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rocksdb/db/compaction/compaction_job_test.cc

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// 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).
#ifndef ROCKSDB_LITE
#include "db/compaction/compaction_job.h"
#include <algorithm>
#include <array>
#include <cinttypes>
#include <map>
#include <string>
#include <tuple>
#include "db/blob/blob_index.h"
#include "db/column_family.h"
#include "db/db_impl/db_impl.h"
#include "db/error_handler.h"
#include "db/version_set.h"
#include "file/random_access_file_reader.h"
#include "file/writable_file_writer.h"
#include "options/options_helper.h"
#include "rocksdb/cache.h"
#include "rocksdb/convenience.h"
#include "rocksdb/db.h"
#include "rocksdb/file_system.h"
#include "rocksdb/options.h"
#include "rocksdb/write_buffer_manager.h"
#include "table/mock_table.h"
#include "table/unique_id_impl.h"
#include "test_util/testharness.h"
#include "test_util/testutil.h"
#include "util/string_util.h"
#include "utilities/merge_operators.h"
namespace ROCKSDB_NAMESPACE {
namespace {
void VerifyInitializationOfCompactionJobStats(
const CompactionJobStats& compaction_job_stats) {
#if !defined(IOS_CROSS_COMPILE)
ASSERT_EQ(compaction_job_stats.elapsed_micros, 0U);
ASSERT_EQ(compaction_job_stats.num_input_records, 0U);
ASSERT_EQ(compaction_job_stats.num_input_files, 0U);
ASSERT_EQ(compaction_job_stats.num_input_files_at_output_level, 0U);
ASSERT_EQ(compaction_job_stats.num_output_records, 0U);
ASSERT_EQ(compaction_job_stats.num_output_files, 0U);
ASSERT_EQ(compaction_job_stats.is_manual_compaction, true);
ASSERT_EQ(compaction_job_stats.total_input_bytes, 0U);
ASSERT_EQ(compaction_job_stats.total_output_bytes, 0U);
ASSERT_EQ(compaction_job_stats.total_input_raw_key_bytes, 0U);
ASSERT_EQ(compaction_job_stats.total_input_raw_value_bytes, 0U);
ASSERT_EQ(compaction_job_stats.smallest_output_key_prefix[0], 0);
ASSERT_EQ(compaction_job_stats.largest_output_key_prefix[0], 0);
ASSERT_EQ(compaction_job_stats.num_records_replaced, 0U);
ASSERT_EQ(compaction_job_stats.num_input_deletion_records, 0U);
ASSERT_EQ(compaction_job_stats.num_expired_deletion_records, 0U);
ASSERT_EQ(compaction_job_stats.num_corrupt_keys, 0U);
#endif // !defined(IOS_CROSS_COMPILE)
}
// Mock FSWritableFile for testing io priority.
// Only override the essential functions for testing compaction io priority.
class MockTestWritableFile : public FSWritableFileOwnerWrapper {
public:
MockTestWritableFile(std::unique_ptr<FSWritableFile>&& file,
Env::IOPriority io_priority)
: FSWritableFileOwnerWrapper(std::move(file)),
write_io_priority_(io_priority) {}
IOStatus Append(const Slice& data, const IOOptions& options,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Append(data, options, dbg);
}
IOStatus Append(const Slice& data, const IOOptions& options,
const DataVerificationInfo& verification_info,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Append(data, options, verification_info, dbg);
}
IOStatus Close(const IOOptions& options, IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Close(options, dbg);
}
IOStatus Flush(const IOOptions& options, IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Flush(options, dbg);
}
IOStatus Sync(const IOOptions& options, IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Sync(options, dbg);
}
IOStatus Fsync(const IOOptions& options, IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Fsync(options, dbg);
}
uint64_t GetFileSize(const IOOptions& options, IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->GetFileSize(options, dbg);
}
IOStatus RangeSync(uint64_t offset, uint64_t nbytes, const IOOptions& options,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->RangeSync(offset, nbytes, options, dbg);
}
void PrepareWrite(size_t offset, size_t len, const IOOptions& options,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
target()->PrepareWrite(offset, len, options, dbg);
}
IOStatus Allocate(uint64_t offset, uint64_t len, const IOOptions& options,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, write_io_priority_);
return target()->Allocate(offset, len, options, dbg);
}
private:
Env::IOPriority write_io_priority_;
};
// Mock FSRandomAccessFile for testing io priority.
// Only override the essential functions for testing compaction io priority.
class MockTestRandomAccessFile : public FSRandomAccessFileOwnerWrapper {
public:
MockTestRandomAccessFile(std::unique_ptr<FSRandomAccessFile>&& file,
Env::IOPriority io_priority)
: FSRandomAccessFileOwnerWrapper(std::move(file)),
read_io_priority_(io_priority) {}
IOStatus Read(uint64_t offset, size_t n, const IOOptions& options,
Slice* result, char* scratch,
IODebugContext* dbg) const override {
EXPECT_EQ(options.rate_limiter_priority, read_io_priority_);
return target()->Read(offset, n, options, result, scratch, dbg);
}
IOStatus Prefetch(uint64_t offset, size_t n, const IOOptions& options,
IODebugContext* dbg) override {
EXPECT_EQ(options.rate_limiter_priority, read_io_priority_);
return target()->Prefetch(offset, n, options, dbg);
}
private:
Env::IOPriority read_io_priority_;
};
// Mock FileSystem for testing io priority.
class MockTestFileSystem : public FileSystemWrapper {
public:
explicit MockTestFileSystem(const std::shared_ptr<FileSystem>& base,
Env::IOPriority read_io_priority,
Env::IOPriority write_io_priority)
: FileSystemWrapper(base),
read_io_priority_(read_io_priority),
write_io_priority_(write_io_priority) {}
static const char* kClassName() { return "MockTestFileSystem"; }
const char* Name() const override { return kClassName(); }
IOStatus NewRandomAccessFile(const std::string& fname,
const FileOptions& file_opts,
std::unique_ptr<FSRandomAccessFile>* result,
IODebugContext* dbg) override {
IOStatus s = target()->NewRandomAccessFile(fname, file_opts, result, dbg);
EXPECT_OK(s);
result->reset(
new MockTestRandomAccessFile(std::move(*result), read_io_priority_));
return s;
}
IOStatus NewWritableFile(const std::string& fname,
const FileOptions& file_opts,
std::unique_ptr<FSWritableFile>* result,
IODebugContext* dbg) override {
IOStatus s = target()->NewWritableFile(fname, file_opts, result, dbg);
EXPECT_OK(s);
result->reset(
new MockTestWritableFile(std::move(*result), write_io_priority_));
return s;
}
private:
Env::IOPriority read_io_priority_;
Env::IOPriority write_io_priority_;
};
enum TableTypeForTest : uint8_t { kMockTable = 0, kBlockBasedTable = 1 };
} // namespace
class CompactionJobTestBase : public testing::Test {
protected:
CompactionJobTestBase(std::string dbname, const Comparator* ucmp,
std::function<std::string(uint64_t)> encode_u64_ts,
bool test_io_priority, TableTypeForTest table_type)
: dbname_(std::move(dbname)),
ucmp_(ucmp),
db_options_(),
mutable_cf_options_(cf_options_),
mutable_db_options_(),
table_cache_(NewLRUCache(50000, 16)),
write_buffer_manager_(db_options_.db_write_buffer_size),
versions_(new VersionSet(
dbname_, &db_options_, env_options_, table_cache_.get(),
&write_buffer_manager_, &write_controller_,
/*block_cache_tracer=*/nullptr,
/*io_tracer=*/nullptr, /*db_id*/ "", /*db_session_id*/ "")),
shutting_down_(false),
mock_table_factory_(new mock::MockTableFactory()),
error_handler_(nullptr, db_options_, &mutex_),
encode_u64_ts_(std::move(encode_u64_ts)),
test_io_priority_(test_io_priority),
table_type_(table_type) {
Env* base_env = Env::Default();
EXPECT_OK(
test::CreateEnvFromSystem(ConfigOptions(), &base_env, &env_guard_));
env_ = base_env;
fs_ = env_->GetFileSystem();
// set default for the tests
mutable_cf_options_.target_file_size_base = 1024 * 1024;
mutable_cf_options_.max_compaction_bytes = 10 * 1024 * 1024;
}
void SetUp() override {
EXPECT_OK(env_->CreateDirIfMissing(dbname_));
db_options_.env = env_;
db_options_.fs = fs_;
db_options_.db_paths.emplace_back(dbname_,
std::numeric_limits<uint64_t>::max());
cf_options_.comparator = ucmp_;
if (table_type_ == TableTypeForTest::kBlockBasedTable) {
BlockBasedTableOptions table_options;
cf_options_.table_factory.reset(NewBlockBasedTableFactory(table_options));
} else if (table_type_ == TableTypeForTest::kMockTable) {
cf_options_.table_factory = mock_table_factory_;
} else {
assert(false);
}
}
std::string GenerateFileName(uint64_t file_number) {
FileMetaData meta;
std::vector<DbPath> db_paths;
db_paths.emplace_back(dbname_, std::numeric_limits<uint64_t>::max());
meta.fd = FileDescriptor(file_number, 0, 0);
return TableFileName(db_paths, meta.fd.GetNumber(), meta.fd.GetPathId());
}
std::string KeyStr(const std::string& user_key, const SequenceNumber seq_num,
const ValueType t, uint64_t ts = 0) {
std::string user_key_with_ts = user_key + encode_u64_ts_(ts);
return InternalKey(user_key_with_ts, seq_num, t).Encode().ToString();
}
static std::string BlobStr(uint64_t blob_file_number, uint64_t offset,
uint64_t size) {
std::string blob_index;
BlobIndex::EncodeBlob(&blob_index, blob_file_number, offset, size,
kNoCompression);
return blob_index;
}
static std::string BlobStrTTL(uint64_t blob_file_number, uint64_t offset,
uint64_t size, uint64_t expiration) {
std::string blob_index;
BlobIndex::EncodeBlobTTL(&blob_index, expiration, blob_file_number, offset,
size, kNoCompression);
return blob_index;
}
static std::string BlobStrInlinedTTL(const Slice& value,
uint64_t expiration) {
std::string blob_index;
BlobIndex::EncodeInlinedTTL(&blob_index, expiration, value);
return blob_index;
}
// Creates a table with the specificied key value pairs.
void CreateTable(const std::string& table_name,
const mock::KVVector& contents, uint64_t& file_size) {
std::unique_ptr<WritableFileWriter> file_writer;
Status s = WritableFileWriter::Create(fs_, table_name, FileOptions(),
&file_writer, nullptr);
ASSERT_OK(s);
std::unique_ptr<TableBuilder> table_builder(
cf_options_.table_factory->NewTableBuilder(
TableBuilderOptions(*cfd_->ioptions(), mutable_cf_options_,
cfd_->internal_comparator(),
cfd_->int_tbl_prop_collector_factories(),
CompressionType::kNoCompression,
CompressionOptions(), 0 /* column_family_id */,
kDefaultColumnFamilyName, -1 /* level */),
file_writer.get()));
// Build table.
