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external_sst_file_basic_test.cc
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external_sst_file_basic_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).
#include <functional>
#include "db/db_test_util.h"
#include "db/version_edit.h"
#include "port/port.h"
#include "port/stack_trace.h"
#include "rocksdb/advanced_options.h"
#include "rocksdb/options.h"
#include "rocksdb/sst_file_writer.h"
#include "test_util/testharness.h"
#include "test_util/testutil.h"
#include "util/defer.h"
#include "util/random.h"
#include "utilities/fault_injection_env.h"
namespace ROCKSDB_NAMESPACE {
class ExternalSSTFileBasicTest
: public DBTestBase,
public ::testing::WithParamInterface<std::tuple<bool, bool>> {
public:
ExternalSSTFileBasicTest()
: DBTestBase("external_sst_file_basic_test", /*env_do_fsync=*/true) {
sst_files_dir_ = dbname_ + "_sst_files/";
fault_injection_test_env_.reset(new FaultInjectionTestEnv(env_));
DestroyAndRecreateExternalSSTFilesDir();
// Check if the Env supports RandomRWFile
std::string file_path = sst_files_dir_ + "test_random_rw_file";
std::unique_ptr<WritableFile> wfile;
assert(env_->NewWritableFile(file_path, &wfile, EnvOptions()).ok());
wfile.reset();
std::unique_ptr<RandomRWFile> rwfile;
Status s = env_->NewRandomRWFile(file_path, &rwfile, EnvOptions());
if (s.IsNotSupported()) {
random_rwfile_supported_ = false;
} else {
EXPECT_OK(s);
random_rwfile_supported_ = true;
}
rwfile.reset();
EXPECT_OK(env_->DeleteFile(file_path));
}
void DestroyAndRecreateExternalSSTFilesDir() {
ASSERT_OK(DestroyDir(env_, sst_files_dir_));
ASSERT_OK(env_->CreateDir(sst_files_dir_));
}
Status DeprecatedAddFile(const std::vector<std::string>& files,
bool move_files = false,
bool skip_snapshot_check = false) {
IngestExternalFileOptions opts;
opts.move_files = move_files;
opts.snapshot_consistency = !skip_snapshot_check;
opts.allow_global_seqno = false;
opts.allow_blocking_flush = false;
return db_->IngestExternalFile(files, opts);
}
Status AddFileWithFileChecksum(
const std::vector<std::string>& files,
const std::vector<std::string>& files_checksums,
const std::vector<std::string>& files_checksum_func_names,
bool verify_file_checksum = true, bool move_files = false,
bool skip_snapshot_check = false, bool write_global_seqno = true) {
IngestExternalFileOptions opts;
opts.move_files = move_files;
opts.snapshot_consistency = !skip_snapshot_check;
opts.allow_global_seqno = false;
opts.allow_blocking_flush = false;
opts.write_global_seqno = write_global_seqno;
opts.verify_file_checksum = verify_file_checksum;
IngestExternalFileArg arg;
arg.column_family = db_->DefaultColumnFamily();
arg.external_files = files;
arg.options = opts;
arg.files_checksums = files_checksums;
arg.files_checksum_func_names = files_checksum_func_names;
return db_->IngestExternalFiles({arg});
}
Status GenerateAndAddExternalFile(
const Options options, std::vector<int> keys,
const std::vector<ValueType>& value_types,
std::vector<std::pair<int, int>> range_deletions, int file_id,
bool write_global_seqno, bool verify_checksums_before_ingest,
std::map<std::string, std::string>* true_data) {
assert(value_types.size() == 1 || keys.size() == value_types.size());
std::string file_path = sst_files_dir_ + std::to_string(file_id);
SstFileWriter sst_file_writer(EnvOptions(), options);
Status s = sst_file_writer.Open(file_path);
if (!s.ok()) {
return s;
}
for (size_t i = 0; i < range_deletions.size(); i++) {
// Account for the effect of range deletions on true_data before
// all point operators, even though sst_file_writer.DeleteRange
// must be called before other sst_file_writer methods. This is
// because point writes take precedence over range deletions
// in the same ingested sst. This precedence is part of
// `SstFileWriter::DeleteRange()`'s API contract.
