mirror of https://github.com/facebook/rocksdb.git
379 lines
13 KiB
C++
379 lines
13 KiB
C++
// Copyright (c) 2011-present, 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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#include <limits>
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#include <string>
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#include <unordered_map>
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#include "db/column_family.h"
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#include "db/db_impl.h"
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#include "db/db_test_util.h"
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#include "port/stack_trace.h"
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#include "rocksdb/convenience.h"
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#include "util/options_helper.h"
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#include "util/random.h"
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#include "util/sync_point.h"
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#include "util/testutil.h"
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namespace rocksdb {
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class DBOptionsTest : public DBTestBase {
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public:
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DBOptionsTest() : DBTestBase("/db_options_test") {}
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#ifndef ROCKSDB_LITE
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std::unordered_map<std::string, std::string> GetMutableDBOptionsMap(
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const DBOptions& options) {
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std::string options_str;
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GetStringFromDBOptions(&options_str, options);
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std::unordered_map<std::string, std::string> options_map;
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StringToMap(options_str, &options_map);
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std::unordered_map<std::string, std::string> mutable_map;
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for (const auto opt : db_options_type_info) {
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if (opt.second.is_mutable &&
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opt.second.verification != OptionVerificationType::kDeprecated) {
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mutable_map[opt.first] = options_map[opt.first];
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}
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}
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return mutable_map;
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}
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std::unordered_map<std::string, std::string> GetMutableCFOptionsMap(
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const ColumnFamilyOptions& options) {
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std::string options_str;
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GetStringFromColumnFamilyOptions(&options_str, options);
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std::unordered_map<std::string, std::string> options_map;
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StringToMap(options_str, &options_map);
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std::unordered_map<std::string, std::string> mutable_map;
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for (const auto opt : cf_options_type_info) {
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if (opt.second.is_mutable &&
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opt.second.verification != OptionVerificationType::kDeprecated) {
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mutable_map[opt.first] = options_map[opt.first];
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}
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}
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return mutable_map;
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}
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std::unordered_map<std::string, std::string> GetRandomizedMutableCFOptionsMap(
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Random* rnd) {
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Options options;
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options.env = env_;
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ImmutableDBOptions db_options(options);
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test::RandomInitCFOptions(&options, rnd);
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auto sanitized_options = SanitizeOptions(db_options, options);
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auto opt_map = GetMutableCFOptionsMap(sanitized_options);
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delete options.compaction_filter;
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return opt_map;
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}
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std::unordered_map<std::string, std::string> GetRandomizedMutableDBOptionsMap(
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Random* rnd) {
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DBOptions db_options;
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test::RandomInitDBOptions(&db_options, rnd);
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auto sanitized_options = SanitizeOptions(dbname_, db_options);
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return GetMutableDBOptionsMap(sanitized_options);
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}
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#endif // ROCKSDB_LITE
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};
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// RocksDB lite don't support dynamic options.
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#ifndef ROCKSDB_LITE
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TEST_F(DBOptionsTest, GetLatestDBOptions) {
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// GetOptions should be able to get latest option changed by SetOptions.
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Options options;
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options.create_if_missing = true;
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options.env = env_;
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Random rnd(228);
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Reopen(options);
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auto new_options = GetRandomizedMutableDBOptionsMap(&rnd);
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ASSERT_OK(dbfull()->SetDBOptions(new_options));
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ASSERT_EQ(new_options, GetMutableDBOptionsMap(dbfull()->GetDBOptions()));
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}
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TEST_F(DBOptionsTest, GetLatestCFOptions) {
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// GetOptions should be able to get latest option changed by SetOptions.
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Options options;
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options.create_if_missing = true;
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options.env = env_;
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Random rnd(228);
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Reopen(options);
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CreateColumnFamilies({"foo"}, options);
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ReopenWithColumnFamilies({"default", "foo"}, options);
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auto options_default = GetRandomizedMutableCFOptionsMap(&rnd);
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auto options_foo = GetRandomizedMutableCFOptionsMap(&rnd);
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ASSERT_OK(dbfull()->SetOptions(handles_[0], options_default));
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ASSERT_OK(dbfull()->SetOptions(handles_[1], options_foo));
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ASSERT_EQ(options_default,
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GetMutableCFOptionsMap(dbfull()->GetOptions(handles_[0])));
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ASSERT_EQ(options_foo,
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GetMutableCFOptionsMap(dbfull()->GetOptions(handles_[1])));
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}
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TEST_F(DBOptionsTest, SetOptionsAndReopen) {
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Random rnd(1044);
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auto rand_opts = GetRandomizedMutableCFOptionsMap(&rnd);
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ASSERT_OK(dbfull()->SetOptions(rand_opts));
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// Verify if DB can be reopen after setting options.
