rocksdb/utilities/option_change_migration/option_change_migration_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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "rocksdb/utilities/option_change_migration.h"
#include <set>
#include "db/db_test_util.h"
#include "port/stack_trace.h"
#include "util/random.h"
namespace ROCKSDB_NAMESPACE {
class DBOptionChangeMigrationTests
: public DBTestBase,
public testing::WithParamInterface<
std::tuple<int, int, bool, int, int, bool>> {
public:
DBOptionChangeMigrationTests()
: DBTestBase("/db_option_change_migration_test", /*env_do_fsync=*/true) {
level1_ = std::get<0>(GetParam());
compaction_style1_ = std::get<1>(GetParam());
is_dynamic1_ = std::get<2>(GetParam());
level2_ = std::get<3>(GetParam());
compaction_style2_ = std::get<4>(GetParam());
is_dynamic2_ = std::get<5>(GetParam());
}
// Required if inheriting from testing::WithParamInterface<>
static void SetUpTestCase() {}
static void TearDownTestCase() {}
int level1_;
int compaction_style1_;
bool is_dynamic1_;
int level2_;
int compaction_style2_;
bool is_dynamic2_;
};
#ifndef ROCKSDB_LITE
TEST_P(DBOptionChangeMigrationTests, Migrate1) {
Options old_options = CurrentOptions();
old_options.compaction_style =
static_cast<CompactionStyle>(compaction_style1_);
if (old_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
old_options.level_compaction_dynamic_level_bytes = is_dynamic1_;
}
old_options.level0_file_num_compaction_trigger = 3;
old_options.write_buffer_size = 64 * 1024;
old_options.target_file_size_base = 128 * 1024;
// Make level target of L1, L2 to be 200KB and 600KB
old_options.num_levels = level1_;
old_options.max_bytes_for_level_multiplier = 3;
old_options.max_bytes_for_level_base = 200 * 1024;
Reopen(old_options);
Random rnd(301);
int key_idx = 0;
// Generate at least 2MB of data
for (int num = 0; num < 20; num++) {
GenerateNewFile(&rnd, &key_idx);
}
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
// Will make sure exactly those keys are in the DB after migration.
std::set<std::string> keys;
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (; it->Valid(); it->Next()) {
keys.insert(it->key().ToString());
}
}
Close();
Options new_options = old_options;
new_options.compaction_style =
static_cast<CompactionStyle>(compaction_style2_);
if (new_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
new_options.level_compaction_dynamic_level_bytes = is_dynamic2_;
}
new_options.target_file_size_base = 256 * 1024;
new_options.num_levels = level2_;
new_options.max_bytes_for_level_base = 150 * 1024;
new_options.max_bytes_for_level_multiplier = 4;
ASSERT_OK(OptionChangeMigration(dbname_, old_options, new_options));
Reopen(new_options);
// Wait for compaction to finish and make sure it can reopen
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
Reopen(new_options);
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (std::string key : keys) {
ASSERT_TRUE(it->Valid());
ASSERT_EQ(key, it->key().ToString());
it->Next();
}
ASSERT_TRUE(!it->Valid());
}
}
TEST_P(DBOptionChangeMigrationTests, Migrate2) {
Options old_options = CurrentOptions();
old_options.compaction_style =
static_cast<CompactionStyle>(compaction_style2_);
if (old_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
old_options.level_compaction_dynamic_level_bytes = is_dynamic2_;
}
old_options.level0_file_num_compaction_trigger = 3;
old_options.write_buffer_size = 64 * 1024;
old_options.target_file_size_base = 128 * 1024;
// Make level target of L1, L2 to be 200KB and 600KB
old_options.num_levels = level2_;
old_options.max_bytes_for_level_multiplier = 3;
old_options.max_bytes_for_level_base = 200 * 1024;
Reopen(old_options);
Random rnd(301);
int key_idx = 0;
// Generate at least 2MB of data
for (int num = 0; num < 20; num++) {
GenerateNewFile(&rnd, &key_idx);
}
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
// Will make sure exactly those keys are in the DB after migration.