std::string start_key = Key(range_deletions[i].first);
std::string end_key = Key(range_deletions[i].second);
s = sst_file_writer.DeleteRange(start_key, end_key);
if (!s.ok()) {
sst_file_writer.Finish();
return s;
}
auto start_key_it = true_data->find(start_key);
if (start_key_it == true_data->end()) {
start_key_it = true_data->upper_bound(start_key);
}
auto end_key_it = true_data->find(end_key);
if (end_key_it == true_data->end()) {
end_key_it = true_data->upper_bound(end_key);
}
true_data->erase(start_key_it, end_key_it);
}
for (size_t i = 0; i < keys.size(); i++) {
std::string key = Key(keys[i]);
std::string value = Key(keys[i]) + std::to_string(file_id);
ValueType value_type =
(value_types.size() == 1 ? value_types[0] : value_types[i]);
switch (value_type) {
case ValueType::kTypeValue:
s = sst_file_writer.Put(key, value);
(*true_data)[key] = value;
break;
case ValueType::kTypeMerge:
s = sst_file_writer.Merge(key, value);
// we only use TestPutOperator in this test
(*true_data)[key] = value;
break;
case ValueType::kTypeDeletion:
s = sst_file_writer.Delete(key);
true_data->erase(key);
break;
default:
return Status::InvalidArgument("Value type is not supported");
}
if (!s.ok()) {
sst_file_writer.Finish();
return s;
}
}
s = sst_file_writer.Finish();
if (s.ok()) {
IngestExternalFileOptions ifo;
ifo.allow_global_seqno = true;
ifo.write_global_seqno = write_global_seqno;
ifo.verify_checksums_before_ingest = verify_checksums_before_ingest;
s = db_->IngestExternalFile({file_path}, ifo);
}
return s;
}
Status GenerateAndAddExternalFile(
const Options options, std::vector<int> keys,
const std::vector<ValueType>& value_types, int file_id,
bool write_global_seqno, bool verify_checksums_before_ingest,
std::map<std::string, std::string>* true_data) {
return GenerateAndAddExternalFile(
options, keys, value_types, {}, file_id, write_global_seqno,
verify_checksums_before_ingest, true_data);
}
Status GenerateAndAddExternalFile(
const Options options, std::vector<int> keys, const ValueType value_type,
int file_id, bool write_global_seqno, bool verify_checksums_before_ingest,
std::map<std::string, std::string>* true_data) {
return GenerateAndAddExternalFile(
options, keys, std::vector<ValueType>(1, value_type), file_id,
write_global_seqno, verify_checksums_before_ingest, true_data);
}
~ExternalSSTFileBasicTest() override {
DestroyDir(env_, sst_files_dir_).PermitUncheckedError();
}
protected:
std::string sst_files_dir_;
std::unique_ptr<FaultInjectionTestEnv> fault_injection_test_env_;
bool random_rwfile_supported_;
};
TEST_F(ExternalSSTFileBasicTest, Basic) {
Options options = CurrentOptions();
SstFileWriter sst_file_writer(EnvOptions(), options);
// Current file size should be 0 after sst_file_writer init and before open a
// file.
ASSERT_EQ(sst_file_writer.FileSize(), 0);
// file1.sst (0 => 99)
std::string file1 = sst_files_dir_ + "file1.sst";
ASSERT_OK(sst_file_writer.Open(file1));
for (int k = 0; k < 100; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file1_info;
Status s = sst_file_writer.Finish(&file1_info);
ASSERT_OK(s) << s.ToString();
// Current file size should be non-zero after success write.
