EQ(new_meta->GetChecksumMethod(), checksum_method); ASSERT_EQ(new_meta->GetChecksumValue(), checksum_value); ASSERT_EQ(new_meta->GetLinkedSsts(), BlobFileMetaData::LinkedSsts{table_file_number}); ASSERT_EQ(new_meta->GetGarbageBlobCount(), 0); ASSERT_EQ(new_meta->GetGarbageBlobBytes(), 0); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyBlobFileAdditionAlreadyInBase) { // Attempt to add a blob file that is already present in the base version. constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; constexpr uint64_t garbage_blob_count = 123; constexpr uint64_t garbage_blob_bytes = 456789; AddBlob(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value, BlobFileMetaData::LinkedSsts(), garbage_blob_count, garbage_blob_bytes); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; edit.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Blob file #1234 already added")); } TEST_F(VersionBuilderTest, ApplyBlobFileAdditionAlreadyApplied) { // Attempt to add the same blob file twice using version edits. UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; edit.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); ASSERT_OK(builder.Apply(&edit)); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Blob file #1234 already added")); } TEST_F(VersionBuilderTest, ApplyBlobFileGarbageFileInBase) { // Increase the amount of garbage for a blob file present in the base version. constexpr uint64_t table_file_number = 1; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; constexpr uint64_t garbage_blob_count = 123; constexpr uint64_t garbage_blob_bytes = 456789; AddBlob(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value, BlobFileMetaData::LinkedSsts{table_file_number}, garbage_blob_count, garbage_blob_bytes); const auto meta = vstorage_.GetBlobFileMetaData(blob_file_number); ASSERT_NE(meta, nullptr); // Add dummy table file to ensure the blob file is referenced. AddDummyFile(table_file_number, blob_file_number, 1 /*epoch_number*/); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr uint64_t new_garbage_blob_count = 456; constexpr uint64_t new_garbage_blob_bytes = 111111; edit.AddBlobFileGarbage(blob_file_number, new_garbage_blob_count, new_garbage_blob_bytes); ASSERT_OK(builder.Apply(&edit)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); const auto& new_blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(new_blob_files.size(), 1); const auto new_meta = new_vstorage.GetBlobFileMetaData(blob_file_number); ASSERT_NE(new_meta, nullptr); ASSERT_EQ(new_meta->GetSharedMeta(), meta->GetSharedMeta()); ASSERT_EQ(new_meta->GetBlobFileNumber(), blob_file_number); ASSERT_EQ(new_meta->GetTotalBlobCount(), total_blob_count); ASSERT_EQ(new_meta->GetTotalBlobBytes(), total_blob_bytes); ASSERT_EQ(new_meta->GetChecksumMethod(), checksum_method); ASSERT_EQ(new_meta->GetChecksumValue(), checksum_value); ASSERT_EQ(new_meta->GetLinkedSsts(), BlobFileMetaData::LinkedSsts{table_file_number}); ASSERT_EQ(new_meta->GetGarbageBlobCount(), garbage_blob_count + new_garbage_blob_count); ASSERT_EQ(new_meta->GetGarbageBlobBytes(), garbage_blob_bytes + new_garbage_blob_bytes); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyBlobFileGarbageFileAdditionApplied) { // Increase the amount of garbage for a blob file added using a version edit. UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit addition; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; addition.