498 lines
17 KiB
C++
498 lines
17 KiB
C++
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// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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// Introduction of SyncPoint effectively disabled building and running this test
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// in Release build.
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// which is a pity, it is a good test
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#if !(defined NDEBUG) || !defined(OS_WIN)
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#include "port/stack_trace.h"
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#include "util/db_test_util.h"
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namespace rocksdb {
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class DBTestDynamicLevel : public DBTestBase {
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public:
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DBTestDynamicLevel() : DBTestBase("/db_dynamic_level_test") {}
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};
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TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBase) {
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if (!Snappy_Supported() || !LZ4_Supported()) {
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return;
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}
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// Use InMemoryEnv, or it would be too slow.
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unique_ptr<Env> env(new MockEnv(env_));
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const int kNKeys = 1000;
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int keys[kNKeys];
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auto verify_func = [&]() {
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for (int i = 0; i < kNKeys; i++) {
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ASSERT_NE("NOT_FOUND", Get(Key(i)));
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ASSERT_NE("NOT_FOUND", Get(Key(kNKeys * 2 + i)));
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if (i < kNKeys / 10) {
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ASSERT_EQ("NOT_FOUND", Get(Key(kNKeys + keys[i])));
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} else {
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ASSERT_NE("NOT_FOUND", Get(Key(kNKeys + keys[i])));
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}
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}
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};
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Random rnd(301);
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for (int ordered_insert = 0; ordered_insert <= 1; ordered_insert++) {
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for (int i = 0; i < kNKeys; i++) {
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keys[i] = i;
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}
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if (ordered_insert == 0) {
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std::random_shuffle(std::begin(keys), std::end(keys));
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}
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for (int max_background_compactions = 1; max_background_compactions < 4;
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max_background_compactions += 2) {
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Options options;
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options.env = env.get();
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options.create_if_missing = true;
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options.db_write_buffer_size = 2048;
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options.write_buffer_size = 2048;
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options.max_write_buffer_number = 2;
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options.level0_file_num_compaction_trigger = 2;
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options.level0_slowdown_writes_trigger = 2;
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options.level0_stop_writes_trigger = 2;
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options.target_file_size_base = 2048;
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options.level_compaction_dynamic_level_bytes = true;
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options.max_bytes_for_level_base = 10240;
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options.max_bytes_for_level_multiplier = 4;
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options.soft_rate_limit = 1.1;
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options.max_background_compactions = max_background_compactions;
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options.num_levels = 5;
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options.compression_per_level.resize(3);
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options.compression_per_level[0] = kNoCompression;
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options.compression_per_level[1] = kLZ4Compression;
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options.compression_per_level[2] = kSnappyCompression;
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DestroyAndReopen(options);
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for (int i = 0; i < kNKeys; i++) {
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int key = keys[i];
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ASSERT_OK(Put(Key(kNKeys + key), RandomString(&rnd, 102)));
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ASSERT_OK(Put(Key(key), RandomString(&rnd, 102)));
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ASSERT_OK(Put(Key(kNKeys * 2 + key), RandomString(&rnd, 102)));
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ASSERT_OK(Delete(Key(kNKeys + keys[i / 10])));
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env_->SleepForMicroseconds(5000);
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}
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uint64_t int_prop;
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.background-errors", &int_prop));
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ASSERT_EQ(0U, int_prop);
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// Verify DB
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for (int j = 0; j < 2; j++) {
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verify_func();
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if (j == 0) {
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Reopen(options);
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}
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}
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// Test compact range works
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dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
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// All data should be in the last level.
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ColumnFamilyMetaData cf_meta;
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db_->GetColumnFamilyMetaData(&cf_meta);
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ASSERT_EQ(5U, cf_meta.levels.size());
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for (int i = 0; i < 4; i++) {
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ASSERT_EQ(0U, cf_meta.levels[i].files.size());
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}
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ASSERT_GT(cf_meta.levels[4U].files.size(), 0U);
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verify_func();
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Close();
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}
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}
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env_->SetBackgroundThreads(1, Env::LOW);
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env_->SetBackgroundThreads(1, Env::HIGH);
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}
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// Test specific cases in dynamic max bytes
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TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBase2) {
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Random rnd(301);
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int kMaxKey = 1000000;
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Options options = CurrentOptions();
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options.create_if_missing = true;
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options.db_write_buffer_size = 2048;
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options.write_buffer_size = 2048;
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options.max_write_buffer_number = 2;
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options.level0_file_num_compaction_trigger = 2;
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options.level0_slowdown_writes_trigger = 9999;
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options.level0_stop_writes_trigger = 9999;
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options.target_file_size_base = 2048;
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options.level_compaction_dynamic_level_bytes = true;
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options.max_bytes_for_level_base = 10240;
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options.max_bytes_for_level_multiplier = 4;
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options.max_background_compactions = 2;
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options.num_levels = 5;
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options.expanded_compaction_factor = 0; // Force not expanding in compactions
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BlockBasedTableOptions table_options;
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table_options.block_size = 1024;
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options.table_factory.reset(NewBlockBasedTableFactory(table_options));
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DestroyAndReopen(options);
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "true"},
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}));
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uint64_t int_prop;
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std::string str_prop;
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// Initial base level is the last level
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(4U, int_prop);
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// Put about 7K to L0
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for (int i = 0; i < 70; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "false"},
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}));
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Flush();
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dbfull()->TEST_WaitForCompact();
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(4U, int_prop);
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// Insert extra about 3.5K to L0. After they are compacted to L4, base level
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// should be changed to L3.