ASSERT_GT(sst_file_writer.FileSize(), 0);
ASSERT_EQ(file1_info.file_path, file1);
ASSERT_EQ(file1_info.num_entries, 100);
ASSERT_EQ(file1_info.smallest_key, Key(0));
ASSERT_EQ(file1_info.largest_key, Key(99));
ASSERT_EQ(file1_info.num_range_del_entries, 0);
ASSERT_EQ(file1_info.smallest_range_del_key, "");
ASSERT_EQ(file1_info.largest_range_del_key, "");
ASSERT_EQ(file1_info.file_checksum, kUnknownFileChecksum);
ASSERT_EQ(file1_info.file_checksum_func_name, kUnknownFileChecksumFuncName);
// sst_file_writer already finished, cannot add this value
s = sst_file_writer.Put(Key(100), "bad_val");
ASSERT_NOK(s) << s.ToString();
s = sst_file_writer.DeleteRange(Key(100), Key(200));
ASSERT_NOK(s) << s.ToString();
DestroyAndReopen(options);
// Add file using file path
s = DeprecatedAddFile({file1});
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(db_->GetLatestSequenceNumber(), 0U);
for (int k = 0; k < 100; k++) {
ASSERT_EQ(Get(Key(k)), Key(k) + "_val");
}
DestroyAndRecreateExternalSSTFilesDir();
}
class ChecksumVerifyHelper {
private:
Options options_;
public:
ChecksumVerifyHelper(Options& options) : options_(options) {}
~ChecksumVerifyHelper() = default;
Status GetSingleFileChecksumAndFuncName(
const std::string& file_path, std::string* file_checksum,
std::string* file_checksum_func_name) {
Status s;
EnvOptions soptions;
std::unique_ptr<SequentialFile> file_reader;
s = options_.env->NewSequentialFile(file_path, &file_reader, soptions);
if (!s.ok()) {
return s;
}
std::unique_ptr<char[]> scratch(new char[2048]);
Slice result;
FileChecksumGenFactory* file_checksum_gen_factory =
options_.file_checksum_gen_factory.get();
if (file_checksum_gen_factory == nullptr) {
*file_checksum = kUnknownFileChecksum;
*file_checksum_func_name = kUnknownFileChecksumFuncName;
return Status::OK();
} else {
FileChecksumGenContext gen_context;
std::unique_ptr<FileChecksumGenerator> file_checksum_gen =
file_checksum_gen_factory->CreateFileChecksumGenerator(gen_context);
*file_checksum_func_name = file_checksum_gen->Name();
s = file_reader->Read(2048, &result, scratch.get());
if (!s.ok()) {
return s;
}
while (result.size() != 0) {
file_checksum_gen->Update(scratch.get(), result.size());
s = file_reader->Read(2048, &result, scratch.get());
if (!s.ok()) {
return s;
}
}
file_checksum_gen->Finalize();
*file_checksum = file_checksum_gen->GetChecksum();
}
return Status::OK();
}
};
TEST_F(ExternalSSTFileBasicTest, BasicWithFileChecksumCrc32c) {
Options options = CurrentOptions();
options.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
ChecksumVerifyHelper checksum_helper(options);
SstFileWriter sst_file_writer(EnvOptions(), options);
// Current file size should be 0 after sst_file_writer init and before open a
// file.
ASSERT_EQ(sst_file_writer.FileSize(), 0);
// file1.sst (0 => 99)
std::string file1 = sst_files_dir_ + "file1.sst";
ASSERT_OK(sst_file_writer.Open(file1));
for (int k = 0; k < 100; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file1_info;
Status s = sst_file_writer.Finish(&file1_info);
ASSERT_OK(s) << s.ToString();
std::string file_checksum, file_checksum_func_name;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file1, &file_checksum, &file_checksum_func_name));
// Current file size should be non-zero after success write.
ASSERT_GT(sst_file_writer.FileSize(), 0);
ASSERT_EQ(file1_info.file_path, file1);
ASSERT_EQ(file1_info.num_entries, 100);
ASSERT_EQ(file1_info.smallest_key, Key(0));
ASSERT_EQ(file1_info.largest_key, Key(99));
ASSERT_EQ(file1_info.num_range_del_entries, 0);
ASSERT_EQ(file1_info.smallest_range_del_key, "");
ASSERT_EQ(file1_info.largest_range_del_key, "");
ASSERT_EQ(file1_info.file_checksum, file_checksum);
ASSERT_EQ(file1_info.file_checksum_func_name, file_checksum_func_name);
// sst_file_writer already finished, cannot add this value
s = sst_file_writer.Put(Key(100), "bad_val");
ASSERT_NOK(s) << s.ToString();
s = sst_file_writer.DeleteRange(Key(100), Key(200));
ASSERT_NOK(s) << s.ToString();
DestroyAndReopen(options);
// Add file using file path
s = DeprecatedAddFile({file1});
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(db_->GetLatestSequenceNumber(), 0U);
for (int k = 0; k < 100; k++) {
