36aec94d85
Summary: - Make `compression_per_level` dynamical changeable with `SetOptions`; - Fix a bug that `compression_per_level` is not used for flush; Pull Request resolved: https://github.com/facebook/rocksdb/pull/9658 Test Plan: CI Reviewed By: ajkr Differential Revision: D34700749 Pulled By: jay-zhuang fbshipit-source-id: a23b9dfa7ad03d393c1d71781d19e91de796f49c
303 lines
11 KiB
C++
303 lines
11 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include <string>
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#include <vector>
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#include "db/dbformat.h"
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#include "options/db_options.h"
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#include "rocksdb/options.h"
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#include "util/compression.h"
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namespace ROCKSDB_NAMESPACE {
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// ImmutableCFOptions is a data struct used by RocksDB internal. It contains a
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// subset of Options that should not be changed during the entire lifetime
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// of DB. Raw pointers defined in this struct do not have ownership to the data
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// they point to. Options contains std::shared_ptr to these data.
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struct ImmutableCFOptions {
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public:
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static const char* kName() { return "ImmutableCFOptions"; }
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explicit ImmutableCFOptions();
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explicit ImmutableCFOptions(const ColumnFamilyOptions& cf_options);
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CompactionStyle compaction_style;
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CompactionPri compaction_pri;
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const Comparator* user_comparator;
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InternalKeyComparator internal_comparator; // Only in Immutable
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std::shared_ptr<MergeOperator> merge_operator;
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const CompactionFilter* compaction_filter;
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std::shared_ptr<CompactionFilterFactory> compaction_filter_factory;
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int min_write_buffer_number_to_merge;
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int max_write_buffer_number_to_maintain;
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int64_t max_write_buffer_size_to_maintain;
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bool inplace_update_support;
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UpdateStatus (*inplace_callback)(char* existing_value,
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uint32_t* existing_value_size,
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Slice delta_value,
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std::string* merged_value);
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std::shared_ptr<MemTableRepFactory> memtable_factory;
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std::shared_ptr<TableFactory> table_factory;
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Options::TablePropertiesCollectorFactories
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table_properties_collector_factories;
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// This options is required by PlainTableReader. May need to move it
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// to PlainTableOptions just like bloom_bits_per_key
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uint32_t bloom_locality;
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bool level_compaction_dynamic_level_bytes;
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int num_levels;
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bool optimize_filters_for_hits;
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bool force_consistency_checks;
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std::shared_ptr<const SliceTransform>
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memtable_insert_with_hint_prefix_extractor;
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std::vector<DbPath> cf_paths;
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std::shared_ptr<ConcurrentTaskLimiter> compaction_thread_limiter;
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std::shared_ptr<SstPartitionerFactory> sst_partitioner_factory;
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};
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struct ImmutableOptions : public ImmutableDBOptions, public ImmutableCFOptions {
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explicit ImmutableOptions();
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explicit ImmutableOptions(const Options& options);
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ImmutableOptions(const DBOptions& db_options,
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const ColumnFamilyOptions& cf_options);
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ImmutableOptions(const ImmutableDBOptions& db_options,
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const ImmutableCFOptions& cf_options);
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ImmutableOptions(const DBOptions& db_options,
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const ImmutableCFOptions& cf_options);
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ImmutableOptions(const ImmutableDBOptions& db_options,
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const ColumnFamilyOptions& cf_options);
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};
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struct MutableCFOptions {
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static const char* kName() { return "MutableCFOptions"; }
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explicit MutableCFOptions(const ColumnFamilyOptions& options)
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: write_buffer_size(options.write_buffer_size),
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max_write_buffer_number(options.max_write_buffer_number),
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arena_block_size(options.arena_block_size),
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memtable_prefix_bloom_size_ratio(
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options.memtable_prefix_bloom_size_ratio),
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memtable_whole_key_filtering(options.memtable_whole_key_filtering),
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memtable_huge_page_size(options.memtable_huge_page_size),
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max_successive_merges(options.max_successive_merges),
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inplace_update_num_locks(options.inplace_update_num_locks),
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prefix_extractor(options.prefix_extractor),
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disable_auto_compactions(options.disable_auto_compactions),
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soft_pending_compaction_bytes_limit(
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options.soft_pending_compaction_bytes_limit),
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hard_pending_compaction_bytes_limit(