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "true"},
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}));
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for (int i = 0; i < 70; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "false"},
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}));
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Flush();
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dbfull()->TEST_WaitForCompact();
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(3U, int_prop);
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level1", &str_prop));
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ASSERT_EQ("0", str_prop);
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level2", &str_prop));
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ASSERT_EQ("0", str_prop);
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// Trigger parallel compaction, and the first one would change the base
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// level.
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// Hold compaction jobs to make sure
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rocksdb::SyncPoint::GetInstance()->SetCallBack(
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"CompactionJob::Run():Start",
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[&](void* arg) { env_->SleepForMicroseconds(100000); });
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "true"},
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}));
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// Write about 10K more
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for (int i = 0; i < 100; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "false"},
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}));
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Flush();
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// Wait for 200 milliseconds before proceeding compactions to make sure two
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// parallel ones are executed.
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env_->SleepForMicroseconds(200000);
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dbfull()->TEST_WaitForCompact();
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(3U, int_prop);
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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// Trigger a condition that the compaction changes base level and L0->Lbase
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// happens at the same time.
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// We try to make last levels' targets to be 10K, 40K, 160K, add triggers
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// another compaction from 40K->160K.
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "true"},
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}));
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// Write about 150K more
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for (int i = 0; i < 1350; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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ASSERT_OK(dbfull()->SetOptions({
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{"disable_auto_compactions", "false"},
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}));
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Flush();
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dbfull()->TEST_WaitForCompact();
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(2U, int_prop);
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// Keep Writing data until base level changed 2->1. There will be L0->L2
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// compaction going on at the same time.
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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for (int attempt = 0; attempt <= 20; attempt++) {
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// Write about 5K more data with two flushes. It should be flush to level 2
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// but when it is applied, base level is already 1.
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for (int i = 0; i < 50; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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Flush();
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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if (int_prop == 2U) {
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env_->SleepForMicroseconds(50000);
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} else {
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break;
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}
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}
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
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env_->SleepForMicroseconds(200000);
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(1U, int_prop);
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}
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// Test specific cases in dynamic max bytes
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TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesCompactRange) {
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Random rnd(301);
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int kMaxKey = 1000000;
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Options options = CurrentOptions();
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options.create_if_missing = true;
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options.db_write_buffer_size = 2048;
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options.write_buffer_size = 2048;
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options.max_write_buffer_number = 2;
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options.level0_file_num_compaction_trigger = 2;
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options.level0_slowdown_writes_trigger = 9999;
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options.level0_stop_writes_trigger = 9999;
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options.target_file_size_base = 2;
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options.level_compaction_dynamic_level_bytes = true;
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options.max_bytes_for_level_base = 10240;
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options.max_bytes_for_level_multiplier = 4;
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options.max_background_compactions = 1;
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const int kNumLevels = 5;
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options.num_levels = kNumLevels;
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options.expanded_compaction_factor = 0; // Force not expanding in compactions
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BlockBasedTableOptions table_options;
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table_options.block_size = 1024;
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options.table_factory.reset(NewBlockBasedTableFactory(table_options));
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DestroyAndReopen(options);
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// Compact against empty DB
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dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
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uint64_t int_prop;
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std::string str_prop;
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// Initial base level is the last level
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(4U, int_prop);
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// Put about 7K to L0
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for (int i = 0; i < 140; i++) {
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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}
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Flush();
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dbfull()->TEST_WaitForCompact();
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if (NumTableFilesAtLevel(0) == 0) {
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// Make sure level 0 is not empty
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ASSERT_OK(Put(Key(static_cast<int>(rnd.Uniform(kMaxKey))),
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RandomString(&rnd, 80)));
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Flush();
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}
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ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
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ASSERT_EQ(3U, int_prop);
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level1", &str_prop));
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ASSERT_EQ("0", str_prop);
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level2", &str_prop));
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ASSERT_EQ("0", str_prop);
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
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std::set<int> output_levels;
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rocksdb::SyncPoint::GetInstance()->SetCallBack(
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"CompactionPicker::CompactRange:Return", [&](void* arg) {
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Compaction* compaction = reinterpret_cast<Compaction*>(arg);
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output_levels.insert(compaction->output_level());
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});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr);
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ASSERT_EQ(output_levels.size(), 2);
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ASSERT_TRUE(output_levels.find(3) != output_levels.end());
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ASSERT_TRUE(output_levels.find(4) != output_levels.end());
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level0", &str_prop));
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ASSERT_EQ("0", str_prop);
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ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level3", &str_prop));
|
||
|
|
ASSERT_EQ("0", str_prop);
|
||
|
|
// Base level is still level 3.