ASSERT_EQ(Get(Key(k)), Key(k) + "_val");
}
DestroyAndRecreateExternalSSTFilesDir();
}
TEST_F(ExternalSSTFileBasicTest, IngestFileWithFileChecksum) {
Options old_options = CurrentOptions();
Options options = CurrentOptions();
options.file_checksum_gen_factory = GetFileChecksumGenCrc32cFactory();
const ImmutableCFOptions ioptions(options);
ChecksumVerifyHelper checksum_helper(options);
SstFileWriter sst_file_writer(EnvOptions(), options);
// file01.sst (1000 => 1099)
std::string file1 = sst_files_dir_ + "file01.sst";
ASSERT_OK(sst_file_writer.Open(file1));
for (int k = 1000; k < 1100; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file1_info;
Status s = sst_file_writer.Finish(&file1_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file1_info.file_path, file1);
ASSERT_EQ(file1_info.num_entries, 100);
ASSERT_EQ(file1_info.smallest_key, Key(1000));
ASSERT_EQ(file1_info.largest_key, Key(1099));
std::string file_checksum1, file_checksum_func_name1;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file1, &file_checksum1, &file_checksum_func_name1));
ASSERT_EQ(file1_info.file_checksum, file_checksum1);
ASSERT_EQ(file1_info.file_checksum_func_name, file_checksum_func_name1);
// file02.sst (1100 => 1299)
std::string file2 = sst_files_dir_ + "file02.sst";
ASSERT_OK(sst_file_writer.Open(file2));
for (int k = 1100; k < 1300; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file2_info;
s = sst_file_writer.Finish(&file2_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file2_info.file_path, file2);
ASSERT_EQ(file2_info.num_entries, 200);
ASSERT_EQ(file2_info.smallest_key, Key(1100));
ASSERT_EQ(file2_info.largest_key, Key(1299));
std::string file_checksum2, file_checksum_func_name2;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file2, &file_checksum2, &file_checksum_func_name2));
ASSERT_EQ(file2_info.file_checksum, file_checksum2);
ASSERT_EQ(file2_info.file_checksum_func_name, file_checksum_func_name2);
// file03.sst (1300 => 1499)
std::string file3 = sst_files_dir_ + "file03.sst";
ASSERT_OK(sst_file_writer.Open(file3));
for (int k = 1300; k < 1500; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val_overlap"));
}
ExternalSstFileInfo file3_info;
s = sst_file_writer.Finish(&file3_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file3_info.file_path, file3);
ASSERT_EQ(file3_info.num_entries, 200);
ASSERT_EQ(file3_info.smallest_key, Key(1300));
ASSERT_EQ(file3_info.largest_key, Key(1499));
std::string file_checksum3, file_checksum_func_name3;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file3, &file_checksum3, &file_checksum_func_name3));
ASSERT_EQ(file3_info.file_checksum, file_checksum3);
ASSERT_EQ(file3_info.file_checksum_func_name, file_checksum_func_name3);
// file04.sst (1500 => 1799)
std::string file4 = sst_files_dir_ + "file04.sst";
ASSERT_OK(sst_file_writer.Open(file4));
for (int k = 1500; k < 1800; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val_overlap"));
}
ExternalSstFileInfo file4_info;
s = sst_file_writer.Finish(&file4_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file4_info.file_path, file4);
ASSERT_EQ(file4_info.num_entries, 300);
ASSERT_EQ(file4_info.smallest_key, Key(1500));
ASSERT_EQ(file4_info.largest_key, Key(1799));
std::string file_checksum4, file_checksum_func_name4;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file4, &file_checksum4, &file_checksum_func_name4));
ASSERT_EQ(file4_info.file_checksum, file_checksum4);
ASSERT_EQ(file4_info.file_checksum_func_name, file_checksum_func_name4);
// file05.sst (1800 => 1899)
std::string file5 = sst_files_dir_ + "file05.sst";
ASSERT_OK(sst_file_writer.Open(file5));
for (int k = 1800; k < 2000; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val_overlap"));
}
ExternalSstFileInfo file5_info;
s = sst_file_writer.Finish(&file5_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file5_info.file_path, file5);
ASSERT_EQ(file5_info.num_entries, 200);
ASSERT_EQ(file5_info.smallest_key, Key(1800));
ASSERT_EQ(file5_info.largest_key, Key(1999));
std::string file_checksum5, file_checksum_func_name5;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file5, &file_checksum5, &file_checksum_func_name5));
ASSERT_EQ(file5_info.file_checksum, file_checksum5);
