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rocksdb/options/cf_options.cc
Jay Zhuang b0c5ecd6b3 Make max_subcompactions dynamically changeable (#7159) 
Summary:
Make `max-subcompactions` dynamically changeable by passing the `DBOption` to Compaction.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7159

Reviewed By: siying

Differential Revision: D22671238

Pulled By: jay-zhuang

fbshipit-source-id: 311ca9f6bb606965544d8708616d358cfed5be42
2020-07-22 18:32:52 -07:00

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "options/cf_options.h"
#include <cassert>
#include <cinttypes>
#include <limits>
#include <string>
#include "options/db_options.h"
#include "options/options_helper.h"
#include "port/port.h"
#include "rocksdb/concurrent_task_limiter.h"
#include "rocksdb/convenience.h"
#include "rocksdb/env.h"
#include "rocksdb/file_system.h"
#include "rocksdb/merge_operator.h"
#include "rocksdb/options.h"
#include "rocksdb/utilities/object_registry.h"
#include "table/block_based/block_based_table_factory.h"
#include "table/plain/plain_table_factory.h"
#include "util/cast_util.h"
namespace ROCKSDB_NAMESPACE {
// offset_of is used to get the offset of a class data member
// ex: offset_of(&ColumnFamilyOptions::num_levels)
// This call will return the offset of num_levels in ColumnFamilyOptions class
//
// This is the same as offsetof() but allow us to work with non standard-layout
// classes and structures
// refs:
// http://en.cppreference.com/w/cpp/concept/StandardLayoutType
// https://gist.github.com/graphitemaster/494f21190bb2c63c5516
#ifndef ROCKSDB_LITE
ColumnFamilyOptions OptionsHelper::dummy_cf_options;
template <typename T1>
int offset_of(T1 ColumnFamilyOptions::*member) {
return int(size_t(&(OptionsHelper::dummy_cf_options.*member)) -
size_t(&OptionsHelper::dummy_cf_options));
}
template <typename T1>
int offset_of(T1 AdvancedColumnFamilyOptions::*member) {
return int(size_t(&(OptionsHelper::dummy_cf_options.*member)) -
size_t(&OptionsHelper::dummy_cf_options));
}
static Status ParseCompressionOptions(const std::string& value,
const std::string& name,
CompressionOptions& compression_opts) {
size_t start = 0;
size_t end = value.find(':');
if (end == std::string::npos) {
return Status::InvalidArgument("unable to parse the specified CF option " +
name);
}
compression_opts.window_bits = ParseInt(value.substr(start, end - start));
start = end + 1;
end = value.find(':', start);
if (end == std::string::npos) {
return Status::InvalidArgument("unable to parse the specified CF option " +
name);
}
compression_opts.level = ParseInt(value.substr(start, end - start));
start = end + 1;
if (start >= value.size()) {
return Status::InvalidArgument("unable to parse the specified CF option " +
name);
}
end = value.find(':', start);
compression_opts.strategy =
ParseInt(value.substr(start, value.size() - start));
// max_dict_bytes is optional for backwards compatibility
if (end != std::string::npos) {
start = end + 1;
if (start >= value.size()) {
return Status::InvalidArgument(
"unable to parse the specified CF option " + name);
}
compression_opts.max_dict_bytes =
ParseInt(value.substr(start, value.size() - start));
end = value.find(':', start);
}
// zstd_max_train_bytes is optional for backwards compatibility
if (end != std::string::npos) {
start = end + 1;
if (start >= value.size()) {
return Status::InvalidArgument(
"unable to parse the specified CF option " + name);
}
compression_opts.zstd_max_train_bytes =
ParseInt(value.substr(start, value.size() - start));
end = value.find(':', start);
}
// parallel_threads is optional for backwards compatibility
if (end != std::string::npos) {
start = end + 1;
if (start >= value.size()) {
return Status::InvalidArgument(
"unable to parse the specified CF option " + name);
}
// Since parallel_threads comes before enabled but was added optionally
// later, we need to check if this is the final token (meaning it is the
// enabled bit), or if there is another token (meaning this one is
// parallel_threads)
end = value.find(':', start);
if (end != std::string::npos) {
compression_opts.parallel_threads =
ParseInt(value.substr(start, value.size() - start));
} else {
// parallel_threads is not serialized with this format, but enabled is
compression_opts.parallel_threads = CompressionOptions().parallel_threads;
compression_opts.enabled =
ParseBoolean("", value.substr(start, value.size() - start));
}
}
// enabled is optional for backwards compatibility