for (auto kv : contents) {
std::string key;
std::string value;
std::tie(key, value) = kv;
table_builder->Add(key, value);
}
ASSERT_OK(table_builder->Finish());
file_size = table_builder->FileSize();
}
void AddMockFile(const mock::KVVector& contents, int level = 0) {
assert(contents.size() > 0);
bool first_key = true;
std::string smallest, largest;
InternalKey smallest_key, largest_key;
SequenceNumber smallest_seqno = kMaxSequenceNumber;
SequenceNumber largest_seqno = 0;
uint64_t oldest_blob_file_number = kInvalidBlobFileNumber;
for (auto kv : contents) {
ParsedInternalKey key;
std::string skey;
std::string value;
std::tie(skey, value) = kv;
const Status pik_status =
ParseInternalKey(skey, &key, true /* log_err_key */);
smallest_seqno = std::min(smallest_seqno, key.sequence);
largest_seqno = std::max(largest_seqno, key.sequence);
if (first_key ||
cfd_->user_comparator()->Compare(key.user_key, smallest) < 0) {
smallest.assign(key.user_key.data(), key.user_key.size());
smallest_key.DecodeFrom(skey);
}
if (first_key ||
cfd_->user_comparator()->Compare(key.user_key, largest) > 0) {
largest.assign(key.user_key.data(), key.user_key.size());
largest_key.DecodeFrom(skey);
}
first_key = false;
if (pik_status.ok() && key.type == kTypeBlobIndex) {
BlobIndex blob_index;
const Status s = blob_index.DecodeFrom(value);
if (!s.ok()) {
continue;
}
if (blob_index.IsInlined() || blob_index.HasTTL() ||
blob_index.file_number() == kInvalidBlobFileNumber) {
continue;
}
if (oldest_blob_file_number == kInvalidBlobFileNumber ||
oldest_blob_file_number > blob_index.file_number()) {
oldest_blob_file_number = blob_index.file_number();
}
}
}
uint64_t file_number = versions_->NewFileNumber();
uint64_t file_size = 0;
if (table_type_ == TableTypeForTest::kBlockBasedTable) {
CreateTable(GenerateFileName(file_number), contents, file_size);
} else if (table_type_ == TableTypeForTest::kMockTable) {
file_size = 10;
EXPECT_OK(mock_table_factory_->CreateMockTable(
env_, GenerateFileName(file_number), std::move(contents)));
} else {
assert(false);
}
VersionEdit edit;
edit.AddFile(level, file_number, 0, file_size, smallest_key, largest_key,
smallest_seqno, largest_seqno, false, Temperature::kUnknown,
oldest_blob_file_number, kUnknownOldestAncesterTime,
kUnknownFileCreationTime, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2);
mutex_.Lock();
EXPECT_OK(
versions_->LogAndApply(versions_->GetColumnFamilySet()->GetDefault(),
mutable_cf_options_, &edit, &mutex_, nullptr));
mutex_.Unlock();
}
void VerifyTables(int output_level,
const std::vector<mock::KVVector>& expected_results,
std::vector<uint64_t> expected_oldest_blob_file_numbers) {
if (expected_results.empty()) {
ASSERT_EQ(compaction_job_stats_.num_output_files, 0U);
return;
}
int expected_output_file_num = 0;
for (const auto& e : expected_results) {
if (!e.empty()) {
++expected_output_file_num;
}
}
ASSERT_EQ(expected_output_file_num, compaction_job_stats_.num_output_files);
if (expected_output_file_num == 0) {
return;
}
if (expected_oldest_blob_file_numbers.empty()) {
expected_oldest_blob_file_numbers.resize(expected_output_file_num,
kInvalidBlobFileNumber);
}
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
if (table_type_ == TableTypeForTest::kMockTable) {
ASSERT_EQ(compaction_job_stats_.num_output_files,
expected_results.size());
mock_table_factory_->AssertLatestFiles(expected_results);
} else {
assert(table_type_ == TableTypeForTest::kBlockBasedTable);
}
auto output_files =
cfd->current()->storage_info()->LevelFiles(output_level);
ASSERT_EQ(expected_output_file_num, output_files.size());
if (table_type_ == TableTypeForTest::kMockTable) {
assert(output_files.size() ==
static_cast<size_t>(expected_output_file_num));
const FileMetaData* const output_file = output_files[0];
ASSERT_EQ(output_file->oldest_blob_file_number,
expected_oldest_blob_file_numbers[0]);
return;
}
for (size_t i = 0; i < expected_results.size(); ++i) {
const FileMetaData* const output_file = output_files[i];
std::string file_name = GenerateFileName(output_file->fd.GetNumber());
const auto& fs = env_->GetFileSystem();
std::unique_ptr<RandomAccessFileReader> freader;
IOStatus ios = RandomAccessFileReader::Create(
fs, file_name, FileOptions(), &freader, nullptr);
ASSERT_OK(ios);
std::unique_ptr<TableReader> table_reader;
uint64_t file_size = output_file->fd.GetFileSize();
ReadOptions read_opts;
Status s = cf_options_.table_factory->NewTableReader(
read_opts,
TableReaderOptions(*cfd->ioptions(), nullptr, FileOptions(),
cfd_->internal_comparator()),
std::move(freader), file_size, &table_reader, false);
ASSERT_OK(s);
assert(table_reader);
std::unique_ptr<InternalIterator> iiter(
table_reader->NewIterator(read_opts, nullptr, nullptr, true,
TableReaderCaller::kUncategorized));
assert(iiter);
mock::KVVector from_db;
for (iiter->SeekToFirst(); iiter->Valid(); iiter->Next()) {
const Slice key = iiter->key();
const Slice value = iiter->value();
from_db.emplace_back(
make_pair(key.ToString(false), value.ToString(false)));
}
ASSERT_EQ(expected_results[i], from_db);
}
}
void SetLastSequence(const SequenceNumber sequence_number) {
versions_->SetLastAllocatedSequence(sequence_number + 1);
versions_->SetLastPublishedSequence(sequence_number + 1);
versions_->SetLastSequence(sequence_number + 1);
}
// returns expected result after compaction
mock::KVVector CreateTwoFiles(bool gen_corrupted_keys) {
stl_wrappers::KVMap expected_results;
constexpr int kKeysPerFile = 10000;
constexpr int kCorruptKeysPerFile = 200;
constexpr int kMatchingKeys = kKeysPerFile / 2;
SequenceNumber sequence_number = 0;
auto corrupt_id = [&](int id) {
return gen_corrupted_keys && id > 0 && id <= kCorruptKeysPerFile;
};
for (int i = 0; i < 2; ++i) {
auto contents = mock::MakeMockFile();
for (int k = 0; k < kKeysPerFile; ++k) {
auto key = std::to_string(i * kMatchingKeys + k);
auto value = std::to_string(i * kKeysPerFile + k);
InternalKey internal_key(key, ++sequence_number, kTypeValue);
// This is how the key will look like once it's written in bottommost
// file
InternalKey bottommost_internal_key(
key, 0, kTypeValue);
if (corrupt_id(k)) {
test::CorruptKeyType(&internal_key);
test::CorruptKeyType(&bottommost_internal_key);
}
contents.push_back({internal_key.Encode().ToString(), value});
if (i == 1 || k < kMatchingKeys || corrupt_id(k - kMatchingKeys)) {
expected_results.insert(
{bottommost_internal_key.Encode().ToString(), value});
}
}
mock::SortKVVector(&contents, ucmp_);
AddMockFile(contents);
}
SetLastSequence(sequence_number);
mock::KVVector expected_results_kvvector;
for (auto& kv : expected_results) {
expected_results_kvvector.push_back({kv.first, kv.second});
}
return expected_results_kvvector;
}
void NewDB() {
EXPECT_OK(DestroyDB(dbname_, Options()));
EXPECT_OK(env_->CreateDirIfMissing(dbname_));
std::shared_ptr<Logger> info_log;
DBOptions db_opts = BuildDBOptions(db_options_, mutable_db_options_);
Status s = CreateLoggerFromOptions(dbname_, db_opts, &info_log);
ASSERT_OK(s);
db_options_.info_log = info_log;
versions_.reset(
new VersionSet(dbname_, &db_options_, env_options_, table_cache_.get(),
&write_buffer_manager_, &write_controller_,
/*block_cache_tracer=*/nullptr, /*io_tracer=*/nullptr,
/*db_id*/ "", /*db_session_id*/ ""));
compaction_job_stats_.Reset();
ASSERT_OK(SetIdentityFile(env_, dbname_));
VersionEdit new_db;
new_db.SetLogNumber(0);
new_db.SetNextFile(2);
new_db.SetLastSequence(0);
const std::string manifest = DescriptorFileName(dbname_, 1);
std::unique_ptr<WritableFileWriter> file_writer;
const auto& fs = env_->GetFileSystem();
s = WritableFileWriter::Create(fs, manifest,
fs->OptimizeForManifestWrite(env_options_),
&file_writer, nullptr);
ASSERT_OK(s);
{
log::Writer log(std::move(file_writer), 0, false);
std::string record;
new_db.EncodeTo(&record);
s = log.AddRecord(record);
}
ASSERT_OK(s);
// Make "CURRENT" file that points to the new manifest file.
s = SetCurrentFile(fs_.get(), dbname_, 1, nullptr);
ASSERT_OK(s);
cf_options_.merge_operator = merge_op_;
cf_options_.compaction_filter = compaction_filter_.get();
std::vector<ColumnFamilyDescriptor> column_families;
column_families.emplace_back(kDefaultColumnFamilyName, cf_options_);
ASSERT_OK(versions_->Recover(column_families, false));
cfd_ = versions_->GetColumnFamilySet()->GetDefault();
}
// input_files[i] on input_levels[i]
void RunLastLevelCompaction(
const std::vector<std::vector<FileMetaData*>>& input_files,
const std::vector<int> input_levels,
std::function<void(Compaction& comp)>&& verify_func,
const std::vector<SequenceNumber>& snapshots = {}) {
const int kLastLevel = cf_options_.num_levels - 1;
verify_per_key_placement_ = std::move(verify_func);
mock::KVVector empty_map;
RunCompaction(input_files, input_levels, {empty_map}, snapshots,
kMaxSequenceNumber, kLastLevel, false);
}
// input_files[i] on input_levels[i]
void RunCompaction(
const std::vector<std::vector<FileMetaData*>>& input_files,
const std::vector<int>& input_levels,
const std::vector<mock::KVVector>& expected_results,
const std::vector<SequenceNumber>& snapshots = {},
SequenceNumber earliest_write_conflict_snapshot = kMaxSequenceNumber,
int output_level = 1, bool verify = true,
std::vector<uint64_t> expected_oldest_blob_file_numbers = {},
bool check_get_priority = false,
Env::IOPriority read_io_priority = Env::IO_TOTAL,
Env::IOPriority write_io_priority = Env::IO_TOTAL,
int max_subcompactions = 0) {
// For compaction, set fs as MockTestFileSystem to check the io_priority.
if (test_io_priority_) {
db_options_.fs.reset(
new MockTestFileSystem(fs_, read_io_priority, write_io_priority));
}
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
size_t num_input_files = 0;
std::vector<CompactionInputFiles> compaction_input_files;
for (size_t i = 0; i < input_files.size(); ++i) {
auto level_files = input_files[i];
CompactionInputFiles compaction_level;
compaction_level.level = input_levels[i];
compaction_level.files.insert(compaction_level.files.end(),
level_files.begin(), level_files.end());
compaction_input_files.push_back(compaction_level);
num_input_files += level_files.size();
}
std::vector<FileMetaData*> grandparents;
// it should actually be the next non-empty level
const int kGrandparentsLevel = output_level + 1;
if (kGrandparentsLevel < cf_options_.num_levels) {
grandparents =
cfd_->current()->storage_info()->LevelFiles(kGrandparentsLevel);
}
Compaction compaction(
cfd->current()->storage_info(), *cfd->ioptions(),
*cfd->GetLatestMutableCFOptions(), mutable_db_options_,
compaction_input_files, output_level,
mutable_cf_options_.target_file_size_base,
mutable_cf_options_.max_compaction_bytes, 0, kNoCompression,
cfd->GetLatestMutableCFOptions()->compression_opts,
Temperature::kUnknown, max_subcompactions, grandparents, true);
compaction.SetInputVersion(cfd->current());
assert(db_options_.info_log);
LogBuffer log_buffer(InfoLogLevel::INFO_LEVEL, db_options_.info_log.get());
mutex_.Lock();
EventLogger event_logger(db_options_.info_log.get());
// TODO(yiwu) add a mock snapshot checker and add test for it.