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Options options;
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options.env = env_;
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ASSERT_OK(TryReopen(options));
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}
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TEST_F(DBOptionsTest, EnableAutoCompactionAndTriggerStall) {
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const std::string kValue(1024, 'v');
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for (int method_type = 0; method_type < 2; method_type++) {
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for (int option_type = 0; option_type < 4; option_type++) {
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Options options;
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options.create_if_missing = true;
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options.disable_auto_compactions = true;
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options.write_buffer_size = 1024 * 1024 * 10;
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options.compression = CompressionType::kNoCompression;
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options.level0_file_num_compaction_trigger = 1;
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options.level0_stop_writes_trigger = std::numeric_limits<int>::max();
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options.level0_slowdown_writes_trigger = std::numeric_limits<int>::max();
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options.hard_pending_compaction_bytes_limit =
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std::numeric_limits<uint64_t>::max();
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options.soft_pending_compaction_bytes_limit =
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std::numeric_limits<uint64_t>::max();
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options.env = env_;
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DestroyAndReopen(options);
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int i = 0;
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for (; i < 1024; i++) {
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Put(Key(i), kValue);
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}
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Flush();
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for (; i < 1024 * 2; i++) {
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Put(Key(i), kValue);
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}
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Flush();
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dbfull()->TEST_WaitForFlushMemTable();
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ASSERT_EQ(2, NumTableFilesAtLevel(0));
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uint64_t l0_size = SizeAtLevel(0);
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switch (option_type) {
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case 0:
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// test with level0_stop_writes_trigger
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options.level0_stop_writes_trigger = 2;
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options.level0_slowdown_writes_trigger = 2;
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break;
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case 1:
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options.level0_slowdown_writes_trigger = 2;
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break;
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case 2:
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options.hard_pending_compaction_bytes_limit = l0_size;
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options.soft_pending_compaction_bytes_limit = l0_size;
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break;
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case 3:
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options.soft_pending_compaction_bytes_limit = l0_size;
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break;
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}
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Reopen(options);
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dbfull()->TEST_WaitForCompact();
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ASSERT_FALSE(dbfull()->TEST_write_controler().IsStopped());
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ASSERT_FALSE(dbfull()->TEST_write_controler().NeedsDelay());
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SyncPoint::GetInstance()->LoadDependency(
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{{"DBOptionsTest::EnableAutoCompactionAndTriggerStall:1",
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"BackgroundCallCompaction:0"},
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{"DBImpl::BackgroundCompaction():BeforePickCompaction",
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"DBOptionsTest::EnableAutoCompactionAndTriggerStall:2"},
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{"DBOptionsTest::EnableAutoCompactionAndTriggerStall:3",
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"DBImpl::BackgroundCompaction():AfterPickCompaction"}});
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// Block background compaction.
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SyncPoint::GetInstance()->EnableProcessing();
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switch (method_type) {
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case 0:
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ASSERT_OK(
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dbfull()->SetOptions({{"disable_auto_compactions", "false"}}));
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break;
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case 1:
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ASSERT_OK(dbfull()->EnableAutoCompaction(
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{dbfull()->DefaultColumnFamily()}));
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break;
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}
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TEST_SYNC_POINT("DBOptionsTest::EnableAutoCompactionAndTriggerStall:1");
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// Wait for stall condition recalculate.
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TEST_SYNC_POINT("DBOptionsTest::EnableAutoCompactionAndTriggerStall:2");
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switch (option_type) {
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case 0:
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ASSERT_TRUE(dbfull()->TEST_write_controler().IsStopped());
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break;
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case 1:
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ASSERT_FALSE(dbfull()->TEST_write_controler().IsStopped());
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ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
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break;
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case 2:
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ASSERT_TRUE(dbfull()->TEST_write_controler().IsStopped());
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break;
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case 3:
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ASSERT_FALSE(dbfull()->TEST_write_controler().IsStopped());
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ASSERT_TRUE(dbfull()->TEST_write_controler().NeedsDelay());
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break;
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}
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TEST_SYNC_POINT("DBOptionsTest::EnableAutoCompactionAndTriggerStall:3");
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// Background compaction executed.
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dbfull()->TEST_WaitForCompact();
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ASSERT_FALSE(dbfull()->TEST_write_controler().IsStopped());
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ASSERT_FALSE(dbfull()->TEST_write_controler().NeedsDelay());
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}
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}
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}
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TEST_F(DBOptionsTest, SetOptionsMayTriggerCompaction) {
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Options options;
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options.create_if_missing = true;
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options.level0_file_num_compaction_trigger = 1000;
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options.env = env_;
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Reopen(options);
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for (int i = 0; i < 3; i++) {
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// Need to insert two keys to avoid trivial move.