if (end != std::string::npos) {
start = end + 1;
if (start >= value.size()) {
return Status::InvalidArgument(
"unable to parse the specified CF option " + name);
}
compression_opts.enabled =
ParseBoolean("", value.substr(start, value.size() - start));
}
return Status::OK();
}
const std::string kOptNameBMCompOpts = "bottommost_compression_opts";
const std::string kOptNameCompOpts = "compression_opts";
// OptionTypeInfo map for CompressionOptions
static std::unordered_map<std::string, OptionTypeInfo>
compression_options_type_info = {
{"window_bits",
{offsetof(struct CompressionOptions, window_bits), OptionType::kInt,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, window_bits)}},
{"level",
{offsetof(struct CompressionOptions, level), OptionType::kInt,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, level)}},
{"strategy",
{offsetof(struct CompressionOptions, strategy), OptionType::kInt,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, strategy)}},
{"max_dict_bytes",
{offsetof(struct CompressionOptions, max_dict_bytes), OptionType::kInt,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, max_dict_bytes)}},
{"zstd_max_train_bytes",
{offsetof(struct CompressionOptions, zstd_max_train_bytes),
OptionType::kUInt32T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, zstd_max_train_bytes)}},
{"parallel_threads",
{offsetof(struct CompressionOptions, parallel_threads),
OptionType::kUInt32T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, parallel_threads)}},
{"enabled",
{offsetof(struct CompressionOptions, enabled), OptionType::kBoolean,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct CompressionOptions, enabled)}},
};
static std::unordered_map<std::string, OptionTypeInfo>
fifo_compaction_options_type_info = {
{"max_table_files_size",
{offsetof(struct CompactionOptionsFIFO, max_table_files_size),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct CompactionOptionsFIFO, max_table_files_size)}},
{"ttl",
{0, OptionType::kUInt64T, OptionVerificationType::kDeprecated,
OptionTypeFlags::kNone, 0}},
{"allow_compaction",
{offsetof(struct CompactionOptionsFIFO, allow_compaction),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct CompactionOptionsFIFO, allow_compaction)}}};
static std::unordered_map<std::string, OptionTypeInfo>
universal_compaction_options_type_info = {
{"size_ratio",
{offsetof(class CompactionOptionsUniversal, size_ratio),
OptionType::kUInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal, size_ratio)}},
{"min_merge_width",
{offsetof(class CompactionOptionsUniversal, min_merge_width),
OptionType::kUInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal, min_merge_width)}},
{"max_merge_width",
{offsetof(class CompactionOptionsUniversal, max_merge_width),
OptionType::kUInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal, max_merge_width)}},
{"max_size_amplification_percent",
{offsetof(class CompactionOptionsUniversal,
max_size_amplification_percent),
OptionType::kUInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal,
max_size_amplification_percent)}},
{"compression_size_percent",
{offsetof(class CompactionOptionsUniversal, compression_size_percent),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal,
compression_size_percent)}},
{"stop_style",
{offsetof(class CompactionOptionsUniversal, stop_style),
OptionType::kCompactionStopStyle, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal, stop_style)}},
{"allow_trivial_move",
{offsetof(class CompactionOptionsUniversal, allow_trivial_move),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(class CompactionOptionsUniversal, allow_trivial_move)}}};
std::unordered_map<std::string, OptionTypeInfo>
OptionsHelper::cf_options_type_info = {
/* not yet supported
CompressionOptions compression_opts;
TablePropertiesCollectorFactories table_properties_collector_factories;
typedef std::vector<std::shared_ptr<TablePropertiesCollectorFactory>>
TablePropertiesCollectorFactories;
UpdateStatus (*inplace_callback)(char* existing_value,
uint34_t* existing_value_size,
Slice delta_value,
std::string* merged_value);
std::vector<DbPath> cf_paths;
*/
{"report_bg_io_stats",
{offset_of(&ColumnFamilyOptions::report_bg_io_stats),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, report_bg_io_stats)}},
{"compaction_measure_io_stats",
{0, OptionType::kBoolean, OptionVerificationType::kDeprecated,
OptionTypeFlags::kNone, 0}},
{"disable_auto_compactions",