SnapshotChecker* snapshot_checker = nullptr;
ASSERT_TRUE(full_history_ts_low_.empty() ||
ucmp_->timestamp_size() == full_history_ts_low_.size());
const std::atomic<bool> kManualCompactionCanceledFalse{false};
CompactionJob compaction_job(
0, &compaction, db_options_, mutable_db_options_, env_options_,
versions_.get(), &shutting_down_, &log_buffer, nullptr, nullptr,
nullptr, nullptr, &mutex_, &error_handler_, snapshots,
earliest_write_conflict_snapshot, snapshot_checker, nullptr,
table_cache_, &event_logger, false, false, dbname_,
&compaction_job_stats_, Env::Priority::USER, nullptr /* IOTracer */,
/*manual_compaction_canceled=*/kManualCompactionCanceledFalse,
env_->GenerateUniqueId(), DBImpl::GenerateDbSessionId(nullptr),
full_history_ts_low_);
VerifyInitializationOfCompactionJobStats(compaction_job_stats_);
compaction_job.Prepare();
mutex_.Unlock();
Status s = compaction_job.Run();
ASSERT_OK(s);
ASSERT_OK(compaction_job.io_status());
mutex_.Lock();
ASSERT_OK(compaction_job.Install(*cfd->GetLatestMutableCFOptions()));
ASSERT_OK(compaction_job.io_status());
mutex_.Unlock();
log_buffer.FlushBufferToLog();
if (verify) {
ASSERT_GE(compaction_job_stats_.elapsed_micros, 0U);
ASSERT_EQ(compaction_job_stats_.num_input_files, num_input_files);
VerifyTables(output_level, expected_results,
expected_oldest_blob_file_numbers);
}
if (check_get_priority) {
CheckGetRateLimiterPriority(compaction_job);
}
if (verify_per_key_placement_) {
// Verify per_key_placement compaction
assert(compaction.SupportsPerKeyPlacement());
verify_per_key_placement_(compaction);
}
}
void CheckGetRateLimiterPriority(CompactionJob& compaction_job) {
// When the state from WriteController is normal.
ASSERT_EQ(compaction_job.GetRateLimiterPriority(), Env::IO_LOW);
WriteController* write_controller =
compaction_job.versions_->GetColumnFamilySet()->write_controller();
{
// When the state from WriteController is Delayed.
std::unique_ptr<WriteControllerToken> delay_token =
write_controller->GetDelayToken(1000000);
ASSERT_EQ(compaction_job.GetRateLimiterPriority(), Env::IO_USER);
}
{
// When the state from WriteController is Stopped.
std::unique_ptr<WriteControllerToken> stop_token =
write_controller->GetStopToken();
ASSERT_EQ(compaction_job.GetRateLimiterPriority(), Env::IO_USER);
}
}
std::shared_ptr<Env> env_guard_;
Env* env_;
std::shared_ptr<FileSystem> fs_;
std::string dbname_;
const Comparator* const ucmp_;
EnvOptions env_options_;
ImmutableDBOptions db_options_;
ColumnFamilyOptions cf_options_;
MutableCFOptions mutable_cf_options_;
MutableDBOptions mutable_db_options_;
std::shared_ptr<Cache> table_cache_;
WriteController write_controller_;
WriteBufferManager write_buffer_manager_;
std::unique_ptr<VersionSet> versions_;
InstrumentedMutex mutex_;
std::atomic<bool> shutting_down_;
std::shared_ptr<mock::MockTableFactory> mock_table_factory_;
CompactionJobStats compaction_job_stats_;
ColumnFamilyData* cfd_;
std::unique_ptr<CompactionFilter> compaction_filter_;
std::shared_ptr<MergeOperator> merge_op_;
ErrorHandler error_handler_;
std::string full_history_ts_low_;
const std::function<std::string(uint64_t)> encode_u64_ts_;
const bool test_io_priority_;
std::function<void(Compaction& comp)> verify_per_key_placement_;
const TableTypeForTest table_type_ = kMockTable;
};
// TODO(icanadi) Make it simpler once we mock out VersionSet
class CompactionJobTest : public CompactionJobTestBase {
public:
CompactionJobTest()
: CompactionJobTestBase(
test::PerThreadDBPath("compaction_job_test"), BytewiseComparator(),
[](uint64_t /*ts*/) { return ""; }, /*test_io_priority=*/false,
TableTypeForTest::kMockTable) {}
};
TEST_F(CompactionJobTest, Simple) {
NewDB();
auto expected_results = CreateTwoFiles(false);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
ASSERT_EQ(2U, files.size());
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, DISABLED_SimpleCorrupted) {
NewDB();
auto expected_results = CreateTwoFiles(true);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
ASSERT_EQ(compaction_job_stats_.num_corrupt_keys, 400U);
}
TEST_F(CompactionJobTest, SimpleDeletion) {
NewDB();
auto file1 = mock::MakeMockFile({{KeyStr("c", 4U, kTypeDeletion), ""},
{KeyStr("c", 3U, kTypeValue), "val"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("b", 2U, kTypeValue), "val"},
{KeyStr("b", 1U, kTypeValue), "val"}});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{KeyStr("b", 0U, kTypeValue), "val"}});
SetLastSequence(4U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, OutputNothing) {
NewDB();
auto file1 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 2U, kTypeDeletion), ""}});
AddMockFile(file2);
auto expected_results = mock::MakeMockFile();
SetLastSequence(4U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, SimpleOverwrite) {
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("a", 3U, kTypeValue), "val2"},
{KeyStr("b", 4U, kTypeValue), "val3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"},
{KeyStr("b", 2U, kTypeValue), "val"}});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "val2"},
{KeyStr("b", 0U, kTypeValue), "val3"}});
SetLastSequence(4U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, SimpleNonLastLevel) {
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeValue), "val2"},
{KeyStr("b", 6U, kTypeValue), "val3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 3U, kTypeValue), "val"},
{KeyStr("b", 4U, kTypeValue), "val"}});
AddMockFile(file2, 1);
auto file3 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"},
{KeyStr("b", 2U, kTypeValue), "val"}});
AddMockFile(file3, 2);
// Because level 1 is not the last level, the sequence numbers of a and b
// cannot be set to 0
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 5U, kTypeValue), "val2"},
{KeyStr("b", 6U, kTypeValue), "val3"}});
SetLastSequence(6U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files =
cfd_->current()->storage_info()->LevelFiles(input_levels[0]);
auto lvl1_files =
cfd_->current()->storage_info()->LevelFiles(input_levels[1]);
RunCompaction({lvl0_files, lvl1_files}, input_levels, {expected_results});
}
TEST_F(CompactionJobTest, SimpleMerge) {
merge_op_ = MergeOperators::CreateStringAppendOperator();
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeMerge), "5"},
{KeyStr("a", 4U, kTypeMerge), "4"},
{KeyStr("a", 3U, kTypeValue), "3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile(
{{KeyStr("b", 2U, kTypeMerge), "2"}, {KeyStr("b", 1U, kTypeValue), "1"}});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "3,4,5"},
{KeyStr("b", 0U, kTypeValue), "1,2"}});
SetLastSequence(5U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, NonAssocMerge) {
merge_op_ = MergeOperators::CreateStringAppendTESTOperator();
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeMerge), "5"},
{KeyStr("a", 4U, kTypeMerge), "4"},
{KeyStr("a", 3U, kTypeMerge), "3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile(
{{KeyStr("b", 2U, kTypeMerge), "2"}, {KeyStr("b", 1U, kTypeMerge), "1"}});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), "3,4,5"},
{KeyStr("b", 0U, kTypeValue), "1,2"}});
SetLastSequence(5U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
// Filters merge operands with value 10.
TEST_F(CompactionJobTest, MergeOperandFilter) {
merge_op_ = MergeOperators::CreateUInt64AddOperator();
compaction_filter_.reset(new test::FilterNumber(10U));
NewDB();
auto file1 = mock::MakeMockFile(
{{KeyStr("a", 5U, kTypeMerge), test::EncodeInt(5U)},
{KeyStr("a", 4U, kTypeMerge), test::EncodeInt(10U)}, // Filtered
{KeyStr("a", 3U, kTypeMerge), test::EncodeInt(3U)}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({
{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(2U)},
{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)} // Filtered
});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 0U, kTypeValue), test::EncodeInt(8U)},
{KeyStr("b", 0U, kTypeValue), test::EncodeInt(2U)}});
SetLastSequence(5U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, FilterSomeMergeOperands) {
merge_op_ = MergeOperators::CreateUInt64AddOperator();
compaction_filter_.reset(new test::FilterNumber(10U));
NewDB();
auto file1 = mock::MakeMockFile(
{{KeyStr("a", 5U, kTypeMerge), test::EncodeInt(5U)},
{KeyStr("a", 4U, kTypeMerge), test::EncodeInt(10U)}, // Filtered
{KeyStr("a", 3U, kTypeValue), test::EncodeInt(5U)},
{KeyStr("d", 8U, kTypeMerge), test::EncodeInt(10U)}});
AddMockFile(file1);
auto file2 =
mock::MakeMockFile({{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("c", 2U, kTypeMerge), test::EncodeInt(3U)},
{KeyStr("c", 1U, kTypeValue), test::EncodeInt(7U)},
{KeyStr("d", 1U, kTypeValue), test::EncodeInt(6U)}});
AddMockFile(file2);
auto file3 =
mock::MakeMockFile({{KeyStr("a", 1U, kTypeMerge), test::EncodeInt(3U)}});
AddMockFile(file3, 2);
auto expected_results = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeValue), test::EncodeInt(10U)},
{KeyStr("c", 2U, kTypeValue), test::EncodeInt(10U)},
{KeyStr("d", 1U, kTypeValue), test::EncodeInt(6U)}
// b does not appear because the operands are filtered
});
SetLastSequence(5U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
// Test where all operands/merge results are filtered out.
TEST_F(CompactionJobTest, FilterAllMergeOperands) {
merge_op_ = MergeOperators::CreateUInt64AddOperator();
compaction_filter_.reset(new test::FilterNumber(10U));
NewDB();
auto file1 =
mock::MakeMockFile({{KeyStr("a", 11U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("a", 10U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("a", 9U, kTypeMerge), test::EncodeInt(10U)}});
AddMockFile(file1);
auto file2 =
mock::MakeMockFile({{KeyStr("b", 8U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 7U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 6U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 5U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 4U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 3U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 2U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("c", 2U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("c", 1U, kTypeMerge), test::EncodeInt(10U)}});
AddMockFile(file2);
auto file3 =
mock::MakeMockFile({{KeyStr("a", 2U, kTypeMerge), test::EncodeInt(10U)},
{KeyStr("b", 1U, kTypeMerge), test::EncodeInt(10U)}});
AddMockFile(file3, 2);
SetLastSequence(11U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
mock::KVVector empty_map;
RunCompaction({files}, {input_level}, {empty_map});
}
TEST_F(CompactionJobTest, SimpleSingleDelete) {
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeDeletion), ""},
{KeyStr("b", 6U, kTypeSingleDeletion), ""},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 3U, kTypeValue), "val"},
{KeyStr("b", 4U, kTypeValue), "val"}});
AddMockFile(file2);
auto file3 = mock::MakeMockFile({
{KeyStr("a", 1U, kTypeValue), "val"},
});
AddMockFile(file3, 2);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 5U, kTypeDeletion), ""}});
SetLastSequence(6U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, SingleDeleteSnapshots) {
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
{KeyStr("a", 12U, kTypeSingleDeletion), ""},
{KeyStr("b", 21U, kTypeSingleDeletion), ""},
{KeyStr("c", 22U, kTypeSingleDeletion), ""},
{KeyStr("d", 9U, kTypeSingleDeletion), ""},
{KeyStr("f", 21U, kTypeSingleDeletion), ""},
{KeyStr("j", 11U, kTypeSingleDeletion), ""},
{KeyStr("j", 9U, kTypeSingleDeletion), ""},
{KeyStr("k", 12U, kTypeSingleDeletion), ""},
{KeyStr("k", 11U, kTypeSingleDeletion), ""},
{KeyStr("l", 3U, kTypeSingleDeletion), ""},
{KeyStr("l", 2U, kTypeSingleDeletion), ""},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({
{KeyStr("0", 2U, kTypeSingleDeletion), ""},
{KeyStr("a", 11U, kTypeValue), "val1"},
{KeyStr("b", 11U, kTypeValue), "val2"},
{KeyStr("c", 21U, kTypeValue), "val3"},
{KeyStr("d", 8U, kTypeValue), "val4"},
{KeyStr("e", 2U, kTypeSingleDeletion), ""},
{KeyStr("f", 1U, kTypeValue), "val1"},
{KeyStr("g", 11U, kTypeSingleDeletion), ""},
{KeyStr("h", 2U, kTypeSingleDeletion), ""},
{KeyStr("m", 12U, kTypeValue), "val1"},
{KeyStr("m", 11U, kTypeSingleDeletion), ""},
{KeyStr("m", 8U, kTypeValue), "val2"},
});
AddMockFile(file2);
auto file3 = mock::MakeMockFile({
{KeyStr("A", 1U, kTypeValue), "val"},
{KeyStr("e", 1U, kTypeValue), "val"},
});
AddMockFile(file3, 2);
auto expected_results = mock::MakeMockFile({
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
{KeyStr("a", 12U, kTypeSingleDeletion), ""},
{KeyStr("a", 11U, kTypeValue), ""},
{KeyStr("b", 21U, kTypeSingleDeletion), ""},
{KeyStr("b", 11U, kTypeValue), "val2"},
{KeyStr("c", 22U, kTypeSingleDeletion), ""},
{KeyStr("c", 21U, kTypeValue), ""},
{KeyStr("e", 2U, kTypeSingleDeletion), ""},
{KeyStr("f", 21U, kTypeSingleDeletion), ""},
{KeyStr("f", 1U, kTypeValue), "val1"},
{KeyStr("g", 11U, kTypeSingleDeletion), ""},
{KeyStr("j", 11U, kTypeSingleDeletion), ""},
{KeyStr("k", 11U, kTypeSingleDeletion), ""},
{KeyStr("m", 12U, kTypeValue), "val1"},
{KeyStr("m", 11U, kTypeSingleDeletion), ""},
{KeyStr("m", 8U, kTypeValue), "val2"},
});
SetLastSequence(22U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results}, {10U, 20U}, 10U);
}
TEST_F(CompactionJobTest, EarliestWriteConflictSnapshot) {
NewDB();
// Test multiple snapshots where the earliest snapshot is not a
// write-conflic-snapshot.