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ASSERT_OK(Put("foo", ToString(i)));
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ASSERT_OK(Put("bar", ToString(i)));
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Flush();
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}
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ASSERT_EQ("3", FilesPerLevel());
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ASSERT_OK(
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dbfull()->SetOptions({{"level0_file_num_compaction_trigger", "3"}}));
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dbfull()->TEST_WaitForCompact();
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ASSERT_EQ("0,1", FilesPerLevel());
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}
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TEST_F(DBOptionsTest, SetBackgroundCompactionThreads) {
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Options options;
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options.create_if_missing = true;
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options.base_background_compactions = 1; // default value
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options.max_background_compactions = 1; // default value
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options.env = env_;
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Reopen(options);
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ASSERT_EQ(1, dbfull()->TEST_BGCompactionsAllowed());
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ASSERT_OK(dbfull()->SetDBOptions({{"base_background_compactions", "2"},
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{"max_background_compactions", "3"}}));
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ASSERT_EQ(2, dbfull()->TEST_BGCompactionsAllowed());
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auto stop_token = dbfull()->TEST_write_controler().GetStopToken();
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ASSERT_EQ(3, dbfull()->TEST_BGCompactionsAllowed());
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}
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TEST_F(DBOptionsTest, AvoidFlushDuringShutdown) {
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Options options;
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options.create_if_missing = true;
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options.disable_auto_compactions = true;
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options.env = env_;
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WriteOptions write_without_wal;
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write_without_wal.disableWAL = true;
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ASSERT_FALSE(options.avoid_flush_during_shutdown);
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DestroyAndReopen(options);
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ASSERT_OK(Put("foo", "v1", write_without_wal));
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Reopen(options);
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ASSERT_EQ("v1", Get("foo"));
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ASSERT_EQ("1", FilesPerLevel());
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DestroyAndReopen(options);
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ASSERT_OK(Put("foo", "v2", write_without_wal));
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ASSERT_OK(dbfull()->SetDBOptions({{"avoid_flush_during_shutdown", "true"}}));
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Reopen(options);
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ASSERT_EQ("NOT_FOUND", Get("foo"));
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ASSERT_EQ("", FilesPerLevel());
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}
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TEST_F(DBOptionsTest, SetDelayedWriteRateOption) {
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Options options;
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options.create_if_missing = true;
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options.delayed_write_rate = 2 * 1024U * 1024U;
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options.env = env_;
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Reopen(options);
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ASSERT_EQ(2 * 1024U * 1024U, dbfull()->TEST_write_controler().max_delayed_write_rate());
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ASSERT_OK(dbfull()->SetDBOptions({{"delayed_write_rate", "20000"}}));
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ASSERT_EQ(20000, dbfull()->TEST_write_controler().max_delayed_write_rate());
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}
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TEST_F(DBOptionsTest, MaxTotalWalSizeChange) {
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Random rnd(1044);
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const auto value_size = size_t(1024);
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std::string value;
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test::RandomString(&rnd, value_size, &value);
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Options options;
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options.create_if_missing = true;
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options.env = env_;
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CreateColumnFamilies({"1", "2", "3"}, options);
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ReopenWithColumnFamilies({"default", "1", "2", "3"}, options);
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WriteOptions write_options;
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const int key_count = 100;
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for (int i = 0; i < key_count; ++i) {
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for (size_t cf = 0; cf < handles_.size(); ++cf) {
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ASSERT_OK(Put(static_cast<int>(cf), Key(i), value));
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}
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}
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ASSERT_OK(dbfull()->SetDBOptions({{"max_total_wal_size", "10"}}));
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for (size_t cf = 0; cf < handles_.size(); ++cf) {
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dbfull()->TEST_WaitForFlushMemTable(handles_[cf]);
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ASSERT_EQ("1", FilesPerLevel(static_cast<int>(cf)));
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}
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}
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static void assert_candidate_files_empty(DBImpl* dbfull, const bool empty) {
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dbfull->TEST_LockMutex();
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JobContext job_context(0);
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dbfull->FindObsoleteFiles(&job_context, false);
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ASSERT_EQ(empty, job_context.full_scan_candidate_files.empty());
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job_context.Clean();
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dbfull->TEST_UnlockMutex();
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}
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TEST_F(DBOptionsTest, DeleteObsoleteFilesPeriodChange) {
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SpecialEnv env(env_);
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env.time_elapse_only_sleep_ = true;
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Options options;
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options.env = &env;
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options.create_if_missing = true;
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ASSERT_OK(TryReopen(options));
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// Verify that candidate files set is empty when no full scan requested.
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assert_candidate_files_empty(dbfull(), true);
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ASSERT_OK(
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dbfull()->SetDBOptions({{"delete_obsolete_files_period_micros", "0"}}));
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// After delete_obsolete_files_period_micros updated to 0, the next call
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// to FindObsoleteFiles should make a full scan
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assert_candidate_files_empty(dbfull(), false);
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ASSERT_OK(
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dbfull()->SetDBOptions({{"delete_obsolete_files_period_micros", "20"}}));
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assert_candidate_files_empty(dbfull(), true);
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env.addon_time_.store(20);
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assert_candidate_files_empty(dbfull(), true);
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env.addon_time_.store(21);
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assert_candidate_files_empty(dbfull(), false);
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Close();
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}
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#endif // ROCKSDB_LITE
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} // namespace rocksdb
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int main(int argc, char** argv) {
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rocksdb::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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