{offset_of(&ColumnFamilyOptions::disable_auto_compactions),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, disable_auto_compactions)}},
{"filter_deletes",
{0, OptionType::kBoolean, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"inplace_update_support",
{offset_of(&ColumnFamilyOptions::inplace_update_support),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"level_compaction_dynamic_level_bytes",
{offset_of(&ColumnFamilyOptions::level_compaction_dynamic_level_bytes),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"optimize_filters_for_hits",
{offset_of(&ColumnFamilyOptions::optimize_filters_for_hits),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"paranoid_file_checks",
{offset_of(&ColumnFamilyOptions::paranoid_file_checks),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, paranoid_file_checks)}},
{"force_consistency_checks",
{offset_of(&ColumnFamilyOptions::force_consistency_checks),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"purge_redundant_kvs_while_flush",
{offset_of(&ColumnFamilyOptions::purge_redundant_kvs_while_flush),
OptionType::kBoolean, OptionVerificationType::kDeprecated,
OptionTypeFlags::kNone, 0}},
{"verify_checksums_in_compaction",
{0, OptionType::kBoolean, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"soft_pending_compaction_bytes_limit",
{offset_of(&ColumnFamilyOptions::soft_pending_compaction_bytes_limit),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions,
soft_pending_compaction_bytes_limit)}},
{"hard_pending_compaction_bytes_limit",
{offset_of(&ColumnFamilyOptions::hard_pending_compaction_bytes_limit),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions,
hard_pending_compaction_bytes_limit)}},
{"hard_rate_limit",
{0, OptionType::kDouble, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"soft_rate_limit",
{0, OptionType::kDouble, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"max_compaction_bytes",
{offset_of(&ColumnFamilyOptions::max_compaction_bytes),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, max_compaction_bytes)}},
{"expanded_compaction_factor",
{0, OptionType::kInt, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"level0_file_num_compaction_trigger",
{offset_of(&ColumnFamilyOptions::level0_file_num_compaction_trigger),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions,
level0_file_num_compaction_trigger)}},
{"level0_slowdown_writes_trigger",
{offset_of(&ColumnFamilyOptions::level0_slowdown_writes_trigger),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, level0_slowdown_writes_trigger)}},
{"level0_stop_writes_trigger",
{offset_of(&ColumnFamilyOptions::level0_stop_writes_trigger),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, level0_stop_writes_trigger)}},
{"max_grandparent_overlap_factor",
{0, OptionType::kInt, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"max_mem_compaction_level",
{0, OptionType::kInt, OptionVerificationType::kDeprecated,
OptionTypeFlags::kNone, 0}},
{"max_write_buffer_number",
{offset_of(&ColumnFamilyOptions::max_write_buffer_number),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, max_write_buffer_number)}},
{"max_write_buffer_number_to_maintain",
{offset_of(&ColumnFamilyOptions::max_write_buffer_number_to_maintain),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"max_write_buffer_size_to_maintain",
{offset_of(&ColumnFamilyOptions::max_write_buffer_size_to_maintain),
OptionType::kInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"min_write_buffer_number_to_merge",
{offset_of(&ColumnFamilyOptions::min_write_buffer_number_to_merge),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"num_levels",
{offset_of(&ColumnFamilyOptions::num_levels), OptionType::kInt,
OptionVerificationType::kNormal, OptionTypeFlags::kNone, 0}},
{"source_compaction_factor",
{0, OptionType::kInt, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"target_file_size_multiplier",
{offset_of(&ColumnFamilyOptions::target_file_size_multiplier),
OptionType::kInt, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, target_file_size_multiplier)}},
{"arena_block_size",
{offset_of(&ColumnFamilyOptions::arena_block_size), OptionType::kSizeT,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, arena_block_size)}},
{"inplace_update_num_locks",
{offset_of(&ColumnFamilyOptions::inplace_update_num_locks),
OptionType::kSizeT, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, inplace_update_num_locks)}},
{"max_successive_merges",