auto file1 = mock::MakeMockFile({
{KeyStr("A", 24U, kTypeSingleDeletion), ""},
{KeyStr("A", 23U, kTypeValue), "val"},
{KeyStr("B", 24U, kTypeSingleDeletion), ""},
{KeyStr("B", 23U, kTypeValue), "val"},
{KeyStr("D", 24U, kTypeSingleDeletion), ""},
{KeyStr("G", 32U, kTypeSingleDeletion), ""},
{KeyStr("G", 31U, kTypeValue), "val"},
{KeyStr("G", 24U, kTypeSingleDeletion), ""},
{KeyStr("G", 23U, kTypeValue), "val2"},
{KeyStr("H", 31U, kTypeValue), "val"},
{KeyStr("H", 24U, kTypeSingleDeletion), ""},
{KeyStr("H", 23U, kTypeValue), "val"},
{KeyStr("I", 35U, kTypeSingleDeletion), ""},
{KeyStr("I", 34U, kTypeValue), "val2"},
{KeyStr("I", 33U, kTypeSingleDeletion), ""},
{KeyStr("I", 32U, kTypeValue), "val3"},
{KeyStr("I", 31U, kTypeSingleDeletion), ""},
{KeyStr("J", 34U, kTypeValue), "val"},
{KeyStr("J", 33U, kTypeSingleDeletion), ""},
{KeyStr("J", 25U, kTypeValue), "val2"},
{KeyStr("J", 24U, kTypeSingleDeletion), ""},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({
{KeyStr("A", 14U, kTypeSingleDeletion), ""},
{KeyStr("A", 13U, kTypeValue), "val2"},
{KeyStr("C", 14U, kTypeSingleDeletion), ""},
{KeyStr("C", 13U, kTypeValue), "val"},
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
{KeyStr("F", 4U, kTypeSingleDeletion), ""},
{KeyStr("F", 3U, kTypeValue), "val"},
{KeyStr("G", 14U, kTypeSingleDeletion), ""},
{KeyStr("G", 13U, kTypeValue), "val3"},
{KeyStr("H", 14U, kTypeSingleDeletion), ""},
{KeyStr("H", 13U, kTypeValue), "val2"},
{KeyStr("I", 13U, kTypeValue), "val4"},
{KeyStr("I", 12U, kTypeSingleDeletion), ""},
{KeyStr("I", 11U, kTypeValue), "val5"},
{KeyStr("J", 15U, kTypeValue), "val3"},
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
});
AddMockFile(file2);
auto expected_results = mock::MakeMockFile({
{KeyStr("A", 24U, kTypeSingleDeletion), ""},
{KeyStr("A", 23U, kTypeValue), ""},
{KeyStr("B", 24U, kTypeSingleDeletion), ""},
{KeyStr("B", 23U, kTypeValue), ""},
{KeyStr("D", 24U, kTypeSingleDeletion), ""},
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
{KeyStr("G", 32U, kTypeSingleDeletion), ""},
{KeyStr("G", 31U, kTypeValue), ""},
{KeyStr("H", 31U, kTypeValue), "val"},
{KeyStr("I", 35U, kTypeSingleDeletion), ""},
{KeyStr("I", 34U, kTypeValue), ""},
{KeyStr("I", 31U, kTypeSingleDeletion), ""},
{KeyStr("I", 13U, kTypeValue), "val4"},
{KeyStr("J", 34U, kTypeValue), "val"},
{KeyStr("J", 33U, kTypeSingleDeletion), ""},
{KeyStr("J", 25U, kTypeValue), "val2"},
{KeyStr("J", 24U, kTypeSingleDeletion), ""},
{KeyStr("J", 15U, kTypeValue), "val3"},
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
});
SetLastSequence(24U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results}, {10U, 20U, 30U},
20U);
}
TEST_F(CompactionJobTest, SingleDeleteZeroSeq) {
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("A", 10U, kTypeSingleDeletion), ""},
{KeyStr("dummy", 5U, kTypeValue), "val2"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({
{KeyStr("A", 0U, kTypeValue), "val"},
});
AddMockFile(file2);
auto expected_results = mock::MakeMockFile({
{KeyStr("dummy", 0U, kTypeValue), "val2"},
});
SetLastSequence(22U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results}, {});
}
TEST_F(CompactionJobTest, MultiSingleDelete) {
// Tests three scenarios involving multiple single delete/put pairs:
//
// A: Put Snapshot SDel Put SDel -> Put Snapshot SDel
// B: Snapshot Put SDel Put SDel Snapshot -> Snapshot SDel Snapshot
// C: SDel Put SDel Snapshot Put -> Snapshot Put
// D: (Put) SDel Snapshot Put SDel -> (Put) SDel Snapshot SDel
// E: Put SDel Snapshot Put SDel -> Snapshot SDel
// F: Put SDel Put Sdel Snapshot -> removed
// G: Snapshot SDel Put SDel Put -> Snapshot Put SDel
// H: (Put) Put SDel Put Sdel Snapshot -> Removed
// I: (Put) Snapshot Put SDel Put SDel -> SDel
// J: Put Put SDel Put SDel SDel Snapshot Put Put SDel SDel Put
// -> Snapshot Put
// K: SDel SDel Put SDel Put Put Snapshot SDel Put SDel SDel Put SDel
// -> Snapshot Put Snapshot SDel
// L: SDel Put SDel Put SDel Snapshot SDel Put SDel SDel Put SDel
// -> Snapshot SDel Put SDel
// M: (Put) SDel Put SDel Put SDel Snapshot Put SDel SDel Put SDel SDel
// -> SDel Snapshot Put SDel
NewDB();
auto file1 = mock::MakeMockFile({
{KeyStr("A", 14U, kTypeSingleDeletion), ""},
{KeyStr("A", 13U, kTypeValue), "val5"},
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
{KeyStr("B", 14U, kTypeSingleDeletion), ""},
{KeyStr("B", 13U, kTypeValue), "val2"},
{KeyStr("C", 14U, kTypeValue), "val3"},
{KeyStr("D", 12U, kTypeSingleDeletion), ""},
{KeyStr("D", 11U, kTypeValue), "val4"},
{KeyStr("G", 15U, kTypeValue), "val"},
{KeyStr("G", 14U, kTypeSingleDeletion), ""},
{KeyStr("G", 13U, kTypeValue), "val"},
{KeyStr("I", 14U, kTypeSingleDeletion), ""},
{KeyStr("I", 13U, kTypeValue), "val"},
{KeyStr("J", 15U, kTypeValue), "val"},
{KeyStr("J", 14U, kTypeSingleDeletion), ""},
{KeyStr("J", 13U, kTypeSingleDeletion), ""},
{KeyStr("J", 12U, kTypeValue), "val"},
{KeyStr("J", 11U, kTypeValue), "val"},
{KeyStr("K", 16U, kTypeSingleDeletion), ""},
{KeyStr("K", 15U, kTypeValue), "val1"},
{KeyStr("K", 14U, kTypeSingleDeletion), ""},
{KeyStr("K", 13U, kTypeSingleDeletion), ""},
{KeyStr("K", 12U, kTypeValue), "val2"},
{KeyStr("K", 11U, kTypeSingleDeletion), ""},
{KeyStr("L", 16U, kTypeSingleDeletion), ""},
{KeyStr("L", 15U, kTypeValue), "val"},
{KeyStr("L", 14U, kTypeSingleDeletion), ""},
{KeyStr("L", 13U, kTypeSingleDeletion), ""},
{KeyStr("L", 12U, kTypeValue), "val"},
{KeyStr("L", 11U, kTypeSingleDeletion), ""},
{KeyStr("M", 16U, kTypeSingleDeletion), ""},
{KeyStr("M", 15U, kTypeSingleDeletion), ""},
{KeyStr("M", 14U, kTypeValue), "val"},
{KeyStr("M", 13U, kTypeSingleDeletion), ""},
{KeyStr("M", 12U, kTypeSingleDeletion), ""},
{KeyStr("M", 11U, kTypeValue), "val"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({
{KeyStr("A", 10U, kTypeValue), "val"},
{KeyStr("B", 12U, kTypeSingleDeletion), ""},
{KeyStr("B", 11U, kTypeValue), "val2"},
{KeyStr("C", 10U, kTypeSingleDeletion), ""},
{KeyStr("C", 9U, kTypeValue), "val6"},
{KeyStr("C", 8U, kTypeSingleDeletion), ""},
{KeyStr("D", 10U, kTypeSingleDeletion), ""},
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
{KeyStr("E", 11U, kTypeValue), "val"},
{KeyStr("E", 5U, kTypeSingleDeletion), ""},
{KeyStr("E", 4U, kTypeValue), "val"},
{KeyStr("F", 6U, kTypeSingleDeletion), ""},
{KeyStr("F", 5U, kTypeValue), "val"},
{KeyStr("F", 4U, kTypeSingleDeletion), ""},
{KeyStr("F", 3U, kTypeValue), "val"},
{KeyStr("G", 12U, kTypeSingleDeletion), ""},
{KeyStr("H", 6U, kTypeSingleDeletion), ""},
{KeyStr("H", 5U, kTypeValue), "val"},
{KeyStr("H", 4U, kTypeSingleDeletion), ""},
{KeyStr("H", 3U, kTypeValue), "val"},
{KeyStr("I", 12U, kTypeSingleDeletion), ""},
{KeyStr("I", 11U, kTypeValue), "val"},
{KeyStr("J", 6U, kTypeSingleDeletion), ""},
{KeyStr("J", 5U, kTypeSingleDeletion), ""},
{KeyStr("J", 4U, kTypeValue), "val"},
{KeyStr("J", 3U, kTypeSingleDeletion), ""},
{KeyStr("J", 2U, kTypeValue), "val"},
{KeyStr("K", 8U, kTypeValue), "val3"},
{KeyStr("K", 7U, kTypeValue), "val4"},
{KeyStr("K", 6U, kTypeSingleDeletion), ""},
{KeyStr("K", 5U, kTypeValue), "val5"},
{KeyStr("K", 2U, kTypeSingleDeletion), ""},
{KeyStr("K", 1U, kTypeSingleDeletion), ""},
{KeyStr("L", 5U, kTypeSingleDeletion), ""},
{KeyStr("L", 4U, kTypeValue), "val"},
{KeyStr("L", 3U, kTypeSingleDeletion), ""},
{KeyStr("L", 2U, kTypeValue), "val"},
{KeyStr("L", 1U, kTypeSingleDeletion), ""},
{KeyStr("M", 10U, kTypeSingleDeletion), ""},
{KeyStr("M", 7U, kTypeValue), "val"},
{KeyStr("M", 5U, kTypeSingleDeletion), ""},
{KeyStr("M", 4U, kTypeValue), "val"},
{KeyStr("M", 3U, kTypeSingleDeletion), ""},
});
AddMockFile(file2);
auto file3 = mock::MakeMockFile({
{KeyStr("D", 1U, kTypeValue), "val"},
{KeyStr("H", 1U, kTypeValue), "val"},
{KeyStr("I", 2U, kTypeValue), "val"},
});
AddMockFile(file3, 2);
auto file4 = mock::MakeMockFile({
{KeyStr("M", 1U, kTypeValue), "val"},
});
AddMockFile(file4, 2);
auto expected_results =
mock::MakeMockFile({{KeyStr("A", 14U, kTypeSingleDeletion), ""},
{KeyStr("A", 13U, kTypeValue), ""},
{KeyStr("A", 12U, kTypeSingleDeletion), ""},
{KeyStr("A", 10U, kTypeValue), "val"},
{KeyStr("B", 14U, kTypeSingleDeletion), ""},
{KeyStr("B", 13U, kTypeValue), ""},
{KeyStr("C", 14U, kTypeValue), "val3"},
{KeyStr("D", 12U, kTypeSingleDeletion), ""},
{KeyStr("D", 11U, kTypeValue), ""},
{KeyStr("D", 10U, kTypeSingleDeletion), ""},
{KeyStr("E", 12U, kTypeSingleDeletion), ""},
{KeyStr("E", 11U, kTypeValue), ""},
{KeyStr("G", 15U, kTypeValue), "val"},
{KeyStr("G", 12U, kTypeSingleDeletion), ""},
{KeyStr("I", 14U, kTypeSingleDeletion), ""},
{KeyStr("I", 13U, kTypeValue), ""},
{KeyStr("J", 15U, kTypeValue), "val"},
{KeyStr("K", 16U, kTypeSingleDeletion), ""},
{KeyStr("K", 15U, kTypeValue), ""},
{KeyStr("K", 11U, kTypeSingleDeletion), ""},
{KeyStr("K", 8U, kTypeValue), "val3"},
{KeyStr("L", 16U, kTypeSingleDeletion), ""},
{KeyStr("L", 15U, kTypeValue), ""},
{KeyStr("L", 11U, kTypeSingleDeletion), ""},
{KeyStr("M", 15U, kTypeSingleDeletion), ""},
{KeyStr("M", 14U, kTypeValue), ""},
{KeyStr("M", 3U, kTypeSingleDeletion), ""}});
SetLastSequence(22U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results}, {10U}, 10U);
}
// This test documents the behavior where a corrupt key follows a deletion or a
// single deletion and the (single) deletion gets removed while the corrupt key
// gets written out. TODO(noetzli): We probably want a better way to treat
// corrupt keys.