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options.hard_pending_compaction_bytes_limit),
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level0_file_num_compaction_trigger(
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options.level0_file_num_compaction_trigger),
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level0_slowdown_writes_trigger(options.level0_slowdown_writes_trigger),
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level0_stop_writes_trigger(options.level0_stop_writes_trigger),
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max_compaction_bytes(options.max_compaction_bytes),
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target_file_size_base(options.target_file_size_base),
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target_file_size_multiplier(options.target_file_size_multiplier),
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max_bytes_for_level_base(options.max_bytes_for_level_base),
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max_bytes_for_level_multiplier(options.max_bytes_for_level_multiplier),
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ttl(options.ttl),
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periodic_compaction_seconds(options.periodic_compaction_seconds),
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max_bytes_for_level_multiplier_additional(
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options.max_bytes_for_level_multiplier_additional),
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compaction_options_fifo(options.compaction_options_fifo),
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compaction_options_universal(options.compaction_options_universal),
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enable_blob_files(options.enable_blob_files),
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min_blob_size(options.min_blob_size),
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blob_file_size(options.blob_file_size),
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blob_compression_type(options.blob_compression_type),
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enable_blob_garbage_collection(options.enable_blob_garbage_collection),
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blob_garbage_collection_age_cutoff(
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options.blob_garbage_collection_age_cutoff),
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blob_garbage_collection_force_threshold(
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options.blob_garbage_collection_force_threshold),
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blob_compaction_readahead_size(options.blob_compaction_readahead_size),
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max_sequential_skip_in_iterations(
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options.max_sequential_skip_in_iterations),
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check_flush_compaction_key_order(
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options.check_flush_compaction_key_order),
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paranoid_file_checks(options.paranoid_file_checks),
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report_bg_io_stats(options.report_bg_io_stats),
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compression(options.compression),
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bottommost_compression(options.bottommost_compression),
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compression_opts(options.compression_opts),
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bottommost_compression_opts(options.bottommost_compression_opts),
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bottommost_temperature(options.bottommost_temperature),
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sample_for_compression(
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options.sample_for_compression), // TODO: is 0 fine here?
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compression_per_level(options.compression_per_level) {
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RefreshDerivedOptions(options.num_levels, options.compaction_style);
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}
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MutableCFOptions()
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: write_buffer_size(0),
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max_write_buffer_number(0),
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arena_block_size(0),
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memtable_prefix_bloom_size_ratio(0),
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memtable_whole_key_filtering(false),
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memtable_huge_page_size(0),
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max_successive_merges(0),
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inplace_update_num_locks(0),
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prefix_extractor(nullptr),
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disable_auto_compactions(false),
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soft_pending_compaction_bytes_limit(0),
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hard_pending_compaction_bytes_limit(0),
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level0_file_num_compaction_trigger(0),
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level0_slowdown_writes_trigger(0),
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level0_stop_writes_trigger(0),
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max_compaction_bytes(0),
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target_file_size_base(0),
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target_file_size_multiplier(0),
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max_bytes_for_level_base(0),
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max_bytes_for_level_multiplier(0),
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ttl(0),
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periodic_compaction_seconds(0),
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compaction_options_fifo(),
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enable_blob_files(false),
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min_blob_size(0),
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blob_file_size(0),
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blob_compression_type(kNoCompression),
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enable_blob_garbage_collection(false),
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blob_garbage_collection_age_cutoff(0.0),
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blob_garbage_collection_force_threshold(0.0),
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blob_compaction_readahead_size(0),
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max_sequential_skip_in_iterations(0),
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check_flush_compaction_key_order(true),
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paranoid_file_checks(false),
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report_bg_io_stats(false),
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compression(Snappy_Supported() ? kSnappyCompression : kNoCompression),
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bottommost_compression(kDisableCompressionOption),
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bottommost_temperature(Temperature::kUnknown),
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sample_for_compression(0) {}
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explicit MutableCFOptions(const Options& options);