std::set<std::string> keys;
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (; it->Valid(); it->Next()) {
keys.insert(it->key().ToString());
}
}
Close();
Options new_options = old_options;
new_options.compaction_style =
static_cast<CompactionStyle>(compaction_style1_);
if (new_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
new_options.level_compaction_dynamic_level_bytes = is_dynamic1_;
}
new_options.target_file_size_base = 256 * 1024;
new_options.num_levels = level1_;
new_options.max_bytes_for_level_base = 150 * 1024;
new_options.max_bytes_for_level_multiplier = 4;
ASSERT_OK(OptionChangeMigration(dbname_, old_options, new_options));
Reopen(new_options);
// Wait for compaction to finish and make sure it can reopen
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
Reopen(new_options);
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (std::string key : keys) {
ASSERT_TRUE(it->Valid());
ASSERT_EQ(key, it->key().ToString());
it->Next();
}
ASSERT_TRUE(!it->Valid());
}
}
TEST_P(DBOptionChangeMigrationTests, Migrate3) {
Options old_options = CurrentOptions();
old_options.compaction_style =
static_cast<CompactionStyle>(compaction_style1_);
if (old_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
old_options.level_compaction_dynamic_level_bytes = is_dynamic1_;
}
old_options.level0_file_num_compaction_trigger = 3;
old_options.write_buffer_size = 64 * 1024;
old_options.target_file_size_base = 128 * 1024;
// Make level target of L1, L2 to be 200KB and 600KB
old_options.num_levels = level1_;
old_options.max_bytes_for_level_multiplier = 3;
old_options.max_bytes_for_level_base = 200 * 1024;
Reopen(old_options);
Random rnd(301);
for (int num = 0; num < 20; num++) {
for (int i = 0; i < 50; i++) {
ASSERT_OK(Put(Key(num * 100 + i), rnd.RandomString(900)));
}
Flush();
dbfull()->TEST_WaitForCompact();
if (num == 9) {
// Issue a full compaction to generate some zero-out files
CompactRangeOptions cro;
cro.bottommost_level_compaction = BottommostLevelCompaction::kForce;
dbfull()->CompactRange(cro, nullptr, nullptr);
}
}
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
// Will make sure exactly those keys are in the DB after migration.
std::set<std::string> keys;
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (; it->Valid(); it->Next()) {
keys.insert(it->key().ToString());
}
}
Close();
Options new_options = old_options;
new_options.compaction_style =
static_cast<CompactionStyle>(compaction_style2_);
if (new_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
new_options.level_compaction_dynamic_level_bytes = is_dynamic2_;
}
new_options.target_file_size_base = 256 * 1024;
new_options.num_levels = level2_;
new_options.max_bytes_for_level_base = 150 * 1024;
new_options.max_bytes_for_level_multiplier = 4;
ASSERT_OK(OptionChangeMigration(dbname_, old_options, new_options));
Reopen(new_options);
// Wait for compaction to finish and make sure it can reopen
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
Reopen(new_options);
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (std::string key : keys) {
ASSERT_TRUE(it->Valid());
ASSERT_EQ(key, it->key().ToString());
it->Next();
}
ASSERT_TRUE(!it->Valid());
}
}
TEST_P(DBOptionChangeMigrationTests, Migrate4) {
Options old_options = CurrentOptions();
old_options.compaction_style =
static_cast<CompactionStyle>(compaction_style2_);
if (old_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
old_options.level_compaction_dynamic_level_bytes = is_dynamic2_;
}
old_options.level0_file_num_compaction_trigger = 3;
old_options.write_buffer_size = 64 * 1024;
old_options.target_file_size_base = 128 * 1024;
// Make level target of L1, L2 to be 200KB and 600KB
old_options.num_levels = level2_;
old_options.max_bytes_for_level_multiplier = 3;
old_options.max_bytes_for_level_base = 200 * 1024;
Reopen(old_options);
Random rnd(301);
for (int num = 0; num < 20; num++) {
for (int i = 0; i < 50; i++) {
ASSERT_OK(Put(Key(num * 100 + i), rnd.RandomString(900)));
}
Flush();
dbfull()->TEST_WaitForCompact();
if (num == 9) {
// Issue a full compaction to generate some zero-out files
CompactRangeOptions cro;
cro.bottommost_level_compaction = BottommostLevelCompaction::kForce;
dbfull()->CompactRange(cro, nullptr, nullptr);
}
}
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
// Will make sure exactly those keys are in the DB after migration.