TEST_F(CompactionJobTest, DISABLED_CorruptionAfterDeletion) {
NewDB();
auto file1 =
mock::MakeMockFile({{test::KeyStr("A", 6U, kTypeValue), "val3"},
{test::KeyStr("a", 5U, kTypeDeletion), ""},
{test::KeyStr("a", 4U, kTypeValue, true), "val"}});
AddMockFile(file1);
auto file2 =
mock::MakeMockFile({{test::KeyStr("b", 3U, kTypeSingleDeletion), ""},
{test::KeyStr("b", 2U, kTypeValue, true), "val"},
{test::KeyStr("c", 1U, kTypeValue), "val2"}});
AddMockFile(file2);
auto expected_results =
mock::MakeMockFile({{test::KeyStr("A", 0U, kTypeValue), "val3"},
{test::KeyStr("a", 0U, kTypeValue, true), "val"},
{test::KeyStr("b", 0U, kTypeValue, true), "val"},
{test::KeyStr("c", 0U, kTypeValue), "val2"}});
SetLastSequence(6U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, OldestBlobFileNumber) {
NewDB();
// Note: blob1 is inlined TTL, so it will not be considered for the purposes
// of identifying the oldest referenced blob file. Similarly, blob6 will be
// ignored because it has TTL and hence refers to a TTL blob file.
const stl_wrappers::KVMap::value_type blob1(
KeyStr("a", 1U, kTypeBlobIndex), BlobStrInlinedTTL("foo", 1234567890ULL));
const stl_wrappers::KVMap::value_type blob2(KeyStr("b", 2U, kTypeBlobIndex),
BlobStr(59, 123456, 999));
const stl_wrappers::KVMap::value_type blob3(KeyStr("c", 3U, kTypeBlobIndex),
BlobStr(138, 1000, 1 << 8));
auto file1 = mock::MakeMockFile({blob1, blob2, blob3});
AddMockFile(file1);
const stl_wrappers::KVMap::value_type blob4(KeyStr("d", 4U, kTypeBlobIndex),
BlobStr(199, 3 << 10, 1 << 20));
const stl_wrappers::KVMap::value_type blob5(KeyStr("e", 5U, kTypeBlobIndex),
BlobStr(19, 6789, 333));
const stl_wrappers::KVMap::value_type blob6(
KeyStr("f", 6U, kTypeBlobIndex),
BlobStrTTL(5, 2048, 1 << 7, 1234567890ULL));
auto file2 = mock::MakeMockFile({blob4, blob5, blob6});
AddMockFile(file2);
const stl_wrappers::KVMap::value_type expected_blob1(
KeyStr("a", 0U, kTypeBlobIndex), blob1.second);
const stl_wrappers::KVMap::value_type expected_blob2(
KeyStr("b", 0U, kTypeBlobIndex), blob2.second);
const stl_wrappers::KVMap::value_type expected_blob3(
KeyStr("c", 0U, kTypeBlobIndex), blob3.second);
const stl_wrappers::KVMap::value_type expected_blob4(
KeyStr("d", 0U, kTypeBlobIndex), blob4.second);
const stl_wrappers::KVMap::value_type expected_blob5(
KeyStr("e", 0U, kTypeBlobIndex), blob5.second);
const stl_wrappers::KVMap::value_type expected_blob6(
KeyStr("f", 0U, kTypeBlobIndex), blob6.second);
auto expected_results =
mock::MakeMockFile({expected_blob1, expected_blob2, expected_blob3,
expected_blob4, expected_blob5, expected_blob6});
SetLastSequence(6U);
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results},
std::vector<SequenceNumber>(), kMaxSequenceNumber,
/* output_level */ 1, /* verify */ true,
/* expected_oldest_blob_file_numbers */ {19});
}
TEST_F(CompactionJobTest, VerifyPenultimateLevelOutput) {
cf_options_.bottommost_temperature = Temperature::kCold;
SyncPoint::GetInstance()->SetCallBack(
"Compaction::SupportsPerKeyPlacement:Enabled", [&](void* arg) {
auto supports_per_key_placement = static_cast<bool*>(arg);
*supports_per_key_placement = true;
});
std::atomic_uint64_t latest_cold_seq = 0;
SyncPoint::GetInstance()->SetCallBack(
"CompactionIterator::PrepareOutput.context", [&](void* arg) {
auto context = static_cast<PerKeyPlacementContext*>(arg);
context->output_to_penultimate_level =
context->seq_num > latest_cold_seq;
});
SyncPoint::GetInstance()->EnableProcessing();
NewDB();
// Add files on different levels that may overlap
auto file0_1 = mock::MakeMockFile({{KeyStr("z", 12U, kTypeValue), "val"}});
AddMockFile(file0_1);
auto file1_1 = mock::MakeMockFile({{KeyStr("b", 10U, kTypeValue), "val"},
{KeyStr("f", 11U, kTypeValue), "val"}});
AddMockFile(file1_1, 1);
auto file1_2 = mock::MakeMockFile({{KeyStr("j", 12U, kTypeValue), "val"},
{KeyStr("k", 13U, kTypeValue), "val"}});
AddMockFile(file1_2, 1);
auto file1_3 = mock::MakeMockFile({{KeyStr("p", 14U, kTypeValue), "val"},
{KeyStr("u", 15U, kTypeValue), "val"}});
AddMockFile(file1_3, 1);
auto file2_1 = mock::MakeMockFile({{KeyStr("f", 8U, kTypeValue), "val"},
{KeyStr("h", 9U, kTypeValue), "val"}});
AddMockFile(file2_1, 2);
auto file2_2 = mock::MakeMockFile({{KeyStr("m", 6U, kTypeValue), "val"},
{KeyStr("p", 7U, kTypeValue), "val"}});
AddMockFile(file2_2, 2);
auto file3_1 = mock::MakeMockFile({{KeyStr("g", 2U, kTypeValue), "val"},
{KeyStr("k", 3U, kTypeValue), "val"}});
AddMockFile(file3_1, 3);
auto file3_2 = mock::MakeMockFile({{KeyStr("v", 4U, kTypeValue), "val"},
{KeyStr("x", 5U, kTypeValue), "val"}});
AddMockFile(file3_2, 3);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
const std::vector<int> input_levels = {0, 1, 2, 3};
auto files0 = cfd->current()->storage_info()->LevelFiles(input_levels[0]);
auto files1 = cfd->current()->storage_info()->LevelFiles(input_levels[1]);
auto files2 = cfd->current()->storage_info()->LevelFiles(input_levels[2]);
auto files3 = cfd->current()->storage_info()->LevelFiles(input_levels[3]);
RunLastLevelCompaction(
{files0, files1, files2, files3}, input_levels,
/*verify_func=*/[&](Compaction& comp) {
for (char c = 'a'; c <= 'z'; c++) {
std::string c_str;
c_str = c;
const Slice key(c_str);
if (c == 'a') {
ASSERT_FALSE(comp.WithinPenultimateLevelOutputRange(key));
} else {
ASSERT_TRUE(comp.WithinPenultimateLevelOutputRange(key));
}
}
});
}
TEST_F(CompactionJobTest, NoEnforceSingleDeleteContract) {
db_options_.enforce_single_del_contracts = false;
NewDB();
auto file =
mock::MakeMockFile({{KeyStr("a", 4U, kTypeSingleDeletion), ""},
{KeyStr("a", 3U, kTypeDeletion), "dontcare"}});
AddMockFile(file);
SetLastSequence(4U);
auto expected_results = mock::MakeMockFile();
constexpr int input_level = 0;
auto files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTest, InputSerialization) {
// Setup a random CompactionServiceInput
CompactionServiceInput input;
const int kStrMaxLen = 1000;
Random rnd(static_cast<uint32_t>(time(nullptr)));
Random64 rnd64(time(nullptr));
input.column_family.name = rnd.RandomString(rnd.Uniform(kStrMaxLen));
input.column_family.options.comparator = ReverseBytewiseComparator();
input.column_family.options.max_bytes_for_level_base =
rnd64.Uniform(UINT64_MAX);
input.column_family.options.disable_auto_compactions = rnd.OneIn(2);
input.column_family.options.compression = kZSTD;
input.column_family.options.compression_opts.level = 4;
input.db_options.max_background_flushes = 10;
input.db_options.paranoid_checks = rnd.OneIn(2);
input.db_options.statistics = CreateDBStatistics();
input.db_options.env = env_;
while (!rnd.OneIn(10)) {
input.snapshots.emplace_back(rnd64.Uniform(UINT64_MAX));
}
while (!rnd.OneIn(10)) {
input.input_files.emplace_back(rnd.RandomString(
rnd.Uniform(kStrMaxLen - 1) +
1)); // input file name should have at least one character
}
input.output_level = 4;
input.has_begin = rnd.OneIn(2);
if (input.has_begin) {
input.begin = rnd.RandomBinaryString(rnd.Uniform(kStrMaxLen));
}
input.has_end = rnd.OneIn(2);
if (input.has_end) {
input.end = rnd.RandomBinaryString(rnd.Uniform(kStrMaxLen));
}
std::string output;
ASSERT_OK(input.Write(&output));
// Test deserialization
CompactionServiceInput deserialized1;
ASSERT_OK(CompactionServiceInput::Read(output, &deserialized1));
ASSERT_TRUE(deserialized1.TEST_Equals(&input));
// Test mismatch
deserialized1.db_options.max_background_flushes += 10;
std::string mismatch;
ASSERT_FALSE(deserialized1.TEST_Equals(&input, &mismatch));
ASSERT_EQ(mismatch, "db_options.max_background_flushes");
// Test unknown field
CompactionServiceInput deserialized2;
output.clear();
ASSERT_OK(input.Write(&output));
output.append("new_field=123;");
ASSERT_OK(CompactionServiceInput::Read(output, &deserialized2));
ASSERT_TRUE(deserialized2.TEST_Equals(&input));
// Test missing field
CompactionServiceInput deserialized3;
deserialized3.output_level = 0;
std::string to_remove = "output_level=4;";