{offset_of(&ColumnFamilyOptions::max_successive_merges),
OptionType::kSizeT, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, max_successive_merges)}},
{"memtable_huge_page_size",
{offset_of(&ColumnFamilyOptions::memtable_huge_page_size),
OptionType::kSizeT, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, memtable_huge_page_size)}},
{"memtable_prefix_bloom_huge_page_tlb_size",
{0, OptionType::kSizeT, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"write_buffer_size",
{offset_of(&ColumnFamilyOptions::write_buffer_size),
OptionType::kSizeT, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, write_buffer_size)}},
{"bloom_locality",
{offset_of(&ColumnFamilyOptions::bloom_locality), OptionType::kUInt32T,
OptionVerificationType::kNormal, OptionTypeFlags::kNone, 0}},
{"memtable_prefix_bloom_bits",
{0, OptionType::kUInt32T, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"memtable_prefix_bloom_size_ratio",
{offset_of(&ColumnFamilyOptions::memtable_prefix_bloom_size_ratio),
OptionType::kDouble, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, memtable_prefix_bloom_size_ratio)}},
{"memtable_prefix_bloom_probes",
{0, OptionType::kUInt32T, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"memtable_whole_key_filtering",
{offset_of(&ColumnFamilyOptions::memtable_whole_key_filtering),
OptionType::kBoolean, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, memtable_whole_key_filtering)}},
{"min_partial_merge_operands",
{0, OptionType::kUInt32T, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"max_bytes_for_level_base",
{offset_of(&ColumnFamilyOptions::max_bytes_for_level_base),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, max_bytes_for_level_base)}},
{"snap_refresh_nanos",
{0, OptionType::kUInt64T, OptionVerificationType::kDeprecated,
OptionTypeFlags::kMutable, 0}},
{"max_bytes_for_level_multiplier",
{offset_of(&ColumnFamilyOptions::max_bytes_for_level_multiplier),
OptionType::kDouble, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, max_bytes_for_level_multiplier)}},
{"max_bytes_for_level_multiplier_additional",
OptionTypeInfo::Vector<int>(
offset_of(&ColumnFamilyOptions::
max_bytes_for_level_multiplier_additional),
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions,
max_bytes_for_level_multiplier_additional),
{0, OptionType::kInt, 0})},
{"max_sequential_skip_in_iterations",
{offset_of(&ColumnFamilyOptions::max_sequential_skip_in_iterations),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions,
max_sequential_skip_in_iterations)}},
{"target_file_size_base",
{offset_of(&ColumnFamilyOptions::target_file_size_base),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, target_file_size_base)}},
{"rate_limit_delay_max_milliseconds",
{0, OptionType::kUInt, OptionVerificationType::kDeprecated,
OptionTypeFlags::kNone, 0}},
{"compression",
{offset_of(&ColumnFamilyOptions::compression),
OptionType::kCompressionType, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, compression)}},
{"compression_per_level",
OptionTypeInfo::Vector<CompressionType>(
offset_of(&ColumnFamilyOptions::compression_per_level),
OptionVerificationType::kNormal, OptionTypeFlags::kNone, 0,
{0, OptionType::kCompressionType})},
{"bottommost_compression",
{offset_of(&ColumnFamilyOptions::bottommost_compression),
OptionType::kCompressionType, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, bottommost_compression)}},
{"comparator",
{offset_of(&ColumnFamilyOptions::comparator), OptionType::kComparator,
OptionVerificationType::kByName, OptionTypeFlags::kCompareLoose, 0,
// Parses the string and sets the corresponding comparator
[](const ConfigOptions& /*opts*/, const std::string& /*name*/,
const std::string& value, char* addr) {
auto old_comparator = reinterpret_cast<const Comparator**>(addr);
const Comparator* new_comparator = *old_comparator;
Status status = ObjectRegistry::NewInstance()->NewStaticObject(
value, &new_comparator);
if (status.ok()) {
*old_comparator = new_comparator;
return status;
}
return Status::OK();
}}},
{"prefix_extractor",
{offset_of(&ColumnFamilyOptions::prefix_extractor),
OptionType::kSliceTransform, OptionVerificationType::kByNameAllowNull,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, prefix_extractor)}},
{"memtable_insert_with_hint_prefix_extractor",
{offset_of(
&ColumnFamilyOptions::memtable_insert_with_hint_prefix_extractor),
OptionType::kSliceTransform, OptionVerificationType::kByNameAllowNull,
