mirror of https://github.com/facebook/rocksdb.git
Avoid overwriting OPTIONS file settings in db_bench (#9862)
Summary: `InitializeOptionsGeneral()` was overwriting many options that were already configured by OPTIONS file, potentially with the flag default values. This PR changes that function to only overwrite options in limited scenarios, as described at the top of its definition. Block cache is still a violation. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9862 Test Plan: ran under various scenarios (multi-DB, single DB, OPTIONS file, flags) and verified options are set as expected Reviewed By: jay-zhuang Differential Revision: D35736960 Pulled By: ajkr fbshipit-source-id: 75b77740af37e6f5741618f8a8f5685df2417d03
This commit is contained in:
Andrew Kryczka
Facebook GitHub Bot
parent
1601433b3a
commit
690f1edf37
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@ -3857,6 +3857,26 @@ class Benchmark {
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assert(db_.db == nullptr);
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options.env = FLAGS_env;
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options.wal_dir = FLAGS_wal_dir;
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options.dump_malloc_stats = FLAGS_dump_malloc_stats;
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options.stats_dump_period_sec =
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static_cast<unsigned int>(FLAGS_stats_dump_period_sec);
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options.stats_persist_period_sec =
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static_cast<unsigned int>(FLAGS_stats_persist_period_sec);
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options.persist_stats_to_disk = FLAGS_persist_stats_to_disk;
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options.stats_history_buffer_size =
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static_cast<size_t>(FLAGS_stats_history_buffer_size);
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options.avoid_flush_during_recovery = FLAGS_avoid_flush_during_recovery;
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options.compression_opts.level = FLAGS_compression_level;
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options.compression_opts.max_dict_bytes = FLAGS_compression_max_dict_bytes;
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options.compression_opts.zstd_max_train_bytes =
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FLAGS_compression_zstd_max_train_bytes;
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options.compression_opts.parallel_threads =
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FLAGS_compression_parallel_threads;
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options.compression_opts.max_dict_buffer_bytes =
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FLAGS_compression_max_dict_buffer_bytes;
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options.max_open_files = FLAGS_open_files;
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if (FLAGS_cost_write_buffer_to_cache || FLAGS_db_write_buffer_size != 0) {
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options.write_buffer_manager.reset(
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@ -4285,94 +4305,104 @@ class Benchmark {
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}
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void InitializeOptionsGeneral(Options* opts) {
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// Be careful about what is set here to avoid accidentally overwriting
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// settings already configured by OPTIONS file. Only configure settings that
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// are needed for the benchmark to run, settings for shared objects that
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// were not configured already, settings that require dynamically invoking
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// APIs, and settings for the benchmark itself.
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Options& options = *opts;
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options.create_missing_column_families = FLAGS_num_column_families > 1;
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options.statistics = dbstats;
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options.wal_dir = FLAGS_wal_dir;
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options.create_if_missing = !FLAGS_use_existing_db;
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options.dump_malloc_stats = FLAGS_dump_malloc_stats;
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options.stats_dump_period_sec =
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static_cast<unsigned int>(FLAGS_stats_dump_period_sec);
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options.stats_persist_period_sec =
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static_cast<unsigned int>(FLAGS_stats_persist_period_sec);
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options.persist_stats_to_disk = FLAGS_persist_stats_to_disk;
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options.stats_history_buffer_size =
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static_cast<size_t>(FLAGS_stats_history_buffer_size);
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options.avoid_flush_during_recovery = FLAGS_avoid_flush_during_recovery;
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// Always set these since they are harmless when not needed and prevent
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// a guaranteed failure when they are needed.
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options.create_missing_column_families = true;
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options.create_if_missing = true;
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if (options.statistics == nullptr) {
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options.statistics = dbstats;
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}
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options.compression_opts.level = FLAGS_compression_level;
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options.compression_opts.max_dict_bytes = FLAGS_compression_max_dict_bytes;
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options.compression_opts.zstd_max_train_bytes =
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FLAGS_compression_zstd_max_train_bytes;
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options.compression_opts.parallel_threads =
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FLAGS_compression_parallel_threads;
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options.compression_opts.max_dict_buffer_bytes =
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FLAGS_compression_max_dict_buffer_bytes;
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// If this is a block based table, set some related options
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auto table_options =
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options.table_factory->GetOptions<BlockBasedTableOptions>();
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if (table_options != nullptr) {
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if (FLAGS_cache_size) {
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if (FLAGS_cache_size > 0) {
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// This violates this function's rules on when to set options. But we
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// have to do it because the case of unconfigured block cache in OPTIONS
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// file is indistinguishable (it is sanitized to 8MB by this point, not
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// nullptr), and our regression tests assume this will be the shared
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// block cache, even with OPTIONS file provided.