size_t pos = output.find(to_remove);
ASSERT_TRUE(pos != std::string::npos);
output.erase(pos, to_remove.length());
ASSERT_OK(CompactionServiceInput::Read(output, &deserialized3));
mismatch.clear();
ASSERT_FALSE(deserialized3.TEST_Equals(&input, &mismatch));
ASSERT_EQ(mismatch, "output_level");
// manually set the value back, should match the original structure
deserialized3.output_level = 4;
ASSERT_TRUE(deserialized3.TEST_Equals(&input));
// Test invalid version
output.clear();
ASSERT_OK(input.Write(&output));
uint32_t data_version = DecodeFixed32(output.data());
const size_t kDataVersionSize = sizeof(data_version);
ASSERT_EQ(data_version,
1U); // Update once the default data version is changed
char buf[kDataVersionSize];
EncodeFixed32(buf, data_version + 10); // make sure it's not valid
output.replace(0, kDataVersionSize, buf, kDataVersionSize);
Status s = CompactionServiceInput::Read(output, &deserialized3);
ASSERT_TRUE(s.IsNotSupported());
}
TEST_F(CompactionJobTest, ResultSerialization) {
// Setup a random CompactionServiceResult
CompactionServiceResult result;
const int kStrMaxLen = 1000;
Random rnd(static_cast<uint32_t>(time(nullptr)));
Random64 rnd64(time(nullptr));
std::vector<Status> status_list = {
Status::OK(),
Status::InvalidArgument("invalid option"),
Status::Aborted("failed to run"),
Status::NotSupported("not supported option"),
};
result.status =
status_list.at(rnd.Uniform(static_cast<int>(status_list.size())));
while (!rnd.OneIn(10)) {
UniqueId64x2 id{rnd64.Uniform(UINT64_MAX), rnd64.Uniform(UINT64_MAX)};
result.output_files.emplace_back(
rnd.RandomString(rnd.Uniform(kStrMaxLen)), rnd64.Uniform(UINT64_MAX),
rnd64.Uniform(UINT64_MAX),
rnd.RandomBinaryString(rnd.Uniform(kStrMaxLen)),
rnd.RandomBinaryString(rnd.Uniform(kStrMaxLen)),
rnd64.Uniform(UINT64_MAX), rnd64.Uniform(UINT64_MAX),
rnd64.Uniform(UINT64_MAX), rnd.OneIn(2), id);
}
result.output_level = rnd.Uniform(10);
result.output_path = rnd.RandomString(rnd.Uniform(kStrMaxLen));
result.num_output_records = rnd64.Uniform(UINT64_MAX);
result.total_bytes = rnd64.Uniform(UINT64_MAX);
result.bytes_read = 123;
result.bytes_written = rnd64.Uniform(UINT64_MAX);
result.stats.elapsed_micros = rnd64.Uniform(UINT64_MAX);
result.stats.num_output_files = rnd.Uniform(1000);
result.stats.is_full_compaction = rnd.OneIn(2);
result.stats.num_single_del_mismatch = rnd64.Uniform(UINT64_MAX);
result.stats.num_input_files = 9;
std::string output;
ASSERT_OK(result.Write(&output));
// Test deserialization
CompactionServiceResult deserialized1;
ASSERT_OK(CompactionServiceResult::Read(output, &deserialized1));
ASSERT_TRUE(deserialized1.TEST_Equals(&result));
// Test mismatch
deserialized1.stats.num_input_files += 10;
std::string mismatch;
ASSERT_FALSE(deserialized1.TEST_Equals(&result, &mismatch));
ASSERT_EQ(mismatch, "stats.num_input_files");
// Test unique id mismatch
if (!result.output_files.empty()) {
CompactionServiceResult deserialized_tmp;
ASSERT_OK(CompactionServiceResult::Read(output, &deserialized_tmp));
deserialized_tmp.output_files[0].unique_id[0] += 1;
ASSERT_FALSE(deserialized_tmp.TEST_Equals(&result, &mismatch));
ASSERT_EQ(mismatch, "output_files.unique_id");
deserialized_tmp.status.PermitUncheckedError();
}
// Test unknown field
CompactionServiceResult deserialized2;
output.clear();
ASSERT_OK(result.Write(&output));
output.append("new_field=123;");
ASSERT_OK(CompactionServiceResult::Read(output, &deserialized2));
ASSERT_TRUE(deserialized2.TEST_Equals(&result));
// Test missing field
CompactionServiceResult deserialized3;
deserialized3.bytes_read = 0;
std::string to_remove = "bytes_read=123;";
size_t pos = output.find(to_remove);
ASSERT_TRUE(pos != std::string::npos);
output.erase(pos, to_remove.length());
ASSERT_OK(CompactionServiceResult::Read(output, &deserialized3));
mismatch.clear();
ASSERT_FALSE(deserialized3.TEST_Equals(&result, &mismatch));
ASSERT_EQ(mismatch, "bytes_read");
deserialized3.bytes_read = 123;
ASSERT_TRUE(deserialized3.TEST_Equals(&result));
// Test invalid version
output.clear();
ASSERT_OK(result.Write(&output));
uint32_t data_version = DecodeFixed32(output.data());
const size_t kDataVersionSize = sizeof(data_version);
ASSERT_EQ(data_version,
1U); // Update once the default data version is changed
char buf[kDataVersionSize];
EncodeFixed32(buf, data_version + 10); // make sure it's not valid
output.replace(0, kDataVersionSize, buf, kDataVersionSize);
Status s = CompactionServiceResult::Read(output, &deserialized3);
ASSERT_TRUE(s.IsNotSupported());
for (const auto& item : status_list) {
item.PermitUncheckedError();
}
}
class CompactionJobDynamicFileSizeTest
: public CompactionJobTestBase,
public ::testing::WithParamInterface<bool> {
public:
CompactionJobDynamicFileSizeTest()
: CompactionJobTestBase(
test::PerThreadDBPath("compaction_job_dynamic_file_size_test"),
BytewiseComparator(), [](uint64_t /*ts*/) { return ""; },
/*test_io_priority=*/false, TableTypeForTest::kMockTable) {}
};
TEST_P(CompactionJobDynamicFileSizeTest, CutForMaxCompactionBytes) {
// dynamic_file_size option should have no impact on cutting for max
// compaction bytes.
bool enable_dyanmic_file_size = GetParam();
cf_options_.level_compaction_dynamic_file_size = enable_dyanmic_file_size;
NewDB();
mutable_cf_options_.target_file_size_base = 80;
mutable_cf_options_.max_compaction_bytes = 21;
auto file1 = mock::MakeMockFile({
{KeyStr("c", 5U, kTypeValue), "val2"},
{KeyStr("n", 6U, kTypeValue), "val3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("h", 3U, kTypeValue), "val"},
{KeyStr("j", 4U, kTypeValue), "val"}});
AddMockFile(file2, 1);
// Create three L2 files, each size 10.
// max_compaction_bytes 21 means the compaction output in L1 will
// be cut to at least two files.
auto file3 = mock::MakeMockFile({{KeyStr("b", 1U, kTypeValue), "val"},
{KeyStr("c", 1U, kTypeValue), "val"},
{KeyStr("c1", 1U, kTypeValue), "val"},
{KeyStr("c2", 1U, kTypeValue), "val"},
{KeyStr("c3", 1U, kTypeValue), "val"},
{KeyStr("c4", 1U, kTypeValue), "val"},
{KeyStr("d", 1U, kTypeValue), "val"},
{KeyStr("e", 2U, kTypeValue), "val"}});
AddMockFile(file3, 2);
auto file4 = mock::MakeMockFile({{KeyStr("h", 1U, kTypeValue), "val"},
{KeyStr("i", 1U, kTypeValue), "val"},
{KeyStr("i1", 1U, kTypeValue), "val"},
{KeyStr("i2", 1U, kTypeValue), "val"},
{KeyStr("i3", 1U, kTypeValue), "val"},
{KeyStr("i4", 1U, kTypeValue), "val"},
{KeyStr("j", 1U, kTypeValue), "val"},
{KeyStr("k", 2U, kTypeValue), "val"}});
AddMockFile(file4, 2);
auto file5 = mock::MakeMockFile({{KeyStr("l", 1U, kTypeValue), "val"},
{KeyStr("m", 1U, kTypeValue), "val"},
{KeyStr("m1", 1U, kTypeValue), "val"},
{KeyStr("m2", 1U, kTypeValue), "val"},
{KeyStr("m3", 1U, kTypeValue), "val"},
{KeyStr("m4", 1U, kTypeValue), "val"},
{KeyStr("n", 1U, kTypeValue), "val"},
{KeyStr("o", 2U, kTypeValue), "val"}});
AddMockFile(file5, 2);
// The expected output should be:
// L1: [c, h, j] [n]
// L2: [b ... e] [h ... k] [l ... o]
// It's better to have "j" in the first file, because anyway it's overlapping
// with the second file on L2.
// (Note: before this PR, it was cut at "h" because it's using the internal
// comparator which think L1 "h" with seqno 3 is smaller than L2 "h" with
// seqno 1, but actually they're overlapped with the compaction picker).
auto expected_file1 =
mock::MakeMockFile({{KeyStr("c", 5U, kTypeValue), "val2"},
{KeyStr("h", 3U, kTypeValue), "val"},
{KeyStr("j", 4U, kTypeValue), "val"}});
auto expected_file2 =
mock::MakeMockFile({{KeyStr("n", 6U, kTypeValue), "val3"}});
SetLastSequence(6U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file1, expected_file2});
}
TEST_P(CompactionJobDynamicFileSizeTest, CutToSkipGrandparentFile) {
bool enable_dyanmic_file_size = GetParam();
cf_options_.level_compaction_dynamic_file_size = enable_dyanmic_file_size;
NewDB();
// Make sure the grandparent level file size (10) qualifies skipping.
