Summary: Move DynamicLevel related db-tests to db_dynamic_level_test.cc Test Plan: db_dynamic_level_test db_test Reviewers: igor, anthony, IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D42039main
Yueh-Hsuan Chiang
10 years ago
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e290f5d3ce
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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)); |
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ASSERT_EQ("0", str_prop); |
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// Base level is still level 3.
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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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} |
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TEST_F(DBTestDynamicLevel, DynamicLevelMaxBytesBaseInc) { |
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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 = 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 = 2; |
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options.num_levels = 5; |
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DestroyAndReopen(options); |
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int non_trivial = 0; |
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rocksdb::SyncPoint::GetInstance()->SetCallBack( |
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"DBImpl::BackgroundCompaction:NonTrivial", |
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[&](void* arg) { non_trivial++; }); |
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rocksdb::SyncPoint::GetInstance()->EnableProcessing(); |
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Random rnd(301); |
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const int total_keys = 3000; |
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const int random_part_size = 100; |
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|
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 |
||||||
|
} |
||||||
Loading…
Reference in new issue