|
||
|
|
ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
|
||
|
|
ASSERT_EQ(3U, int_prop);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBaseInc) {
|
||
|
|
Options options = CurrentOptions();
|
||
|
|
options.create_if_missing = true;
|
||
|
|
options.db_write_buffer_size = 2048;
|
||
|
|
options.write_buffer_size = 2048;
|
||
|
|
options.max_write_buffer_number = 2;
|
||
|
|
options.level0_file_num_compaction_trigger = 2;
|
||
|
|
options.level0_slowdown_writes_trigger = 2;
|
||
|
|
options.level0_stop_writes_trigger = 2;
|
||
|
|
options.target_file_size_base = 2048;
|
||
|
|
options.level_compaction_dynamic_level_bytes = true;
|
||
|
|
options.max_bytes_for_level_base = 10240;
|
||
|
|
options.max_bytes_for_level_multiplier = 4;
|
||
|
|
options.soft_rate_limit = 1.1;
|
||
|
|
options.max_background_compactions = 2;
|
||
|
|
options.num_levels = 5;
|
||
|
|
|
||
|
|
DestroyAndReopen(options);
|
||
|
|
|
||
|
|
int non_trivial = 0;
|
||
|
|
rocksdb::SyncPoint::GetInstance()->SetCallBack(
|
||
|
|
"DBImpl::BackgroundCompaction:NonTrivial",
|
||
|
|
[&](void* arg) { non_trivial++; });
|
||
|
|
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
|
||
|
|
|
||
|
|
Random rnd(301);
|
||
|
|
const int total_keys = 3000;
|
||
|
|
const int random_part_size = 100;
|
||
|
|
for (int i = 0; i < total_keys; i++) {
|
||
|
|
std::string value = RandomString(&rnd, random_part_size);
|
||
|
|
PutFixed32(&value, static_cast<uint32_t>(i));
|
||
|
|
ASSERT_OK(Put(Key(i), value));
|
||
|
|
}
|
||
|
|
Flush();
|
||
|
|
dbfull()->TEST_WaitForCompact();
|
||
|
|
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
|
||
|
|
|
||
|
|
ASSERT_EQ(non_trivial, 0);
|
||
|
|
|
||
|
|
for (int i = 0; i < total_keys; i++) {
|
||
|
|
std::string value = Get(Key(i));
|
||
|
|
ASSERT_EQ(DecodeFixed32(value.c_str() + random_part_size),
|
||
|
|
static_cast<uint32_t>(i));
|
||
|
|
}
|
||
|
|
|
||
|
|
env_->SetBackgroundThreads(1, Env::LOW);
|
||
|
|
env_->SetBackgroundThreads(1, Env::HIGH);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_F(DBTestDynamicLevel, MigrateToDynamicLevelMaxBytesBase) {
|
||
|
|
Random rnd(301);
|
||
|
|
const int kMaxKey = 2000;
|
||
|
|
|
||
|
|
Options options;
|
||
|
|
options.create_if_missing = true;
|
||
|
|
options.db_write_buffer_size = 2048;
|
||
|
|
options.write_buffer_size = 2048;
|
||
|
|
options.max_write_buffer_number = 8;
|
||
|
|
options.level0_file_num_compaction_trigger = 4;
|
||
|
|
options.level0_slowdown_writes_trigger = 4;
|
||
|
|
options.level0_stop_writes_trigger = 8;
|
||
|
|
options.target_file_size_base = 2048;
|
||
|
|
options.level_compaction_dynamic_level_bytes = false;
|
||
|
|
options.max_bytes_for_level_base = 10240;
|
||
|
|
options.max_bytes_for_level_multiplier = 4;
|
||
|
|
options.soft_rate_limit = 1.1;
|
||
|
|
options.num_levels = 8;
|
||
|
|
|
||
|
|
DestroyAndReopen(options);
|
||
|
|
|
||
|
|
auto verify_func = [&](int num_keys, bool if_sleep) {
|
||
|
|
for (int i = 0; i < num_keys; i++) {
|
||
|
|
ASSERT_NE("NOT_FOUND", Get(Key(kMaxKey + i)));
|
||
|
|
if (i < num_keys / 10) {
|
||
|
|
ASSERT_EQ("NOT_FOUND", Get(Key(i)));
|
||
|
|
} else {
|
||
|
|
ASSERT_NE("NOT_FOUND", Get(Key(i)));
|
||
|
|
}
|
||
|
|
if (if_sleep && i % 1000 == 0) {
|
||
|
|
// Without it, valgrind may choose not to give another
|
||
|
|
// thread a chance to run before finishing the function,
|
||
|
|
// causing the test to be extremely slow.