OptionTypeFlags::kNone, 0}},
{"memtable_factory",
{offset_of(&ColumnFamilyOptions::memtable_factory),
OptionType::kMemTableRepFactory, OptionVerificationType::kByName,
OptionTypeFlags::kNone, 0}},
{"memtable",
{offset_of(&ColumnFamilyOptions::memtable_factory),
OptionType::kMemTableRepFactory, OptionVerificationType::kAlias,
OptionTypeFlags::kNone, 0,
// Parses the value string and updates the memtable_factory
[](const ConfigOptions& /*opts*/, const std::string& /*name*/,
const std::string& value, char* addr) {
std::unique_ptr<MemTableRepFactory> new_mem_factory;
Status s = GetMemTableRepFactoryFromString(value, &new_mem_factory);
if (s.ok()) {
auto memtable_factory =
reinterpret_cast<std::shared_ptr<MemTableRepFactory>*>(addr);
memtable_factory->reset(new_mem_factory.release());
}
return s;
}}},
{"table_factory",
{offset_of(&ColumnFamilyOptions::table_factory),
OptionType::kTableFactory, OptionVerificationType::kByName,
OptionTypeFlags::kCompareLoose, 0}},
{"block_based_table_factory",
{offset_of(&ColumnFamilyOptions::table_factory),
OptionType::kTableFactory, OptionVerificationType::kAlias,
OptionTypeFlags::kCompareLoose, 0,
// Parses the input value and creates a BlockBasedTableFactory
[](const ConfigOptions& /*opts*/, const std::string& /*name*/,
const std::string& value, char* addr) {
// Nested options
auto old_table_factory =
reinterpret_cast<std::shared_ptr<TableFactory>*>(addr);
BlockBasedTableOptions table_opts, base_opts;
BlockBasedTableFactory* block_based_table_factory =
static_cast_with_check<BlockBasedTableFactory>(
old_table_factory->get());
if (block_based_table_factory != nullptr) {
base_opts = block_based_table_factory->table_options();
}
Status s = GetBlockBasedTableOptionsFromString(base_opts, value,
&table_opts);
if (s.ok()) {
old_table_factory->reset(NewBlockBasedTableFactory(table_opts));
}
return s;
}}},
{"plain_table_factory",
{offset_of(&ColumnFamilyOptions::table_factory),
OptionType::kTableFactory, OptionVerificationType::kAlias,
OptionTypeFlags::kCompareLoose, 0,
// Parses the input value and creates a PlainTableFactory
[](const ConfigOptions& /*opts*/, const std::string& /*name*/,
const std::string& value, char* addr) {
// Nested options
auto old_table_factory =
reinterpret_cast<std::shared_ptr<TableFactory>*>(addr);
PlainTableOptions table_opts, base_opts;
PlainTableFactory* plain_table_factory =
static_cast_with_check<PlainTableFactory>(
old_table_factory->get());
if (plain_table_factory != nullptr) {
base_opts = plain_table_factory->table_options();
}
Status s =
GetPlainTableOptionsFromString(base_opts, value, &table_opts);
if (s.ok()) {
old_table_factory->reset(NewPlainTableFactory(table_opts));
}
return s;
}}},
{"compaction_filter",
{offset_of(&ColumnFamilyOptions::compaction_filter),
OptionType::kCompactionFilter, OptionVerificationType::kByName,
OptionTypeFlags::kNone, 0}},
{"compaction_filter_factory",
{offset_of(&ColumnFamilyOptions::compaction_filter_factory),
OptionType::kCompactionFilterFactory, OptionVerificationType::kByName,
OptionTypeFlags::kNone, 0}},
{"merge_operator",
{offset_of(&ColumnFamilyOptions::merge_operator),
OptionType::kMergeOperator,
OptionVerificationType::kByNameAllowFromNull,
OptionTypeFlags::kCompareLoose, 0,
// Parses the input value as a MergeOperator, updating the value
[](const ConfigOptions& /*opts*/, const std::string& /*name*/,
const std::string& value, char* addr) {
auto mop = reinterpret_cast<std::shared_ptr<MergeOperator>*>(addr);
ObjectRegistry::NewInstance()
->NewSharedObject<MergeOperator>(value, mop)
.PermitUncheckedError();
return Status::OK();
}}},
{"compaction_style",
{offset_of(&ColumnFamilyOptions::compaction_style),
OptionType::kCompactionStyle, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"compaction_pri",
{offset_of(&ColumnFamilyOptions::compaction_pri),
OptionType::kCompactionPri, OptionVerificationType::kNormal,
OptionTypeFlags::kNone, 0}},
{"compaction_options_fifo",
OptionTypeInfo::Struct(
"compaction_options_fifo", &fifo_compaction_options_type_info,
offset_of(&ColumnFamilyOptions::compaction_options_fifo),
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, compaction_options_fifo),
[](const ConfigOptions& opts, const std::string& name,
const std::string& value, char* addr) {
// This is to handle backward compatibility, where
// compaction_options_fifo could be assigned a single scalar
// value, say, like "23", which would be assigned to
// max_table_files_size.