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table_options->block_cache = cache_;
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}
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if (FLAGS_bloom_bits < 0) {
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table_options->filter_policy = BlockBasedTableOptions().filter_policy;
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} else if (FLAGS_bloom_bits == 0) {
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table_options->filter_policy.reset();
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} else if (FLAGS_use_block_based_filter) {
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// Use back-door way of enabling obsolete block-based Bloom
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Status s = FilterPolicy::CreateFromString(
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ConfigOptions(),
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"rocksdb.internal.DeprecatedBlockBasedBloomFilter:" +
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ROCKSDB_NAMESPACE::ToString(FLAGS_bloom_bits),
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&table_options->filter_policy);
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if (!s.ok()) {
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fprintf(stderr, "failure creating obsolete block-based filter: %s\n",
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s.ToString().c_str());
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exit(1);
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if (table_options->filter_policy == nullptr) {
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if (FLAGS_bloom_bits < 0) {
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table_options->filter_policy = BlockBasedTableOptions().filter_policy;
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} else if (FLAGS_bloom_bits == 0) {
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table_options->filter_policy.reset();
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} else if (FLAGS_use_block_based_filter) {
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// Use back-door way of enabling obsolete block-based Bloom
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Status s = FilterPolicy::CreateFromString(
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ConfigOptions(),
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"rocksdb.internal.DeprecatedBlockBasedBloomFilter:" +
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ROCKSDB_NAMESPACE::ToString(FLAGS_bloom_bits),
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&table_options->filter_policy);
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if (!s.ok()) {
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fprintf(stderr,
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"failure creating obsolete block-based filter: %s\n",
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s.ToString().c_str());
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exit(1);
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}
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} else {
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table_options->filter_policy.reset(
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FLAGS_use_ribbon_filter ? NewRibbonFilterPolicy(FLAGS_bloom_bits)
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: NewBloomFilterPolicy(FLAGS_bloom_bits));
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}
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} else {
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table_options->filter_policy.reset(
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FLAGS_use_ribbon_filter ? NewRibbonFilterPolicy(FLAGS_bloom_bits)
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: NewBloomFilterPolicy(FLAGS_bloom_bits));
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}
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}
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if (FLAGS_row_cache_size) {
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if (FLAGS_cache_numshardbits >= 1) {
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options.row_cache =
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NewLRUCache(FLAGS_row_cache_size, FLAGS_cache_numshardbits);
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} else {
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options.row_cache = NewLRUCache(FLAGS_row_cache_size);
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if (options.row_cache == nullptr) {
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if (FLAGS_row_cache_size) {
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if (FLAGS_cache_numshardbits >= 1) {
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options.row_cache =
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NewLRUCache(FLAGS_row_cache_size, FLAGS_cache_numshardbits);
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} else {
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options.row_cache = NewLRUCache(FLAGS_row_cache_size);
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}
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}
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}
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if (options.env == Env::Default()) {
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options.env = FLAGS_env;
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}
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if (FLAGS_enable_io_prio) {
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FLAGS_env->LowerThreadPoolIOPriority(Env::LOW);
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FLAGS_env->LowerThreadPoolIOPriority(Env::HIGH);
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options.env->LowerThreadPoolIOPriority(Env::LOW);
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options.env->LowerThreadPoolIOPriority(Env::HIGH);
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}
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if (FLAGS_enable_cpu_prio) {
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FLAGS_env->LowerThreadPoolCPUPriority(Env::LOW);
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FLAGS_env->LowerThreadPoolCPUPriority(Env::HIGH);
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options.env->LowerThreadPoolCPUPriority(Env::LOW);
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options.env->LowerThreadPoolCPUPriority(Env::HIGH);
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}
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options.env = FLAGS_env;
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if (FLAGS_sine_write_rate) {
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FLAGS_benchmark_write_rate_limit = static_cast<uint64_t>(SineRate(0));
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}
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if (FLAGS_rate_limiter_bytes_per_sec > 0) {
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options.rate_limiter.reset(NewGenericRateLimiter(
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FLAGS_rate_limiter_bytes_per_sec, FLAGS_rate_limiter_refill_period_us,
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10 /* fairness */,
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FLAGS_rate_limit_bg_reads ? RateLimiter::Mode::kReadsOnly
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: RateLimiter::Mode::kWritesOnly,
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FLAGS_rate_limiter_auto_tuned));
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if (options.rate_limiter == nullptr) {
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if (FLAGS_rate_limiter_bytes_per_sec > 0) {
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options.rate_limiter.reset(NewGenericRateLimiter(
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FLAGS_rate_limiter_bytes_per_sec,
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FLAGS_rate_limiter_refill_period_us, 10 /* fairness */,
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FLAGS_rate_limit_bg_reads ? RateLimiter::Mode::kReadsOnly
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: RateLimiter::Mode::kWritesOnly,
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FLAGS_rate_limiter_auto_tuned));
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}
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}
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options.listeners.emplace_back(listener_);
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if (FLAGS_file_checksum) {
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options.file_checksum_gen_factory.reset(
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new FileChecksumGenCrc32cFactory());
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if (options.file_checksum_gen_factory == nullptr) {
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if (FLAGS_file_checksum) {
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options.file_checksum_gen_factory.reset(
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new FileChecksumGenCrc32cFactory());
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}
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}
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if (FLAGS_num_multi_db <= 1) {
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@ -4391,9 +4421,11 @@ class Benchmark {
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}
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// KeepFilter is a noop filter, this can be used to test compaction filter
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if (FLAGS_use_keep_filter) {
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options.compaction_filter = new KeepFilter();
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fprintf(stdout, "A noop compaction filter is used\n");
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if (options.compaction_filter == nullptr) {
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if (FLAGS_use_keep_filter) {
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options.compaction_filter = new KeepFilter();
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fprintf(stdout, "A noop compaction filter is used\n");
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}
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}
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if (FLAGS_use_existing_keys) {
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