ASSERT_EQ(file5_info.file_checksum_func_name, file_checksum_func_name5);
// file06.sst (2000 => 2199)
std::string file6 = sst_files_dir_ + "file06.sst";
ASSERT_OK(sst_file_writer.Open(file6));
for (int k = 2000; k < 2200; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val_overlap"));
}
ExternalSstFileInfo file6_info;
s = sst_file_writer.Finish(&file6_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file6_info.file_path, file6);
ASSERT_EQ(file6_info.num_entries, 200);
ASSERT_EQ(file6_info.smallest_key, Key(2000));
ASSERT_EQ(file6_info.largest_key, Key(2199));
std::string file_checksum6, file_checksum_func_name6;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
file6, &file_checksum6, &file_checksum_func_name6));
ASSERT_EQ(file6_info.file_checksum, file_checksum6);
ASSERT_EQ(file6_info.file_checksum_func_name, file_checksum_func_name6);
s = AddFileWithFileChecksum({file1}, {file_checksum1, "xyz"},
{file_checksum1}, true, false, false, false);
// does not care the checksum input since db does not enable file checksum
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file1));
std::vector<LiveFileMetaData> live_files;
dbfull()->GetLiveFilesMetaData(&live_files);
std::set<std::string> set1;
for (const auto& f : live_files) {
set1.insert(f.name);
ASSERT_EQ(f.file_checksum, kUnknownFileChecksum);
ASSERT_EQ(f.file_checksum_func_name, kUnknownFileChecksumFuncName);
}
// check the temperature of the file being ingested
ColumnFamilyMetaData metadata;
db_->GetColumnFamilyMetaData(&metadata);
ASSERT_EQ(1, metadata.file_count);
ASSERT_EQ(Temperature::kUnknown, metadata.levels[6].files[0].temperature);
auto size = GetSstSizeHelper(Temperature::kUnknown);
ASSERT_GT(size, 0);
size = GetSstSizeHelper(Temperature::kWarm);
ASSERT_EQ(size, 0);
size = GetSstSizeHelper(Temperature::kHot);
ASSERT_EQ(size, 0);
size = GetSstSizeHelper(Temperature::kCold);
ASSERT_EQ(size, 0);
// Reopen Db with checksum enabled
Reopen(options);
// Enable verify_file_checksum option
// The checksum vector does not match, fail the ingestion
s = AddFileWithFileChecksum({file2}, {file_checksum2, "xyz"},
{file_checksum_func_name2}, true, false, false,
false);
ASSERT_NOK(s) << s.ToString();
// Enable verify_file_checksum option
// The checksum name does not match, fail the ingestion
s = AddFileWithFileChecksum({file2}, {file_checksum2}, {"xyz"}, true, false,
false, false);
ASSERT_NOK(s) << s.ToString();
// Enable verify_file_checksum option
// The checksum itself does not match, fail the ingestion
s = AddFileWithFileChecksum({file2}, {"xyz"}, {file_checksum_func_name2},
true, false, false, false);
ASSERT_NOK(s) << s.ToString();
// Enable verify_file_checksum option
// All matches, ingestion is successful
s = AddFileWithFileChecksum({file2}, {file_checksum2},
{file_checksum_func_name2}, true, false, false,
false);
ASSERT_OK(s) << s.ToString();
std::vector<LiveFileMetaData> live_files1;
dbfull()->GetLiveFilesMetaData(&live_files1);
for (const auto& f : live_files1) {
if (set1.find(f.name) == set1.end()) {
ASSERT_EQ(f.file_checksum, file_checksum2);
ASSERT_EQ(f.file_checksum_func_name, file_checksum_func_name2);
set1.insert(f.name);
}
}
ASSERT_OK(env_->FileExists(file2));
// Enable verify_file_checksum option
// No checksum information is provided, generate it when ingesting
std::vector<std::string> checksum, checksum_func;
s = AddFileWithFileChecksum({file3}, checksum, checksum_func, true, false,
false, false);
ASSERT_OK(s) << s.ToString();
std::vector<LiveFileMetaData> live_files2;
dbfull()->GetLiveFilesMetaData(&live_files2);
for (const auto& f : live_files2) {
if (set1.find(f.name) == set1.end()) {
ASSERT_EQ(f.file_checksum, file_checksum3);
ASSERT_EQ(f.file_checksum_func_name, file_checksum_func_name3);
set1.insert(f.name);
}
}
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file3));
// Does not enable verify_file_checksum options
// The checksum name does not match, fail the ingestion
s = AddFileWithFileChecksum({file4}, {file_checksum4}, {"xyz"}, false, false,
false, false);
ASSERT_NOK(s) << s.ToString();
// Does not enable verify_file_checksum options
// Checksum function name matches, store the checksum being ingested.