if (name == "compaction_options_fifo" &&
value.find("=") == std::string::npos) {
// Old format. Parse just a single uint64_t value.
auto options = reinterpret_cast<CompactionOptionsFIFO*>(addr);
options->max_table_files_size = ParseUint64(value);
return Status::OK();
} else {
return OptionTypeInfo::ParseStruct(
opts, "compaction_options_fifo",
&fifo_compaction_options_type_info, name, value, addr);
}
})},
{"compaction_options_universal",
OptionTypeInfo::Struct(
"compaction_options_universal",
&universal_compaction_options_type_info,
offset_of(&ColumnFamilyOptions::compaction_options_universal),
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, compaction_options_universal))},
{"ttl",
{offset_of(&ColumnFamilyOptions::ttl), OptionType::kUInt64T,
OptionVerificationType::kNormal, OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, ttl)}},
{"periodic_compaction_seconds",
{offset_of(&ColumnFamilyOptions::periodic_compaction_seconds),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, periodic_compaction_seconds)}},
{"sample_for_compression",
{offset_of(&ColumnFamilyOptions::sample_for_compression),
OptionType::kUInt64T, OptionVerificationType::kNormal,
OptionTypeFlags::kMutable,
offsetof(struct MutableCFOptions, sample_for_compression)}},
// The following properties were handled as special cases in ParseOption
// This means that the properties could be read from the options file
// but never written to the file or compared to each other.
{kOptNameCompOpts,
OptionTypeInfo::Struct(
kOptNameCompOpts, &compression_options_type_info,
offset_of(&ColumnFamilyOptions::compression_opts),
OptionVerificationType::kNormal,
(OptionTypeFlags::kMutable | OptionTypeFlags::kCompareNever),
offsetof(struct MutableCFOptions, compression_opts),
[](const ConfigOptions& opts, const std::string& name,
const std::string& value, char* addr) {
// This is to handle backward compatibility, where
// compression_options was a ":" separated list.
if (name == kOptNameCompOpts &&
value.find("=") == std::string::npos) {
auto* compression =
reinterpret_cast<CompressionOptions*>(addr);
return ParseCompressionOptions(value, name, *compression);
} else {
return OptionTypeInfo::ParseStruct(
opts, kOptNameCompOpts, &compression_options_type_info,
name, value, addr);
}
})},
{kOptNameBMCompOpts,
OptionTypeInfo::Struct(
kOptNameBMCompOpts, &compression_options_type_info,
offset_of(&ColumnFamilyOptions::bottommost_compression_opts),
OptionVerificationType::kNormal,
(OptionTypeFlags::kMutable | OptionTypeFlags::kCompareNever),
offsetof(struct MutableCFOptions, bottommost_compression_opts),
[](const ConfigOptions& opts, const std::string& name,
const std::string& value, char* addr) {
// This is to handle backward compatibility, where
// compression_options was a ":" separated list.