// Currently, it has to be > 1/8 of target file size.
mutable_cf_options_.target_file_size_base = 70;
auto file1 = mock::MakeMockFile({
{KeyStr("a", 5U, kTypeValue), "val2"},
{KeyStr("z", 6U, kTypeValue), "val3"},
});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("c", 3U, kTypeValue), "val"},
{KeyStr("x", 4U, kTypeValue), "val"}});
AddMockFile(file2, 1);
auto file3 = mock::MakeMockFile({{KeyStr("b", 1U, kTypeValue), "val"},
{KeyStr("d", 2U, kTypeValue), "val"}});
AddMockFile(file3, 2);
auto file4 = mock::MakeMockFile({{KeyStr("h", 1U, kTypeValue), "val"},
{KeyStr("i", 2U, kTypeValue), "val"}});
AddMockFile(file4, 2);
auto file5 = mock::MakeMockFile({{KeyStr("v", 1U, kTypeValue), "val"},
{KeyStr("y", 2U, kTypeValue), "val"}});
AddMockFile(file5, 2);
auto expected_file1 =
mock::MakeMockFile({{KeyStr("a", 5U, kTypeValue), "val2"},
{KeyStr("c", 3U, kTypeValue), "val"}});
auto expected_file2 =
mock::MakeMockFile({{KeyStr("x", 4U, kTypeValue), "val"},
{KeyStr("z", 6U, kTypeValue), "val3"}});
auto expected_file_disable_dynamic_file_size =
mock::MakeMockFile({{KeyStr("a", 5U, kTypeValue), "val2"},
{KeyStr("c", 3U, kTypeValue), "val"},
{KeyStr("x", 4U, kTypeValue), "val"},
{KeyStr("z", 6U, kTypeValue), "val3"}});
SetLastSequence(6U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
if (enable_dyanmic_file_size) {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file1, expected_file2});
} else {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file_disable_dynamic_file_size});
}
}
TEST_P(CompactionJobDynamicFileSizeTest, CutToAlignGrandparentBoundary) {
bool enable_dyanmic_file_size = GetParam();
cf_options_.level_compaction_dynamic_file_size = enable_dyanmic_file_size;
NewDB();
// MockTable has 1 byte per entry by default and each file is 10 bytes.
// When the file size is smaller than 100, it won't cut file earlier to align
// with its grandparent boundary.
const size_t kKeyValueSize = 10000;
mock_table_factory_->SetKeyValueSize(kKeyValueSize);
mutable_cf_options_.target_file_size_base = 10 * kKeyValueSize;
mock::KVVector file1;
char ch = 'd';
// Add value from d -> o
for (char i = 0; i < 12; i++) {
file1.emplace_back(KeyStr(std::string(1, ch + i), i + 10, kTypeValue),
"val" + std::to_string(i));
}
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("e", 3U, kTypeValue), "val"},
{KeyStr("s", 4U, kTypeValue), "val"}});
AddMockFile(file2, 1);
// the 1st grandparent file should be skipped
auto file3 = mock::MakeMockFile({{KeyStr("a", 1U, kTypeValue), "val"},
{KeyStr("b", 2U, kTypeValue), "val"}});
AddMockFile(file3, 2);
auto file4 = mock::MakeMockFile({{KeyStr("c", 1U, kTypeValue), "val"},
{KeyStr("e", 2U, kTypeValue), "val"}});
AddMockFile(file4, 2);
auto file5 = mock::MakeMockFile({{KeyStr("h", 1U, kTypeValue), "val"},
{KeyStr("j", 2U, kTypeValue), "val"}});
AddMockFile(file5, 2);
auto file6 = mock::MakeMockFile({{KeyStr("k", 1U, kTypeValue), "val"},
{KeyStr("n", 2U, kTypeValue), "val"}});
AddMockFile(file6, 2);
auto file7 = mock::MakeMockFile({{KeyStr("q", 1U, kTypeValue), "val"},
{KeyStr("t", 2U, kTypeValue), "val"}});
AddMockFile(file7, 2);
// The expected outputs are:
// L1: [d,e,f,g,h,i,j] [k,l,m,n,o,s]
// L2: [a, b] [c, e] [h, j] [k, n] [q, t]
// The first output cut earlier at "j", so it could be aligned with L2 files.
// If dynamic_file_size is not enabled, it will be cut based on the
// target_file_size
mock::KVVector expected_file1;
for (char i = 0; i < 7; i++) {
expected_file1.emplace_back(
KeyStr(std::string(1, ch + i), i + 10, kTypeValue),
"val" + std::to_string(i));
}
mock::KVVector expected_file2;
for (char i = 7; i < 12; i++) {
expected_file2.emplace_back(
KeyStr(std::string(1, ch + i), i + 10, kTypeValue),
"val" + std::to_string(i));
}
expected_file2.emplace_back(KeyStr("s", 4U, kTypeValue), "val");
mock::KVVector expected_file_disable_dynamic_file_size1;
for (char i = 0; i < 10; i++) {
expected_file_disable_dynamic_file_size1.emplace_back(
KeyStr(std::string(1, ch + i), i + 10, kTypeValue),
"val" + std::to_string(i));
}
mock::KVVector expected_file_disable_dynamic_file_size2;
for (char i = 10; i < 12; i++) {
expected_file_disable_dynamic_file_size2.emplace_back(
KeyStr(std::string(1, ch + i), i + 10, kTypeValue),
"val" + std::to_string(i));
}
expected_file_disable_dynamic_file_size2.emplace_back(
KeyStr("s", 4U, kTypeValue), "val");
SetLastSequence(22U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
if (enable_dyanmic_file_size) {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file1, expected_file2});
} else {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file_disable_dynamic_file_size1,
expected_file_disable_dynamic_file_size2});
}
}
TEST_P(CompactionJobDynamicFileSizeTest, CutToAlignGrandparentBoundarySameKey) {
bool enable_dyanmic_file_size = GetParam();
cf_options_.level_compaction_dynamic_file_size = enable_dyanmic_file_size;
NewDB();
// MockTable has 1 byte per entry by default and each file is 10 bytes.
// When the file size is smaller than 100, it won't cut file earlier to align
// with its grandparent boundary.
const size_t kKeyValueSize = 10000;
mock_table_factory_->SetKeyValueSize(kKeyValueSize);
mutable_cf_options_.target_file_size_base = 10 * kKeyValueSize;
mock::KVVector file1;
for (int i = 0; i < 7; i++) {
file1.emplace_back(KeyStr("a", 100 - i, kTypeValue),
"val" + std::to_string(100 - i));
}
file1.emplace_back(KeyStr("b", 90, kTypeValue), "valb");
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 93U, kTypeValue), "val93"},
{KeyStr("b", 90U, kTypeValue), "valb"}});
AddMockFile(file2, 1);
auto file3 = mock::MakeMockFile({{KeyStr("a", 89U, kTypeValue), "val"},
{KeyStr("a", 88U, kTypeValue), "val"}});
AddMockFile(file3, 2);
auto file4 = mock::MakeMockFile({{KeyStr("a", 87U, kTypeValue), "val"},
{KeyStr("a", 86U, kTypeValue), "val"}});
AddMockFile(file4, 2);
auto file5 = mock::MakeMockFile({{KeyStr("b", 85U, kTypeValue), "val"},
{KeyStr("b", 84U, kTypeValue), "val"}});
AddMockFile(file5, 2);
mock::KVVector expected_file1;
mock::KVVector expected_file_disable_dynamic_file_size;
for (int i = 0; i < 8; i++) {
expected_file1.emplace_back(KeyStr("a", 100 - i, kTypeValue),
"val" + std::to_string(100 - i));
expected_file_disable_dynamic_file_size.emplace_back(
KeyStr("a", 100 - i, kTypeValue), "val" + std::to_string(100 - i));
}
// make sure `b` is cut in a separated file (so internally it's not using
// internal comparator, which will think the "b:90" (seqno 90) here is smaller
// than "b:85" on L2.)
auto expected_file2 =
mock::MakeMockFile({{KeyStr("b", 90U, kTypeValue), "valb"}});
expected_file_disable_dynamic_file_size.emplace_back(
KeyStr("b", 90U, kTypeValue), "valb");
SetLastSequence(122U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
// Just keep all the history
std::vector<SequenceNumber> snapshots;
for (int i = 80; i <= 100; i++) {
snapshots.emplace_back(i);
}
if (enable_dyanmic_file_size) {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file1, expected_file2}, snapshots);
} else {
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file_disable_dynamic_file_size}, snapshots);
}
}
TEST_P(CompactionJobDynamicFileSizeTest, CutForMaxCompactionBytesSameKey) {
// dynamic_file_size option should have no impact on cutting for max
// compaction bytes.
bool enable_dyanmic_file_size = GetParam();
cf_options_.level_compaction_dynamic_file_size = enable_dyanmic_file_size;
NewDB();
mutable_cf_options_.target_file_size_base = 80;
mutable_cf_options_.max_compaction_bytes = 20;
auto file1 = mock::MakeMockFile({{KeyStr("a", 104U, kTypeValue), "val1"},
{KeyStr("b", 103U, kTypeValue), "val"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile({{KeyStr("a", 102U, kTypeValue), "val2"},
{KeyStr("c", 101U, kTypeValue), "val"}});
AddMockFile(file2, 1);
for (int i = 0; i < 10; i++) {
auto file =
mock::MakeMockFile({{KeyStr("a", 100 - (i * 2), kTypeValue), "val"},
{KeyStr("a", 99 - (i * 2), kTypeValue), "val"}});
AddMockFile(file, 2);
}
for (int i = 0; i < 10; i++) {
auto file =
mock::MakeMockFile({{KeyStr("b", 80 - (i * 2), kTypeValue), "val"},
{KeyStr("b", 79 - (i * 2), kTypeValue), "val"}});
AddMockFile(file, 2);
}
auto file5 = mock::MakeMockFile({{KeyStr("c", 60U, kTypeValue), "valc"},
{KeyStr("c", 59U, kTypeValue), "valc"}});
// "a" has 10 overlapped grandparent files (each size 10), which is far
// exceeded the `max_compaction_bytes`, but make sure 2 "a" are not separated,
// as splitting them won't help reducing the compaction size.
// also make sure "b" and "c" are cut separately.