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); // Add dummy table file to ensure the blob file is referenced. constexpr uint64_t table_file_number = 1; AddDummyFileToEdit(&addition, table_file_number, blob_file_number, 1 /*epoch_number*/); ASSERT_OK(builder.Apply(&addition)); constexpr uint64_t garbage_blob_count = 123; constexpr uint64_t garbage_blob_bytes = 456789; VersionEdit garbage; garbage.AddBlobFileGarbage(blob_file_number, garbage_blob_count, garbage_blob_bytes); ASSERT_OK(builder.Apply(&garbage)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); const auto& new_blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(new_blob_files.size(), 1); const auto new_meta = new_vstorage.GetBlobFileMetaData(blob_file_number); ASSERT_NE(new_meta, nullptr); ASSERT_EQ(new_meta->GetBlobFileNumber(), blob_file_number); ASSERT_EQ(new_meta->GetTotalBlobCount(), total_blob_count); ASSERT_EQ(new_meta->GetTotalBlobBytes(), total_blob_bytes); ASSERT_EQ(new_meta->GetChecksumMethod(), checksum_method); ASSERT_EQ(new_meta->GetChecksumValue(), checksum_value); ASSERT_EQ(new_meta->GetLinkedSsts(), BlobFileMetaData::LinkedSsts{table_file_number}); ASSERT_EQ(new_meta->GetGarbageBlobCount(), garbage_blob_count); ASSERT_EQ(new_meta->GetGarbageBlobBytes(), garbage_blob_bytes); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, ApplyBlobFileGarbageFileNotFound) { // Attempt to increase the amount of garbage for a blob file that is // neither in the base version, nor was it added using a version edit. UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t garbage_blob_count = 5678; constexpr uint64_t garbage_blob_bytes = 999999; edit.AddBlobFileGarbage(blob_file_number, garbage_blob_count, garbage_blob_bytes); const Status s = builder.Apply(&edit); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr(s.getState(), "Blob file #1234 not found")); } TEST_F(VersionBuilderTest, BlobFileGarbageOverflow) { // Test that VersionEdits that would result in the count/total size of garbage // exceeding the count/total size of all blobs are rejected. UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit addition; constexpr uint64_t blob_file_number = 1234; constexpr uint64_t total_blob_count = 5678; constexpr uint64_t total_blob_bytes = 999999; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52" "\x5c\xbd"; addition.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); // Add dummy table file to ensure the blob file is referenced. constexpr uint64_t table_file_number = 1; AddDummyFileToEdit(&addition, table_file_number, blob_file_number, 1 /*epoch_number*/); ASSERT_OK(builder.Apply(&addition)); { // Garbage blob count overflow constexpr uint64_t garbage_blob_count = 5679; constexpr uint64_t garbage_blob_bytes = 999999; VersionEdit garbage; garbage.AddBlobFileGarbage(blob_file_number, garbage_blob_count, garbage_blob_bytes); const Status s = builder.Apply(&garbage); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE( std::strstr(s.getState(), "Garbage overflow for blob file #1234")); } { // Garbage blob bytes overflow constexpr uint64_t garbage_blob_count = 5678; constexpr uint64_t garbage_blob_bytes = 1000000; VersionEdit garbage; garbage.AddBlobFileGarbage(blob_file_number, garbage_blob_count, garbage_blob_bytes); const Status s = builder.Apply(&garbage); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE( std::strstr(s.getState(), "Garbage overflow for blob file #1234")); } } TEST_F(VersionBuilderTest, SaveBlobFilesTo) { // Add three blob files to base version. for (uint64_t i = 1; i <= 3; ++i) { const uint64_t table_file_number = 2 * i; const uint64_t blob_file_number = 2 * i + 1; const uint64_t total_blob_count = i * 1000; const uint64_t total_blob_bytes = i * 1000000; const uint64_t garbage_blob_count = i * 100; const uint64_t garbage_blob_bytes = i * 20000; AddBlob(blob_file_number, total_blob_count, total_blob_bytes, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{table_file_number}, garbage_blob_count, garbage_blob_bytes); } // Add dummy table files to ensure the blob files are referenced. // Note: files are added to L0, so they have to be added in reverse order // (newest first). for (uint64_t i = 3; i >= 1; --i) { const uint64_t table_file_number = 2 * i; const uint64_t blob_file_number = 2 * i + 1; AddDummyFile(table_file_number, blob_file_number, i /*epoch_number*/); } UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; // Add some garbage to the second and third blob files. The second blob file // remains valid since it does not consist entirely of garbage yet. The third // blob file is all garbage after the edit and will not be part of the new // version. The corresponding dummy table file is also removed for // consistency. edit.AddBlobFileGarbage(/* blob_file_number */ 5, /* garbage_blob_count */ 200, /* garbage_blob_bytes */ 100000); edit.AddBlobFileGarbage(/* blob_file_number */ 7, /* garbage_blob_count */ 2700, /* garbage_blob_bytes */ 2940000); edit.DeleteFile(/* level */ 0, /* file_number */ 6); // Add a fourth blob file. edit.AddBlobFile(/* blob_file_number */ 9, /* total_blob_count */ 4000, /* total_blob_bytes */ 4000000, /* checksum_method */ std::string(), /* checksum_value */ std::string()); ASSERT_OK(builder.Apply(&edit)); constexpr bool force_consistency_checks = false; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); const auto& new_blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(new_blob_files.size(), 3); const auto meta3 = new_vstorage.GetBlobFileMetaData(/* blob_file_number */ 3); ASSERT_NE(meta3, nullptr); ASSERT_EQ(meta3->GetBlobFileNumber(), 3); ASSERT_EQ(meta3->GetTotalBlobCount(), 1000); ASSERT_EQ(meta3->GetTotalBlobBytes(), 1000000); ASSERT_EQ(meta3->GetGarbageBlobCount(), 100); ASSERT_EQ(meta3->GetGarbageBlobBytes(), 20000); const auto meta5 = new_vstorage.GetBlobFileMetaData(/* blob_file_number */ 5); ASSERT_NE(meta5, nullptr); ASSERT_EQ(meta5->GetBlobFileNumber(), 5); ASSERT_EQ(meta5->GetTotalBlobCount(), 2000); ASSERT_EQ(meta5->GetTotalBlobBytes(), 2000000); ASSERT_EQ(meta5->GetGarbageBlobCount(), 400); ASSERT_EQ(meta5->GetGarbageBlobBytes(), 140000); const auto meta9 = new_vstorage.GetBlobFileMetaData(/* blob_file_number */ 9); ASSERT_NE(meta9, nullptr); ASSERT_EQ(meta9->GetBlobFileNumber(), 9); ASSERT_EQ(meta9->GetTotalBlobCount(), 4000); ASSERT_EQ(meta9->GetTotalBlobBytes(), 4000000); ASSERT_EQ(meta9->GetGarbageBlobCount(), 0); ASSERT_EQ(meta9->GetGarbageBlobBytes(), 0); // Delete the first table file, which makes the first blob file obsolete // since it's at the head and unreferenced. VersionBuilder second_builder(env_options, &ioptions_, table_cache, &new_vstorage, version_set); VersionEdit second_edit; second_edit.DeleteFile(/* level */ 0, /* file_number */ 2); ASSERT_OK(second_builder.Apply(&second_edit)); VersionStorageInfo newer_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &new_vstorage, force_consistency_checks); ASSERT_OK(second_builder.SaveTo(&newer_vstorage)); UpdateVersionStorageInfo(&newer_vstorage); const auto& newer_blob_files = newer_vstorage.GetBlobFiles(); ASSERT_EQ(newer_blob_files.size(), 2); const auto newer_meta3 = newer_vstorage.GetBlobFileMetaData(/* blob_file_number */ 3); ASSERT_EQ(newer_meta3, nullptr); UnrefFilesInVersion(&newer_vstorage); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, SaveBlobFilesToConcurrentJobs) { // When multiple background jobs (flushes/compactions) are executing in // parallel, it is possible for the VersionEdit adding blob file K to be // applied *after* the VersionEdit adding blob file N (for N > K). This test // case makes sure this is handled correctly. // Add blob file #4 (referenced by table file #3) to base version. constexpr uint64_t base_table_file_number = 3; constexpr uint64_t base_blob_file_number = 4; constexpr uint64_t base_total_blob_count = 100; constexpr uint64_t base_total_blob_bytes = 1 << 20; constexpr char checksum_method[] = "SHA1"; constexpr char checksum_value[] = "\xfa\xce\xb0\x0c"; constexpr uint64_t garbage_blob_count = 0; constexpr uint64_t garbage_blob_bytes = 0; AddDummyFile(base_table_file_number, base_blob_file_number, 1 /*epoch_number*/); AddBlob(base_blob_file_number, base_total_blob_count, base_total_blob_bytes, checksum_method, checksum_value, BlobFileMetaData::LinkedSsts{base_table_file_number}, garbage_blob_count, garbage_blob_bytes); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; // Add blob file #2 (referenced by table file #1). constexpr int level = 0; constexpr uint64_t table_file_number = 1; constexpr uint32_t path_id = 0; constexpr uint64_t file_size = 1 << 12; constexpr char smallest[] = "key1"; constexpr char largest[] = "key987"; constexpr SequenceNumber smallest_seqno = 0; constexpr SequenceNumber largest_seqno = 0; constexpr bool marked_for_compaction = false; constexpr uint64_t blob_file_number = 2; static_assert(blob_file_number < base_blob_file_number, "Added blob file should have a smaller file number"); constexpr uint64_t total_blob_count = 234; constexpr uint64_t total_blob_bytes = 1 << 22; edit.AddFile( level, table_file_number, path_id, file_size, GetInternalKey(smallest), GetInternalKey(largest), smallest_seqno, largest_seqno, marked_for_compaction, Temperature::kUnknown, blob_file_number, kUnknownOldestAncesterTime, kUnknownFileCreationTime, 2 /*epoch_number*/, checksum_value, checksum_method, kNullUniqueId64x2, 0, 0); edit.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes, checksum_method, checksum_value); ASSERT_OK(builder.Apply(&edit)); constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); const auto& new_blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(new_blob_files.size(), 2); const auto base_meta = new_vstorage.GetBlobFileMetaData(base_blob_file_number); ASSERT_NE(base_meta, nullptr); ASSERT_EQ(base_meta->GetBlobFileNumber(), base_blob_file_number); ASSERT_EQ(base_meta->GetTotalBlobCount(), base_total_blob_count); ASSERT_EQ(base_meta->GetTotalBlobBytes(), base_total_blob_bytes); ASSERT_EQ(base_meta->GetGarbageBlobCount(), garbage_blob_count); ASSERT_EQ(base_meta->GetGarbageBlobBytes(), garbage_blob_bytes); ASSERT_EQ(base_meta->GetChecksumMethod(), checksum_method); ASSERT_EQ(base_meta->GetChecksumValue(), checksum_value); const auto added_meta = new_vstorage.GetBlobFileMetaData(blob_file_number); ASSERT_NE(added_meta, nullptr); ASSERT_EQ(added_meta->GetBlobFileNumber(), blob_file_number); ASSERT_EQ(added_meta->GetTotalBlobCount(), total_blob_count); ASSERT_EQ(added_meta->GetTotalBlobBytes(), total_blob_bytes); ASSERT_EQ(added_meta->GetGarbageBlobCount(), garbage_blob_count); ASSERT_EQ(added_meta->GetGarbageBlobBytes(), garbage_blob_bytes); ASSERT_EQ(added_meta->GetChecksumMethod(), checksum_method); ASSERT_EQ(added_meta->GetChecksumValue(), checksum_value); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, CheckConsistencyForBlobFiles) { // Initialize base version. The first table file points to a valid blob file // in this version; the second one does not refer to any blob files. Add(/* level */ 1, /* file_number */ 1, /* smallest */ "150", /* largest */ "200", /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ 100, /* largest_seq */ 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ 100, /* largest_seqno */ 100, /* oldest_blob_file_number */ 16); Add(/* level */ 1, /* file_number */ 23, /* smallest */ "201", /* largest */ "300", /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ 200, /* largest_seq */ 200, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ 200, /* largest_seqno */ 200, kInvalidBlobFileNumber); AddBlob(/* blob_file_number */ 16, /* total_blob_count */ 1000, /* total_blob_bytes */ 1000000, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{1}, /* garbage_blob_count */ 500, /* garbage_blob_bytes */ 300000); UpdateVersionStorageInfo(); // Add a new table file that points to the existing blob file, and add a // new table file--blob file pair. EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; edit.AddFile(/* level */ 1, /* file_number */ 606, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("701"), /* largest */ GetInternalKey("750"), /* smallest_seqno */ 200, /* largest_seqno */ 200, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ 16, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); edit.AddFile(/* level */ 1, /* file_number */ 700, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("801"), /* largest */ GetInternalKey("850"), /* smallest_seqno */ 200, /* largest_seqno */ 200, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ 1000, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); edit.AddBlobFile(/* blob_file_number */ 1000, /* total_blob_count */ 2000, /* total_blob_bytes */ 200000, /* checksum_method */ std::string(), /* checksum_value */ std::string()); ASSERT_OK(builder.Apply(&edit)); // Save to a new version in order to trigger consistency checks. constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, CheckConsistencyForBlobFilesInconsistentLinks) { // Initialize base version. Links between the table file and the blob file // are inconsistent. Add(/* level */ 1, /* file_number */ 1, /* smallest */ "150", /* largest */ "200", /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ 100, /* largest_seq */ 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ 100, /* largest_seqno */ 100, /* oldest_blob_file_number */ 256); AddBlob(/* blob_file_number */ 16, /* total_blob_count */ 1000, /* total_blob_bytes */ 1000000, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{1}, /* garbage_blob_count */ 500, /* garbage_blob_bytes */ 300000); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); // Save to a new version in order to trigger consistency checks. constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); const Status s = builder.SaveTo(&new_vstorage); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE(std::strstr( s.getState(), "Links are inconsistent between table files and blob file #16")); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, CheckConsistencyForBlobFilesAllGarbage) { // Initialize base version. The table file points to a blob file that is // all garbage. Add(/* level */ 1, /* file_number */ 1, /* smallest */ "150", /* largest */ "200", /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ 100, /* largest_seq */ 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ 100, /* largest_seqno */ 100, /* oldest_blob_file_number */ 16); AddBlob(/* blob_file_number */ 16, /* total_blob_count */ 1000, /* total_blob_bytes */ 1000000, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{1}, /* garbage_blob_count */ 1000, /* garbage_blob_bytes */ 1000000); UpdateVersionStorageInfo(); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); // Save to a new version in order to trigger consistency checks. constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); const Status s = builder.SaveTo(&new_vstorage); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE( std::strstr(s.getState(), "Blob file #16 consists entirely of garbage")); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, CheckConsistencyForBlobFilesAllGarbageLinkedSsts) { // Initialize base version, with a table file pointing to a blob file // that has no garbage at this point. Add(/* level */ 1, /* file_number */ 1, /* smallest */ "150", /* largest */ "200", /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ 100, /* largest_seq */ 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ 100, /* largest_seqno */ 100, /* oldest_blob_file_number */ 16); AddBlob(/* blob_file_number */ 16, /* total_blob_count */ 1000, /* total_blob_bytes */ 1000000, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{1}, /* garbage_blob_count */ 0, /* garbage_blob_bytes */ 0); UpdateVersionStorageInfo(); // Mark the entire blob file garbage but do not remove the linked SST. EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionEdit edit; edit.AddBlobFileGarbage(/* blob_file_number */ 