if (name == kOptNameBMCompOpts &&
value.find("=") == std::string::npos) {
auto* compression =
reinterpret_cast<CompressionOptions*>(addr);
return ParseCompressionOptions(value, name, *compression);
} else {
return OptionTypeInfo::ParseStruct(
opts, kOptNameBMCompOpts, &compression_options_type_info,
name, value, addr);
}
})},
// End special case properties
};
Status ParseColumnFamilyOption(const ConfigOptions& config_options,
const std::string& name,
const std::string& org_value,
ColumnFamilyOptions* new_options) {
const std::string& value = config_options.input_strings_escaped
? UnescapeOptionString(org_value)
: org_value;
try {
std::string elem;
const auto opt_info =
OptionTypeInfo::Find(name, cf_options_type_info, &elem);
if (opt_info != nullptr) {
return opt_info->Parse(
config_options, elem, value,
reinterpret_cast<char*>(new_options) + opt_info->offset_);
} else {
return Status::InvalidArgument(
"Unable to parse the specified CF option " + name);
}
} catch (const std::exception&) {
return Status::InvalidArgument("unable to parse the specified option " +
name);
}
}
#endif // ROCKSDB_LITE
ImmutableCFOptions::ImmutableCFOptions(const Options& options)
: ImmutableCFOptions(ImmutableDBOptions(options), options) {}
ImmutableCFOptions::ImmutableCFOptions(const ImmutableDBOptions& db_options,
const ColumnFamilyOptions& cf_options)
: compaction_style(cf_options.compaction_style),
compaction_pri(cf_options.compaction_pri),
user_comparator(cf_options.comparator),
internal_comparator(InternalKeyComparator(cf_options.comparator)),
merge_operator(cf_options.merge_operator.get()),
compaction_filter(cf_options.compaction_filter),
compaction_filter_factory(cf_options.compaction_filter_factory.get()),
min_write_buffer_number_to_merge(
cf_options.min_write_buffer_number_to_merge),
max_write_buffer_number_to_maintain(
cf_options.max_write_buffer_number_to_maintain),
max_write_buffer_size_to_maintain(
cf_options.max_write_buffer_size_to_maintain),
inplace_update_support(cf_options.inplace_update_support),
inplace_callback(cf_options.inplace_callback),
info_log(db_options.info_log.get()),
statistics(db_options.statistics.get()),
rate_limiter(db_options.rate_limiter.get()),
info_log_level(db_options.info_log_level),
env(db_options.env),
fs(db_options.fs.get()),
allow_mmap_reads(db_options.allow_mmap_reads),
allow_mmap_writes(db_options.allow_mmap_writes),
db_paths(db_options.db_paths),
memtable_factory(cf_options.memtable_factory.get()),
table_factory(cf_options.table_factory.get()),
table_properties_collector_factories(
cf_options.table_properties_collector_factories),
advise_random_on_open(db_options.advise_random_on_open),
bloom_locality(cf_options.bloom_locality),
purge_redundant_kvs_while_flush(
cf_options.purge_redundant_kvs_while_flush),
use_fsync(db_options.use_fsync),
compression_per_level(cf_options.compression_per_level),
level_compaction_dynamic_level_bytes(
cf_options.level_compaction_dynamic_level_bytes),
access_hint_on_compaction_start(
db_options.access_hint_on_compaction_start),
new_table_reader_for_compaction_inputs(
db_options.new_table_reader_for_compaction_inputs),
num_levels(cf_options.num_levels),
optimize_filters_for_hits(cf_options.optimize_filters_for_hits),
force_consistency_checks(cf_options.force_consistency_checks),
allow_ingest_behind(db_options.allow_ingest_behind),
preserve_deletes(db_options.preserve_deletes),
listeners(db_options.listeners),
row_cache(db_options.row_cache),
memtable_insert_with_hint_prefix_extractor(
cf_options.memtable_insert_with_hint_prefix_extractor.get()),
cf_paths(cf_options.cf_paths),
compaction_thread_limiter(cf_options.compaction_thread_limiter),
file_checksum_gen_factory(db_options.file_checksum_gen_factory.get()) {}
// Multiple two operands. If they overflow, return op1.
uint64_t MultiplyCheckOverflow(uint64_t op1, double op2) {
if (op1 == 0 || op2 <= 0) {
return 0;
}
if (port::kMaxUint64 / op1 < op2) {
return op1;
}
return static_cast<uint64_t>(op1 * op2);
}
// when level_compaction_dynamic_level_bytes is true and leveled compaction
// is used, the base level is not always L1, so precomupted max_file_size can
// no longer be used. Recompute file_size_for_level from base level.