std::set<std::string> keys;
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (; it->Valid(); it->Next()) {
keys.insert(it->key().ToString());
}
}
Close();
Options new_options = old_options;
new_options.compaction_style =
static_cast<CompactionStyle>(compaction_style1_);
if (new_options.compaction_style == CompactionStyle::kCompactionStyleLevel) {
new_options.level_compaction_dynamic_level_bytes = is_dynamic1_;
}
new_options.target_file_size_base = 256 * 1024;
new_options.num_levels = level1_;
new_options.max_bytes_for_level_base = 150 * 1024;
new_options.max_bytes_for_level_multiplier = 4;
ASSERT_OK(OptionChangeMigration(dbname_, old_options, new_options));
Reopen(new_options);
// Wait for compaction to finish and make sure it can reopen
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
Reopen(new_options);
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (std::string key : keys) {
ASSERT_TRUE(it->Valid());
ASSERT_EQ(key, it->key().ToString());
it->Next();
}
ASSERT_TRUE(!it->Valid());
}
}
INSTANTIATE_TEST_CASE_P(
DBOptionChangeMigrationTests, DBOptionChangeMigrationTests,
::testing::Values(std::make_tuple(3, 0, false, 4, 0, false),
std::make_tuple(3, 0, true, 4, 0, true),
std::make_tuple(3, 0, true, 4, 0, false),
std::make_tuple(3, 0, false, 4, 0, true),
std::make_tuple(3, 1, false, 4, 1, false),
std::make_tuple(1, 1, false, 4, 1, false),
std::make_tuple(3, 0, false, 4, 1, false),
std::make_tuple(3, 0, false, 1, 1, false),
std::make_tuple(3, 0, true, 4, 1, false),
std::make_tuple(3, 0, true, 1, 1, false),
std::make_tuple(1, 1, false, 4, 0, false),
std::make_tuple(4, 0, false, 1, 2, false),
std::make_tuple(3, 0, true, 2, 2, false),
std::make_tuple(3, 1, false, 3, 2, false),
std::make_tuple(1, 1, false, 4, 2, false)));
class DBOptionChangeMigrationTest : public DBTestBase {
public:
DBOptionChangeMigrationTest()
: DBTestBase("/db_option_change_migration_test2", /*env_do_fsync=*/true) {
}
};
TEST_F(DBOptionChangeMigrationTest, CompactedSrcToUniversal) {
Options old_options = CurrentOptions();
old_options.compaction_style = CompactionStyle::kCompactionStyleLevel;
old_options.max_compaction_bytes = 200 * 1024;
old_options.level_compaction_dynamic_level_bytes = false;
old_options.level0_file_num_compaction_trigger = 3;
old_options.write_buffer_size = 64 * 1024;
old_options.target_file_size_base = 128 * 1024;
// Make level target of L1, L2 to be 200KB and 600KB
old_options.num_levels = 4;
old_options.max_bytes_for_level_multiplier = 3;
old_options.max_bytes_for_level_base = 200 * 1024;
Reopen(old_options);
Random rnd(301);
for (int num = 0; num < 20; num++) {
for (int i = 0; i < 50; i++) {
ASSERT_OK(Put(Key(num * 100 + i), rnd.RandomString(900)));
}
}
Flush();
CompactRangeOptions cro;
cro.bottommost_level_compaction = BottommostLevelCompaction::kForce;
dbfull()->CompactRange(cro, nullptr, nullptr);
// Will make sure exactly those keys are in the DB after migration.
std::set<std::string> keys;
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (; it->Valid(); it->Next()) {
keys.insert(it->key().ToString());
}
}
Close();
Options new_options = old_options;
new_options.compaction_style = CompactionStyle::kCompactionStyleUniversal;
new_options.target_file_size_base = 256 * 1024;
new_options.num_levels = 1;
new_options.max_bytes_for_level_base = 150 * 1024;
new_options.max_bytes_for_level_multiplier = 4;
ASSERT_OK(OptionChangeMigration(dbname_, old_options, new_options));
Reopen(new_options);
// Wait for compaction to finish and make sure it can reopen
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
Reopen(new_options);
{
std::unique_ptr<Iterator> it(db_->NewIterator(ReadOptions()));
it->SeekToFirst();
for (std::string key : keys) {
ASSERT_TRUE(it->Valid());
ASSERT_EQ(key, it->key().ToString());
it->Next();
}
ASSERT_TRUE(!it->Valid());
}
}
#endif // ROCKSDB_LITE
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}