s = AddFileWithFileChecksum({file4}, {"asd"}, {file_checksum_func_name4},
false, false, false, false);
ASSERT_OK(s) << s.ToString();
std::vector<LiveFileMetaData> live_files3;
dbfull()->GetLiveFilesMetaData(&live_files3);
for (const auto& f : live_files3) {
if (set1.find(f.name) == set1.end()) {
ASSERT_FALSE(f.file_checksum == file_checksum4);
ASSERT_EQ(f.file_checksum, "asd");
ASSERT_EQ(f.file_checksum_func_name, file_checksum_func_name4);
set1.insert(f.name);
}
}
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file4));
// enable verify_file_checksum options, DB enable checksum, and enable
// write_global_seq. So the checksum stored is different from the one
// ingested due to the sequence number changes.
s = AddFileWithFileChecksum({file5}, {file_checksum5},
{file_checksum_func_name5}, true, false, false,
true);
ASSERT_OK(s) << s.ToString();
std::vector<LiveFileMetaData> live_files4;
dbfull()->GetLiveFilesMetaData(&live_files4);
for (const auto& f : live_files4) {
if (set1.find(f.name) == set1.end()) {
std::string cur_checksum5, cur_checksum_func_name5;
ASSERT_OK(checksum_helper.GetSingleFileChecksumAndFuncName(
dbname_ + f.name, &cur_checksum5, &cur_checksum_func_name5));
ASSERT_EQ(f.file_checksum, cur_checksum5);
ASSERT_EQ(f.file_checksum_func_name, file_checksum_func_name5);
set1.insert(f.name);
}
}
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file5));
// Does not enable verify_file_checksum options and also the ingested file
// checksum information is empty. DB will generate and store the checksum
// in Manifest.
std::vector<std::string> files_c6, files_name6;
s = AddFileWithFileChecksum({file6}, files_c6, files_name6, false, false,
false, false);
ASSERT_OK(s) << s.ToString();
std::vector<LiveFileMetaData> live_files6;
dbfull()->GetLiveFilesMetaData(&live_files6);
for (const auto& f : live_files6) {
if (set1.find(f.name) == set1.end()) {
ASSERT_EQ(f.file_checksum, file_checksum6);
ASSERT_EQ(f.file_checksum_func_name, file_checksum_func_name6);
set1.insert(f.name);
}
}
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file6));
db_->GetColumnFamilyMetaData(&metadata);
size = GetSstSizeHelper(Temperature::kUnknown);
ASSERT_GT(size, 0);
size = GetSstSizeHelper(Temperature::kWarm);
ASSERT_EQ(size, 0);
size = GetSstSizeHelper(Temperature::kHot);
ASSERT_EQ(size, 0);
size = GetSstSizeHelper(Temperature::kCold);
ASSERT_EQ(size, 0);
}
TEST_F(ExternalSSTFileBasicTest, NoCopy) {
Options options = CurrentOptions();
const ImmutableCFOptions ioptions(options);
SstFileWriter sst_file_writer(EnvOptions(), options);
// file1.sst (0 => 99)
std::string file1 = sst_files_dir_ + "file1.sst";
ASSERT_OK(sst_file_writer.Open(file1));
for (int k = 0; k < 100; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file1_info;
Status s = sst_file_writer.Finish(&file1_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file1_info.file_path, file1);
ASSERT_EQ(file1_info.num_entries, 100);
ASSERT_EQ(file1_info.smallest_key, Key(0));
ASSERT_EQ(file1_info.largest_key, Key(99));
// file2.sst (100 => 299)
std::string file2 = sst_files_dir_ + "file2.sst";
ASSERT_OK(sst_file_writer.Open(file2));
for (int k = 100; k < 300; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val"));
}
ExternalSstFileInfo file2_info;
s = sst_file_writer.Finish(&file2_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file2_info.file_path, file2);
ASSERT_EQ(file2_info.num_entries, 200);
ASSERT_EQ(file2_info.smallest_key, Key(100));
ASSERT_EQ(file2_info.largest_key, Key(299));
// file3.sst (110 => 124) .. overlap with file2.sst
std::string file3 = sst_files_dir_ + "file3.sst";
ASSERT_OK(sst_file_writer.Open(file3));
for (int k = 110; k < 125; k++) {
ASSERT_OK(sst_file_writer.Put(Key(k), Key(k) + "_val_overlap"));
}
ExternalSstFileInfo file3_info;
s = sst_file_writer.Finish(&file3_info);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(file3_info.file_path, file3);
ASSERT_EQ(file3_info.num_entries, 15);
ASSERT_EQ(file3_info.smallest_key, Key(110));
ASSERT_EQ(file3_info.largest_key, Key(124));
s = DeprecatedAddFile({file1}, true /* move file */);
ASSERT_OK(s) << s.ToString();
ASSERT_EQ(Status::NotFound(), env_->FileExists(file1));