mock::KVVector expected_file1 =
mock::MakeMockFile({{KeyStr("a", 104U, kTypeValue), "val1"},
{KeyStr("a", 102U, kTypeValue), "val2"}});
mock::KVVector expected_file2 =
mock::MakeMockFile({{KeyStr("b", 103U, kTypeValue), "val"}});
mock::KVVector expected_file3 =
mock::MakeMockFile({{KeyStr("c", 101U, kTypeValue), "val"}});
SetLastSequence(122U);
const std::vector<int> input_levels = {0, 1};
auto lvl0_files = cfd_->current()->storage_info()->LevelFiles(0);
auto lvl1_files = cfd_->current()->storage_info()->LevelFiles(1);
// Just keep all the history
std::vector<SequenceNumber> snapshots;
for (int i = 80; i <= 105; i++) {
snapshots.emplace_back(i);
}
RunCompaction({lvl0_files, lvl1_files}, input_levels,
{expected_file1, expected_file2, expected_file3}, snapshots);
}
INSTANTIATE_TEST_CASE_P(CompactionJobDynamicFileSizeTest,
CompactionJobDynamicFileSizeTest, testing::Bool());
class CompactionJobTimestampTest : public CompactionJobTestBase {
public:
CompactionJobTimestampTest()
: CompactionJobTestBase(test::PerThreadDBPath("compaction_job_ts_test"),
test::BytewiseComparatorWithU64TsWrapper(),
test::EncodeInt, /*test_io_priority=*/false,
TableTypeForTest::kMockTable) {}
};
TEST_F(CompactionJobTimestampTest, GCDisabled) {
NewDB();
auto file1 =
mock::MakeMockFile({{KeyStr("a", 10, ValueType::kTypeValue, 100), "a10"},
{KeyStr("a", 9, ValueType::kTypeValue, 99), "a9"},
{KeyStr("b", 8, ValueType::kTypeValue, 98), "b8"},
{KeyStr("d", 7, ValueType::kTypeValue, 97), "d7"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile(
{{KeyStr("b", 6, ValueType::kTypeDeletionWithTimestamp, 96), ""},
{KeyStr("c", 5, ValueType::kTypeDeletionWithTimestamp, 95), ""},
{KeyStr("c", 4, ValueType::kTypeValue, 94), "c5"},
{KeyStr("d", 3, ValueType::kTypeSingleDeletion, 93), ""}});
AddMockFile(file2);
SetLastSequence(10);
auto expected_results = mock::MakeMockFile(
{{KeyStr("a", 10, ValueType::kTypeValue, 100), "a10"},
{KeyStr("a", 9, ValueType::kTypeValue, 99), "a9"},
{KeyStr("b", 8, ValueType::kTypeValue, 98), "b8"},
{KeyStr("b", 6, ValueType::kTypeDeletionWithTimestamp, 96), ""},
{KeyStr("c", 5, ValueType::kTypeDeletionWithTimestamp, 95), ""},
{KeyStr("c", 4, ValueType::kTypeValue, 94), "c5"},
{KeyStr("d", 7, ValueType::kTypeValue, 97), "d7"},
{KeyStr("d", 3, ValueType::kTypeSingleDeletion, 93), ""}});
constexpr int input_level = 0;
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTimestampTest, NoKeyExpired) {
NewDB();
auto file1 =
mock::MakeMockFile({{KeyStr("a", 6, ValueType::kTypeValue, 100), "a6"},
{KeyStr("b", 7, ValueType::kTypeValue, 101), "b7"},
{KeyStr("c", 5, ValueType::kTypeValue, 99), "c5"}});
AddMockFile(file1);
auto file2 =
mock::MakeMockFile({{KeyStr("a", 4, ValueType::kTypeValue, 98), "a4"},
{KeyStr("c", 3, ValueType::kTypeValue, 97), "c3"}});
AddMockFile(file2);
SetLastSequence(101);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 6, ValueType::kTypeValue, 100), "a6"},
{KeyStr("a", 4, ValueType::kTypeValue, 98), "a4"},
{KeyStr("b", 7, ValueType::kTypeValue, 101), "b7"},
{KeyStr("c", 5, ValueType::kTypeValue, 99), "c5"},
{KeyStr("c", 3, ValueType::kTypeValue, 97), "c3"}});
constexpr int input_level = 0;
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
full_history_ts_low_ = encode_u64_ts_(0);
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTimestampTest, AllKeysExpired) {
NewDB();
auto file1 = mock::MakeMockFile(
{{KeyStr("a", 5, ValueType::kTypeDeletionWithTimestamp, 100), ""},
{KeyStr("b", 6, ValueType::kTypeSingleDeletion, 99), ""},
{KeyStr("c", 7, ValueType::kTypeValue, 98), "c7"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile(
{{KeyStr("a", 4, ValueType::kTypeValue, 97), "a4"},
{KeyStr("b", 3, ValueType::kTypeValue, 96), "b3"},
{KeyStr("c", 2, ValueType::kTypeDeletionWithTimestamp, 95), ""},
{KeyStr("c", 1, ValueType::kTypeValue, 94), "c1"}});
AddMockFile(file2);
SetLastSequence(7);
auto expected_results =
mock::MakeMockFile({{KeyStr("c", 0, ValueType::kTypeValue, 0), "c7"}});
constexpr int input_level = 0;
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
full_history_ts_low_ = encode_u64_ts_(std::numeric_limits<uint64_t>::max());
RunCompaction({files}, {input_level}, {expected_results});
}
TEST_F(CompactionJobTimestampTest, SomeKeysExpired) {
NewDB();
auto file1 =
mock::MakeMockFile({{KeyStr("a", 5, ValueType::kTypeValue, 50), "a5"},
{KeyStr("b", 6, ValueType::kTypeValue, 49), "b6"}});
AddMockFile(file1);
auto file2 = mock::MakeMockFile(
{{KeyStr("a", 3, ValueType::kTypeValue, 48), "a3"},
{KeyStr("a", 2, ValueType::kTypeValue, 46), "a2"},
{KeyStr("b", 4, ValueType::kTypeDeletionWithTimestamp, 47), ""}});
AddMockFile(file2);
SetLastSequence(6);
auto expected_results =
mock::MakeMockFile({{KeyStr("a", 5, ValueType::kTypeValue, 50), "a5"},
{KeyStr("a", 0, ValueType::kTypeValue, 0), "a3"},
{KeyStr("b", 6, ValueType::kTypeValue, 49), "b6"}});
constexpr int input_level = 0;
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
full_history_ts_low_ = encode_u64_ts_(49);
RunCompaction({files}, {input_level}, {expected_results});
}
class CompactionJobTimestampTestWithBbTable : public CompactionJobTestBase {
public:
// Block-based table is needed if we want to test subcompaction partitioning
// with anchors.
explicit CompactionJobTimestampTestWithBbTable()
: CompactionJobTestBase(
test::PerThreadDBPath("compaction_job_ts_bbt_test"),
test::BytewiseComparatorWithU64TsWrapper(), test::EncodeInt,
/*test_io_priority=*/false, TableTypeForTest::kBlockBasedTable) {}
};
TEST_F(CompactionJobTimestampTestWithBbTable, SubcompactionAnchorL1) {
cf_options_.target_file_size_base = 20;
mutable_cf_options_.target_file_size_base = 20;
NewDB();
const std::vector<std::string> keys = {
KeyStr("a", 20, ValueType::kTypeValue, 200),
KeyStr("b", 21, ValueType::kTypeValue, 210),
KeyStr("b", 20, ValueType::kTypeValue, 200),
KeyStr("b", 18, ValueType::kTypeValue, 180),
KeyStr("c", 17, ValueType::kTypeValue, 170),
KeyStr("c", 16, ValueType::kTypeValue, 160),
KeyStr("c", 15, ValueType::kTypeValue, 150)};
const std::vector<std::string> values = {"a20", "b21", "b20", "b18",
"c17", "c16", "c15"};
constexpr int input_level = 1;
auto file1 = mock::MakeMockFile(
{{keys[0], values[0]}, {keys[1], values[1]}, {keys[2], values[2]}});
AddMockFile(file1, input_level);
auto file2 = mock::MakeMockFile(
{{keys[3], values[3]}, {keys[4], values[4]}, {keys[5], values[5]}});
AddMockFile(file2, input_level);
auto file3 = mock::MakeMockFile({{keys[6], values[6]}});
AddMockFile(file3, input_level);
SetLastSequence(20);
auto output1 = mock::MakeMockFile({{keys[0], values[0]}});
auto output2 = mock::MakeMockFile(
{{keys[1], values[1]}, {keys[2], values[2]}, {keys[3], values[3]}});
auto output3 = mock::MakeMockFile(
{{keys[4], values[4]}, {keys[5], values[5]}, {keys[6], values[6]}});
auto expected_results =
std::vector<mock::KVVector>{output1, output2, output3};
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
constexpr int output_level = 2;
constexpr int max_subcompactions = 4;
RunCompaction({files}, {input_level}, expected_results, /*snapshots=*/{},
/*earliest_write_conflict_snapshot=*/kMaxSequenceNumber,
output_level, /*verify=*/true, {kInvalidBlobFileNumber},
/*check_get_priority=*/false, Env::IO_TOTAL, Env::IO_TOTAL,
max_subcompactions);
}
TEST_F(CompactionJobTimestampTestWithBbTable, SubcompactionL0) {
cf_options_.target_file_size_base = 20;
mutable_cf_options_.target_file_size_base = 20;
NewDB();
const std::vector<std::string> keys = {
KeyStr("a", 20, ValueType::kTypeValue, 200),
KeyStr("b", 20, ValueType::kTypeValue, 200),
KeyStr("b", 19, ValueType::kTypeValue, 190),
KeyStr("b", 18, ValueType::kTypeValue, 180),
KeyStr("c", 17, ValueType::kTypeValue, 170),
KeyStr("c", 16, ValueType::kTypeValue, 160),
KeyStr("c", 15, ValueType::kTypeValue, 150)};
const std::vector<std::string> values = {"a20", "b20", "b19", "b18",
"c17", "c16", "c15"};
constexpr int input_level = 0;
auto file1 = mock::MakeMockFile({{keys[5], values[5]}, {keys[6], values[6]}});
AddMockFile(file1, input_level);
auto file2 = mock::MakeMockFile({{keys[3], values[3]}, {keys[4], values[4]}});
AddMockFile(file2, input_level);
auto file3 = mock::MakeMockFile(
{{keys[0], values[0]}, {keys[1], values[1]}, {keys[2], values[2]}});
AddMockFile(file3, input_level);
SetLastSequence(20);
auto output1 = mock::MakeMockFile({{keys[0], values[0]}});
auto output2 = mock::MakeMockFile(
{{keys[1], values[1]}, {keys[2], values[2]}, {keys[3], values[3]}});
auto output3 = mock::MakeMockFile(
{{keys[4], values[4]}, {keys[5], values[5]}, {keys[6], values[6]}});
auto expected_results =
std::vector<mock::KVVector>{output1, output2, output3};
const auto& files = cfd_->current()->storage_info()->LevelFiles(input_level);
constexpr int output_level = 1;
constexpr int max_subcompactions = 4;
RunCompaction({files}, {input_level}, expected_results, /*snapshots=*/{},
/*earliest_write_conflict_snapshot=*/kMaxSequenceNumber,
output_level, /*verify=*/true, {kInvalidBlobFileNumber},
/*check_get_priority=*/false, Env::IO_TOTAL, Env::IO_TOTAL,
max_subcompactions);
}
// The io priority of the compaction reads and writes are different from
// other DB reads and writes. To prepare the compaction input files, use the
// default filesystem from Env. To test the io priority of the compaction
// reads and writes, db_options_.fs is set as MockTestFileSystem.
class CompactionJobIOPriorityTest : public CompactionJobTestBase {
public:
CompactionJobIOPriorityTest()
: CompactionJobTestBase(
test::PerThreadDBPath("compaction_job_io_priority_test"),
BytewiseComparator(), [](uint64_t /*ts*/) { return ""; },
/*test_io_priority=*/true, TableTypeForTest::kBlockBasedTable) {}
};
TEST_F(CompactionJobIOPriorityTest, WriteControllerStateNormal) {
// When the state from WriteController is normal.
NewDB();
mock::KVVector expected_results = CreateTwoFiles(false);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
ASSERT_EQ(2U, files.size());
RunCompaction({files}, {input_level}, {expected_results}, {},
kMaxSequenceNumber, 1, false, {kInvalidBlobFileNumber}, false,
Env::IO_LOW, Env::IO_LOW);
}
TEST_F(CompactionJobIOPriorityTest, WriteControllerStateDelayed) {
// When the state from WriteController is Delayed.
NewDB();
mock::KVVector expected_results = CreateTwoFiles(false);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
ASSERT_EQ(2U, files.size());
{
std::unique_ptr<WriteControllerToken> delay_token =
write_controller_.GetDelayToken(1000000);
RunCompaction({files}, {input_level}, {expected_results}, {},
kMaxSequenceNumber, 1, false, {kInvalidBlobFileNumber}, false,
Env::IO_USER, Env::IO_USER);
}
}
TEST_F(CompactionJobIOPriorityTest, WriteControllerStateStalled) {
// When the state from WriteController is Stalled.
NewDB();
mock::KVVector expected_results = CreateTwoFiles(false);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
ASSERT_EQ(2U, files.size());
{
std::unique_ptr<WriteControllerToken> stop_token =
write_controller_.GetStopToken();
RunCompaction({files}, {input_level}, {expected_results}, {},
kMaxSequenceNumber, 1, false, {kInvalidBlobFileNumber}, false,
Env::IO_USER, Env::IO_USER);
}
}
TEST_F(CompactionJobIOPriorityTest, GetRateLimiterPriority) {
NewDB();
mock::KVVector expected_results = CreateTwoFiles(false);
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
constexpr int input_level = 0;
auto files = cfd->current()->storage_info()->LevelFiles(input_level);
ASSERT_EQ(2U, files.size());
RunCompaction({files}, {input_level}, {expected_results}, {},
kMaxSequenceNumber, 1, false, {kInvalidBlobFileNumber}, true,
Env::IO_LOW, Env::IO_LOW);
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
RegisterCustomObjects(argc, argv);
return RUN_ALL_TESTS();
}
#else
#include <stdio.h>
int main(int /*argc*/, char** /*argv*/) {
fprintf(stderr,
"SKIPPED as CompactionJobStats is not supported in ROCKSDB_LITE\n");
return 0;
}
#endif // ROCKSDB_LITE