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// Must be called after any change to MutableCFOptions
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void RefreshDerivedOptions(int num_levels, CompactionStyle compaction_style);
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void RefreshDerivedOptions(const ImmutableCFOptions& ioptions) {
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RefreshDerivedOptions(ioptions.num_levels, ioptions.compaction_style);
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}
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int MaxBytesMultiplerAdditional(int level) const {
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if (level >=
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static_cast<int>(max_bytes_for_level_multiplier_additional.size())) {
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return 1;
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}
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return max_bytes_for_level_multiplier_additional[level];
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}
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void Dump(Logger* log) const;
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// Memtable related options
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size_t write_buffer_size;
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int max_write_buffer_number;
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size_t arena_block_size;
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double memtable_prefix_bloom_size_ratio;
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bool memtable_whole_key_filtering;
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size_t memtable_huge_page_size;
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size_t max_successive_merges;
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size_t inplace_update_num_locks;
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std::shared_ptr<const SliceTransform> prefix_extractor;
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// Compaction related options
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bool disable_auto_compactions;
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uint64_t soft_pending_compaction_bytes_limit;
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uint64_t hard_pending_compaction_bytes_limit;
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int level0_file_num_compaction_trigger;
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int level0_slowdown_writes_trigger;
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int level0_stop_writes_trigger;
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uint64_t max_compaction_bytes;
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uint64_t target_file_size_base;
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int target_file_size_multiplier;
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uint64_t max_bytes_for_level_base;
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double max_bytes_for_level_multiplier;
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uint64_t ttl;
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uint64_t periodic_compaction_seconds;
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std::vector<int> max_bytes_for_level_multiplier_additional;
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CompactionOptionsFIFO compaction_options_fifo;
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CompactionOptionsUniversal compaction_options_universal;
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// Blob file related options
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bool enable_blob_files;
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uint64_t min_blob_size;
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uint64_t blob_file_size;
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CompressionType blob_compression_type;
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bool enable_blob_garbage_collection;
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double blob_garbage_collection_age_cutoff;
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double blob_garbage_collection_force_threshold;
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uint64_t blob_compaction_readahead_size;
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// Misc options
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uint64_t max_sequential_skip_in_iterations;
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bool check_flush_compaction_key_order;
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bool paranoid_file_checks;
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bool report_bg_io_stats;
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CompressionType compression;
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CompressionType bottommost_compression;
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CompressionOptions compression_opts;
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CompressionOptions bottommost_compression_opts;
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// TODO this experimental option isn't made configurable
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// through strings yet.
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Temperature bottommost_temperature;
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uint64_t sample_for_compression;
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std::vector<CompressionType> compression_per_level;
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// Derived options
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// Per-level target file size.
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std::vector<uint64_t> max_file_size;
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};
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uint64_t MultiplyCheckOverflow(uint64_t op1, double op2);
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// Get the max file size in a given level.
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uint64_t MaxFileSizeForLevel(const MutableCFOptions& cf_options,
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int level, CompactionStyle compaction_style, int base_level = 1,
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bool level_compaction_dynamic_level_bytes = false);
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// Get the max size of an L0 file for which we will pin its meta-blocks when
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// `pin_l0_filter_and_index_blocks_in_cache` is set.
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size_t MaxFileSizeForL0MetaPin(const MutableCFOptions& cf_options);
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#ifndef ROCKSDB_LITE
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Status GetStringFromMutableCFOptions(const ConfigOptions& config_options,
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const MutableCFOptions& mutable_opts,
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std::string* opt_string);
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Status GetMutableOptionsFromStrings(
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const MutableCFOptions& base_options,
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const std::unordered_map<std::string, std::string>& options_map,
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Logger* info_log, MutableCFOptions* new_options);
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#endif // ROCKSDB_LITE
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} // namespace ROCKSDB_NAMESPACE
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