16, /* garbage_blob_count */ 1000, /* garbage_blob_bytes */ 1000000); ASSERT_OK(builder.Apply(&edit)); // Save to a new version in order to trigger consistency checks. constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); const Status s = builder.SaveTo(&new_vstorage); ASSERT_TRUE(s.IsCorruption()); ASSERT_TRUE( std::strstr(s.getState(), "Blob file #16 consists entirely of garbage")); UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, MaintainLinkedSstsForBlobFiles) { // Initialize base version. Table files 1..10 are linked to blob files 1..5, // while table files 11..20 are not linked to any blob files. for (uint64_t i = 1; i <= 10; ++i) { std::ostringstream oss; oss << std::setw(2) << std::setfill('0') << i; const std::string key = oss.str(); Add(/* level */ 1, /* file_number */ i, /* smallest */ key.c_str(), /* largest */ key.c_str(), /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ i * 100, /* largest_seq */ i * 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ i * 100, /* largest_seqno */ i * 100, /* oldest_blob_file_number */ ((i - 1) % 5) + 1); } for (uint64_t i = 1; i <= 5; ++i) { AddBlob(/* blob_file_number */ i, /* total_blob_count */ 2000, /* total_blob_bytes */ 2000000, /* checksum_method */ std::string(), /* checksum_value */ std::string(), BlobFileMetaData::LinkedSsts{i, i + 5}, /* garbage_blob_count */ 1000, /* garbage_blob_bytes */ 1000000); } for (uint64_t i = 11; i <= 20; ++i) { std::ostringstream oss; oss << std::setw(2) << std::setfill('0') << i; const std::string key = oss.str(); Add(/* level */ 1, /* file_number */ i, /* smallest */ key.c_str(), /* largest */ key.c_str(), /* file_size */ 100, /* path_id */ 0, /* smallest_seq */ i * 100, /* largest_seq */ i * 100, /* num_entries */ 0, /* num_deletions */ 0, /* sampled */ false, /* smallest_seqno */ i * 100, /* largest_seqno */ i * 100, kInvalidBlobFileNumber); } UpdateVersionStorageInfo(); { const auto& blob_files = vstorage_.GetBlobFiles(); ASSERT_EQ(blob_files.size(), 5); const std::vector expected_linked_ssts{ {1, 6}, {2, 7}, {3, 8}, {4, 9}, {5, 10}}; for (size_t i = 0; i < 5; ++i) { const auto meta = vstorage_.GetBlobFileMetaData(/* blob_file_number */ i + 1); ASSERT_NE(meta, nullptr); ASSERT_EQ(meta->GetLinkedSsts(), expected_linked_ssts[i]); } } VersionEdit edit; // Add an SST that references a blob file. edit.AddFile( /* level */ 1, /* file_number */ 21, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("21", 2100), /* largest */ GetInternalKey("21", 2100), /* smallest_seqno */ 2100, /* largest_seqno */ 2100, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ 1, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); // Add an SST that does not reference any blob files. edit.AddFile( /* level */ 1, /* file_number */ 22, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("22", 2200), /* largest */ GetInternalKey("22", 2200), /* smallest_seqno */ 2200, /* largest_seqno */ 2200, /* marked_for_compaction */ false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); // Delete a file that references a blob file. edit.DeleteFile(/* level */ 1, /* file_number */ 6); // Delete a file that does not reference any blob files. edit.DeleteFile(/* level */ 1, /* file_number */ 16); // Trivially move a file that references a blob file. Note that we save // the original BlobFileMetaData object so we can check that no new object // gets created. auto meta3 = vstorage_.GetBlobFileMetaData(/* blob_file_number */ 3); edit.DeleteFile(/* level */ 1, /* file_number */ 3); edit.AddFile(/* level */ 2, /* file_number */ 3, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("03", 300), /* largest */ GetInternalKey("03", 300), /* smallest_seqno */ 300, /* largest_seqno */ 300, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ 3, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); // Trivially move a file that does not