|
||
|
|
env_->SleepForMicroseconds(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
int total_keys = 1000;
|
||
|
|
for (int i = 0; i < total_keys; i++) {
|
||
|
|
ASSERT_OK(Put(Key(i), RandomString(&rnd, 102)));
|
||
|
|
ASSERT_OK(Put(Key(kMaxKey + i), RandomString(&rnd, 102)));
|
||
|
|
ASSERT_OK(Delete(Key(i / 10)));
|
||
|
|
}
|
||
|
|
verify_func(total_keys, false);
|
||
|
|
dbfull()->TEST_WaitForCompact();
|
||
|
|
|
||
|
|
options.level_compaction_dynamic_level_bytes = true;
|
||
|
|
options.disable_auto_compactions = true;
|
||
|
|
Reopen(options);
|
||
|
|
verify_func(total_keys, false);
|
||
|
|
|
||
|
|
std::atomic_bool compaction_finished;
|
||
|
|
compaction_finished = false;
|
||
|
|
// Issue manual compaction in one thread and still verify DB state
|
||
|
|
// in main thread.
|
||
|
|
std::thread t([&]() {
|
||
|
|
CompactRangeOptions compact_options;
|
||
|
|
compact_options.change_level = true;
|
||
|
|
compact_options.target_level = options.num_levels - 1;
|
||
|
|
dbfull()->CompactRange(compact_options, nullptr, nullptr);
|
||
|
|
compaction_finished.store(true);
|
||
|
|
});
|
||
|
|
do {
|
||
|
|
verify_func(total_keys, true);
|
||
|
|
} while (!compaction_finished.load());
|
||
|
|
t.join();
|
||
|
|
|
||
|
|
ASSERT_OK(dbfull()->SetOptions({
|
||
|
|
{"disable_auto_compactions", "false"},
|
||
|
|
}));
|
||
|
|
|
||
|
|
int total_keys2 = 2000;
|
||
|
|
for (int i = total_keys; i < total_keys2; i++) {
|
||
|
|
ASSERT_OK(Put(Key(i), RandomString(&rnd, 102)));
|
||
|
|
ASSERT_OK(Put(Key(kMaxKey + i), RandomString(&rnd, 102)));
|
||
|
|
ASSERT_OK(Delete(Key(i / 10)));
|
||
|
|
}
|
||
|
|
|
||
|
|
verify_func(total_keys2, false);
|
||
|
|
dbfull()->TEST_WaitForCompact();
|
||
|
|
verify_func(total_keys2, false);
|
||
|
|
|
||
|
|
// Base level is not level 1
|
||
|
|
ASSERT_EQ(NumTableFilesAtLevel(1), 0);
|
||
|
|
ASSERT_EQ(NumTableFilesAtLevel(2), 0);
|
||
|
|
}
|
||
|
|
} // namespace rocksdb
|
||
|
|
|
||
|
|
#endif // !(defined NDEBUG) || !defined(OS_WIN)
|
||
|
|
|
||
|
|
int main(int argc, char** argv) {
|
||
|
|
#if !(defined NDEBUG) || !defined(OS_WIN)
|
||
|
|
rocksdb::port::InstallStackTraceHandler();
|
||
|
|
::testing::InitGoogleTest(&argc, argv);
|
||
|
|
return RUN_ALL_TESTS();
|
||
|
|
#else
|
||
|
|
return 0;
|
||
|
|
#endif
|
||
|
|
}
|