s = DeprecatedAddFile({file2}, false /* copy file */);
ASSERT_OK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file2));
// This file has overlapping values with the existing data
s = DeprecatedAddFile({file3}, true /* move file */);
ASSERT_NOK(s) << s.ToString();
ASSERT_OK(env_->FileExists(file3));
for (int k = 0; k < 300; k++) {
ASSERT_EQ(Get(Key(k)), Key(k) + "_val");
}
}
TEST_P(ExternalSSTFileBasicTest, IngestFileWithGlobalSeqnoPickedSeqno) {
bool write_global_seqno = std::get<0>(GetParam());
bool verify_checksums_before_ingest = std::get<1>(GetParam());
do {
Options options = CurrentOptions();
options.disable_auto_compactions = true;
DestroyAndReopen(options);
std::map<std::string, std::string> true_data;
int file_id = 1;
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 2, 3, 4, 5, 6}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {10, 11, 12, 13}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 4, 6}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 1);
ASSERT_OK(GenerateAndAddExternalFile(
options, {11, 15, 19}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {120, 130}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 130}, ValueType::kTypeValue, file_id++, write_global_seqno,
verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);
// Write some keys through normal write path
for (int i = 0; i < 50; i++) {
ASSERT_OK(Put(Key(i), "memtable"));
true_data[Key(i)] = "memtable";
}
SequenceNumber last_seqno = dbfull()->GetLatestSequenceNumber();
ASSERT_OK(GenerateAndAddExternalFile(
options, {60, 61, 62}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno);
ASSERT_OK(GenerateAndAddExternalFile(
options, {40, 41, 42}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 1);
ASSERT_OK(GenerateAndAddExternalFile(
options, {20, 30, 40}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 2);
const Snapshot* snapshot = db_->GetSnapshot();
// We will need a seqno for the file regardless if the file overwrite
// keys in the DB or not because we have a snapshot
ASSERT_OK(GenerateAndAddExternalFile(
options, {1000, 1002}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 3);
ASSERT_OK(GenerateAndAddExternalFile(
options, {2000, 3002}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 4);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 20, 40, 100, 150}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
db_->ReleaseSnapshot(snapshot);
ASSERT_OK(GenerateAndAddExternalFile(
options, {5000, 5001}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// No snapshot anymore, no need to assign a seqno
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
size_t kcnt = 0;
VerifyDBFromMap(true_data, &kcnt, false);
} while (ChangeOptionsForFileIngestionTest());
}
TEST_P(ExternalSSTFileBasicTest, IngestFileWithMultipleValueType) {
bool write_global_seqno = std::get<0>(GetParam());
bool verify_checksums_before_ingest = std::get<1>(GetParam());
do {
Options options = CurrentOptions();
options.disable_auto_compactions = true;
options.merge_operator.reset(new TestPutOperator());
DestroyAndReopen(options);
std::map<std::string, std::string> true_data;
int file_id = 1;
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 2, 3, 4, 5, 6}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {10, 11, 12, 13}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 4, 6}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 1);
ASSERT_OK(GenerateAndAddExternalFile(
options, {11, 15, 19}, ValueType::kTypeDeletion, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {120, 130}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 130}, ValueType::kTypeDeletion, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);
ASSERT_OK(GenerateAndAddExternalFile(
options, {120}, {ValueType::kTypeValue}, {{120, 135}}, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 4);
ASSERT_OK(GenerateAndAddExternalFile(
options, {}, {}, {{110, 120}}, file_id++, write_global_seqno,
verify_checksums_before_ingest, &true_data));
// The range deletion ends on a key, but it doesn't actually delete
// this key because the largest key in the range is exclusive. Still,
// it counts as an overlap so a new seqno will be assigned.
