5ec53f3edf
Summary: make compaction related options changeable. Most of changes are tedious, following the same convention: grabs MutableCFOptions at the beginning of compaction under mutex, then pass it throughout the job and register it in SuperVersion at the end. Test Plan: make all check Reviewers: igor, yhchiang, sdong Reviewed By: sdong Subscribers: leveldb Differential Revision: https://reviews.facebook.net/D23349
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// 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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#pragma once
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#include <vector>
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#include "rocksdb/options.h"
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namespace rocksdb {
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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. You shouldn't need to access this data structure unless you are
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// implementing a new TableFactory. Raw pointers defined in this struct do
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// not have ownership to the data they point to. Options contains shared_ptr
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// to these data.
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struct ImmutableCFOptions {
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explicit ImmutableCFOptions(const Options& options);
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CompactionStyle compaction_style;
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CompactionOptionsUniversal compaction_options_universal;
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CompactionOptionsFIFO compaction_options_fifo;
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const SliceTransform* prefix_extractor;
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const Comparator* comparator;
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MergeOperator* merge_operator;
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const CompactionFilter* compaction_filter;
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CompactionFilterFactory* compaction_filter_factory;
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CompactionFilterFactoryV2* compaction_filter_factory_v2;
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Logger* info_log;
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Statistics* statistics;
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InfoLogLevel info_log_level;
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Env* env;
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// Allow the OS to mmap file for reading sst tables. Default: false
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bool allow_mmap_reads;
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// Allow the OS to mmap file for writing. Default: false
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bool allow_mmap_writes;
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std::vector<DbPath> db_paths;
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MemTableRepFactory* memtable_factory;
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TableFactory* table_factory;
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Options::TablePropertiesCollectorFactories
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table_properties_collector_factories;
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bool advise_random_on_open;
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// This options is required by PlainTableReader. May need to move it
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// to PlainTalbeOptions just like bloom_bits_per_key
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uint32_t bloom_locality;
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bool purge_redundant_kvs_while_flush;
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uint32_t min_partial_merge_operands;
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bool disable_data_sync;
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bool use_fsync;
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CompressionType compression;
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std::vector<CompressionType> compression_per_level;
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CompressionOptions compression_opts;
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Options::AccessHint access_hint_on_compaction_start;
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int num_levels;
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};
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} // namespace rocksdb
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