reference any blob files. edit.DeleteFile(/* level */ 1, /* file_number */ 13); edit.AddFile(/* level */ 2, /* file_number */ 13, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("13", 1300), /* largest */ GetInternalKey("13", 1300), /* smallest_seqno */ 1300, /* largest_seqno */ 1300, /* marked_for_compaction */ false, Temperature::kUnknown, kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); // Add one more SST file that references a blob file, then promptly // delete it in a second version edit before the new version gets saved. // This file should not show up as linked to the blob file in the new version. edit.AddFile(/* level */ 1, /* file_number */ 23, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("23", 2300), /* largest */ GetInternalKey("23", 2300), /* smallest_seqno */ 2300, /* largest_seqno */ 2300, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ 5, kUnknownOldestAncesterTime, kUnknownFileCreationTime, kUnknownEpochNumber, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); VersionEdit edit2; edit2.DeleteFile(/* level */ 1, /* file_number */ 23); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); ASSERT_OK(builder.Apply(&edit)); ASSERT_OK(builder.Apply(&edit2)); constexpr bool force_consistency_checks = true; VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, &vstorage_, force_consistency_checks); ASSERT_OK(builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); { const auto& blob_files = new_vstorage.GetBlobFiles(); ASSERT_EQ(blob_files.size(), 5); const std::vector expected_linked_ssts{ {1, 21}, {2, 7}, {3, 8}, {4, 9}, {5, 10}}; for (size_t i = 0; i < 5; ++i) { const auto meta = new_vstorage.GetBlobFileMetaData(/* blob_file_number */ i + 1); ASSERT_NE(meta, nullptr); ASSERT_EQ(meta->GetLinkedSsts(), expected_linked_ssts[i]); } // Make sure that no new BlobFileMetaData got created for the blob file // affected by the trivial move. ASSERT_EQ(new_vstorage.GetBlobFileMetaData(/* blob_file_number */ 3), meta3); } UnrefFilesInVersion(&new_vstorage); } TEST_F(VersionBuilderTest, CheckConsistencyForFileDeletedTwice) { Add(0, 1U, "150", "200", 100, /*path_id*/ 0, /*smallest_seq*/ 100, /*largest_seq*/ 100, /*num_entries*/ 0, /*num_deletions*/ 0, /*sampled*/ false, /*smallest_seqno*/ 0, /*largest_seqno*/ 0, /*oldest_blob_file_number*/ kInvalidBlobFileNumber, /*epoch_number*/ 1); UpdateVersionStorageInfo(); VersionEdit version_edit; version_edit.DeleteFile(0, 1U); EnvOptions env_options; constexpr TableCache* table_cache = nullptr; constexpr VersionSet* version_set = nullptr; VersionBuilder version_builder(env_options, &ioptions_, table_cache, &vstorage_, version_set); VersionStorageInfo new_vstorage(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, true /* force_consistency_checks */); ASSERT_OK(version_builder.Apply(&version_edit)); ASSERT_OK(version_builder.SaveTo(&new_vstorage)); UpdateVersionStorageInfo(&new_vstorage); VersionBuilder version_builder2(env_options, &ioptions_, table_cache, &new_vstorage, version_set); VersionStorageInfo new_vstorage2(&icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr, true /* force_consistency_checks */); ASSERT_NOK(version_builder2.Apply(&version_edit)); UnrefFilesInVersion(&new_vstorage); UnrefFilesInVersion(&new_vstorage2); } TEST_F(VersionBuilderTest, CheckConsistencyForL0FilesSortedByEpochNumber) { Status s; // To verify files of same epoch number of overlapping ranges are caught as // corrupted VersionEdit version_edit_1; version_edit_1.AddFile( /* level */ 0, /* file_number */ 1U, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("a", 1), /* largest */ GetInternalKey("c", 3), /* smallest_seqno */ 1, /* largest_seqno */ 3, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, 1 /* epoch_number */, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit_1.AddFile( /* level */ 0, /* file_number */ 