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 5);
ASSERT_OK(GenerateAndAddExternalFile(
options, {}, {}, {{100, 109}}, file_id++, write_global_seqno,
verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 5);
// Write some keys through normal write path
for (int i = 0; i < 50; i++) {
ASSERT_OK(Put(Key(i), "memtable"));
true_data[Key(i)] = "memtable";
}
SequenceNumber last_seqno = dbfull()->GetLatestSequenceNumber();
ASSERT_OK(GenerateAndAddExternalFile(
options, {60, 61, 62}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno);
ASSERT_OK(GenerateAndAddExternalFile(
options, {40, 41, 42}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 1);
ASSERT_OK(GenerateAndAddExternalFile(
options, {20, 30, 40}, ValueType::kTypeDeletion, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 2);
const Snapshot* snapshot = db_->GetSnapshot();
// We will need a seqno for the file regardless if the file overwrite
// keys in the DB or not because we have a snapshot
ASSERT_OK(GenerateAndAddExternalFile(
options, {1000, 1002}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 3);
ASSERT_OK(GenerateAndAddExternalFile(
options, {2000, 3002}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 4);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 20, 40, 100, 150}, ValueType::kTypeMerge, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// A global seqno will be assigned anyway because of the snapshot
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
db_->ReleaseSnapshot(snapshot);
ASSERT_OK(GenerateAndAddExternalFile(
options, {5000, 5001}, ValueType::kTypeValue, file_id++,
write_global_seqno, verify_checksums_before_ingest, &true_data));
// No snapshot anymore, no need to assign a seqno
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
size_t kcnt = 0;
VerifyDBFromMap(true_data, &kcnt, false);
} while (ChangeOptionsForFileIngestionTest());
}
TEST_P(ExternalSSTFileBasicTest, IngestFileWithMixedValueType) {
bool write_global_seqno = std::get<0>(GetParam());
bool verify_checksums_before_ingest = std::get<1>(GetParam());
do {
Options options = CurrentOptions();
options.disable_auto_compactions = true;
options.merge_operator.reset(new TestPutOperator());
DestroyAndReopen(options);
std::map<std::string, std::string> true_data;
int file_id = 1;
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 2, 3, 4, 5, 6},
{ValueType::kTypeValue, ValueType::kTypeMerge, ValueType::kTypeValue,
ValueType::kTypeMerge, ValueType::kTypeValue, ValueType::kTypeMerge},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {10, 11, 12, 13},
{ValueType::kTypeValue, ValueType::kTypeMerge, ValueType::kTypeValue,
ValueType::kTypeMerge},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 4, 6},
{ValueType::kTypeDeletion, ValueType::kTypeValue,
ValueType::kTypeMerge},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 1);
ASSERT_OK(GenerateAndAddExternalFile(
options, {11, 15, 19},
{ValueType::kTypeDeletion, ValueType::kTypeMerge,
ValueType::kTypeValue},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {120, 130}, {ValueType::kTypeValue, ValueType::kTypeMerge},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
ASSERT_OK(GenerateAndAddExternalFile(
options, {1, 130}, {ValueType::kTypeMerge, ValueType::kTypeDeletion},
file_id++, write_global_seqno, verify_checksums_before_ingest,
&true_data));
// File overwrites some keys, a seqno will be assigned
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);
ASSERT_OK(GenerateAndAddExternalFile(
options, {150, 151, 152},
{ValueType::kTypeValue, ValueType::kTypeMerge,
ValueType::kTypeDeletion},
{{150, 160}, {180, 190}}, file_id++, write_global_seqno,
verify_checksums_before_ingest, &true_data));
// File doesn't overwrite any keys, no seqno needed
ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);