2U, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("b", 2), /* largest */ GetInternalKey("d", 4), /* smallest_seqno */ 2, /* largest_seqno */ 4, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, 1 /* epoch_number */, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); VersionBuilder version_builder_1(EnvOptions(), &ioptions_, nullptr /* table_cache */, &vstorage_, nullptr /* file_metadata_cache_res_mgr */); VersionStorageInfo new_vstorage_1( &icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr /* src_vstorage */, true /* force_consistency_checks */); ASSERT_OK(version_builder_1.Apply(&version_edit_1)); s = version_builder_1.SaveTo(&new_vstorage_1); EXPECT_TRUE(s.IsCorruption()); EXPECT_TRUE(std::strstr( s.getState(), "L0 files of same epoch number but overlapping range")); UnrefFilesInVersion(&new_vstorage_1); // To verify L0 files not sorted by epoch_number are caught as corrupted VersionEdit version_edit_2; version_edit_2.AddFile( /* level */ 0, /* file_number */ 1U, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("a", 1), /* largest */ GetInternalKey("a", 1), /* smallest_seqno */ 1, /* largest_seqno */ 1, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, 1 /* epoch_number */, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); version_edit_2.AddFile( /* level */ 0, /* file_number */ 2U, /* path_id */ 0, /* file_size */ 100, /* smallest */ GetInternalKey("b", 2), /* largest */ GetInternalKey("b", 2), /* smallest_seqno */ 2, /* largest_seqno */ 2, /* marked_for_compaction */ false, Temperature::kUnknown, /* oldest_blob_file_number */ kInvalidBlobFileNumber, kUnknownOldestAncesterTime, kUnknownFileCreationTime, 2 /* epoch_number */, kUnknownFileChecksum, kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0); VersionBuilder version_builder_2(EnvOptions(), &ioptions_, nullptr /* table_cache */, &vstorage_, nullptr /* file_metadata_cache_res_mgr */); VersionStorageInfo new_vstorage_2( &icmp_, ucmp_, options_.num_levels, kCompactionStyleLevel, nullptr /* src_vstorage */, true /* force_consistency_checks */); ASSERT_OK(version_builder_2.Apply(&version_edit_2)); s = version_builder_2.SaveTo(&new_vstorage_2); ASSERT_TRUE(s.ok()); const std::vector& l0_files = new_vstorage_2.LevelFiles(0); ASSERT_EQ(l0_files.size(), 2); // Manually corrupt L0 files's epoch_number l0_files[0]->epoch_number = 1; l0_files[1]->epoch_number = 2; // To surface corruption error by applying dummy version edit VersionEdit dummy_version_edit; VersionBuilder dummy_version_builder( EnvOptions(), &ioptions_, nullptr /* table_cache */, &vstorage_, nullptr /* file_metadata_cache_res_mgr */); ASSERT_OK(dummy_version_builder.Apply(&dummy_version_edit)); s = dummy_version_builder.SaveTo(&new_vstorage_2); EXPECT_TRUE(s.IsCorruption()); EXPECT_TRUE(std::strstr(s.getState(), "L0 files are not sorted properly")); UnrefFilesInVersion(&new_vstorage_2); } TEST_F(VersionBuilderTest, EstimatedActiveKeys) { const uint32_t kTotalSamples = 20; const uint32_t kNumLevels = 5; const uint32_t kFilesPerLevel = 8; const uint32_t kNumFiles = kNumLevels * kFilesPerLevel; const uint32_t kEntriesPerFile = 1000; const uint32_t kDeletionsPerFile = 100; for (uint32_t i = 0; i < kNumFiles; ++i) { Add(static_cast(i / kFilesPerLevel), i + 1, std::to_string((i + 100) * 1000).c_str(), std::to_string((i + 100) * 1000 + 999).c_str(), 100U, 0, 100, 100, kEntriesPerFile, kDeletionsPerFile, (i < kTotalSamples)); } // minus 2X for the number of deletion entries because: // 1x for deletion entry does not count as a data entry. // 1x for each deletion entry will actually remove one data entry. ASSERT_EQ(vstorage_.GetEstimatedActiveKeys(), (kEntriesPerFile - 2 * kDeletionsPerFile) * kNumFiles); } } // namespace ROCKSDB_NAMESPACE int main(int argc, char** argv) { ROCKSDB_NAMESPACE::port::InstallStackTraceHandler(); ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); }