uint64_t MaxFileSizeForLevel(const MutableCFOptions& cf_options,
int level, CompactionStyle compaction_style, int base_level,
bool level_compaction_dynamic_level_bytes) {
if (!level_compaction_dynamic_level_bytes || level < base_level ||
compaction_style != kCompactionStyleLevel) {
assert(level >= 0);
assert(level < (int)cf_options.max_file_size.size());
return cf_options.max_file_size[level];
} else {
assert(level >= 0 && base_level >= 0);
assert(level - base_level < (int)cf_options.max_file_size.size());
return cf_options.max_file_size[level - base_level];
}
}
size_t MaxFileSizeForL0MetaPin(const MutableCFOptions& cf_options) {
// We do not want to pin meta-blocks that almost certainly came from intra-L0
// or a former larger `write_buffer_size` value to avoid surprising users with
// pinned memory usage. We use a factor of 1.5 to account for overhead
// introduced during flush in most cases.
if (port::kMaxSizet / 3 < cf_options.write_buffer_size / 2) {
return port::kMaxSizet;
}
return cf_options.write_buffer_size / 2 * 3;
}
void MutableCFOptions::RefreshDerivedOptions(int num_levels,
CompactionStyle compaction_style) {
max_file_size.resize(num_levels);
for (int i = 0; i < num_levels; ++i) {
if (i == 0 && compaction_style == kCompactionStyleUniversal) {
max_file_size[i] = ULLONG_MAX;
} else if (i > 1) {
max_file_size[i] = MultiplyCheckOverflow(max_file_size[i - 1],
target_file_size_multiplier);
} else {
max_file_size[i] = target_file_size_base;
}
}
}
void MutableCFOptions::Dump(Logger* log) const {
// Memtable related options
ROCKS_LOG_INFO(log,
" write_buffer_size: %" ROCKSDB_PRIszt,
write_buffer_size);
ROCKS_LOG_INFO(log, " max_write_buffer_number: %d",
max_write_buffer_number);
ROCKS_LOG_INFO(log,
" arena_block_size: %" ROCKSDB_PRIszt,
arena_block_size);
ROCKS_LOG_INFO(log, " memtable_prefix_bloom_ratio: %f",
memtable_prefix_bloom_size_ratio);
ROCKS_LOG_INFO(log, " memtable_whole_key_filtering: %d",
memtable_whole_key_filtering);
ROCKS_LOG_INFO(log,
" memtable_huge_page_size: %" ROCKSDB_PRIszt,
memtable_huge_page_size);
ROCKS_LOG_INFO(log,
" max_successive_merges: %" ROCKSDB_PRIszt,
max_successive_merges);
ROCKS_LOG_INFO(log,
" inplace_update_num_locks: %" ROCKSDB_PRIszt,
inplace_update_num_locks);
ROCKS_LOG_INFO(
log, " prefix_extractor: %s",
prefix_extractor == nullptr ? "nullptr" : prefix_extractor->Name());
ROCKS_LOG_INFO(log, " disable_auto_compactions: %d",
disable_auto_compactions);
ROCKS_LOG_INFO(log, " soft_pending_compaction_bytes_limit: %" PRIu64,
soft_pending_compaction_bytes_limit);
ROCKS_LOG_INFO(log, " hard_pending_compaction_bytes_limit: %" PRIu64,
hard_pending_compaction_bytes_limit);
ROCKS_LOG_INFO(log, " level0_file_num_compaction_trigger: %d",
level0_file_num_compaction_trigger);
ROCKS_LOG_INFO(log, " level0_slowdown_writes_trigger: %d",
level0_slowdown_writes_trigger);
ROCKS_LOG_INFO(log, " level0_stop_writes_trigger: %d",
level0_stop_writes_trigger);
ROCKS_LOG_INFO(log, " max_compaction_bytes: %" PRIu64,
max_compaction_bytes);
ROCKS_LOG_INFO(log, " target_file_size_base: %" PRIu64,
target_file_size_base);
ROCKS_LOG_INFO(log, " target_file_size_multiplier: %d",
target_file_size_multiplier);
ROCKS_LOG_INFO(log, " max_bytes_for_level_base: %" PRIu64,
max_bytes_for_level_base);
ROCKS_LOG_INFO(log, " max_bytes_for_level_multiplier: %f",
max_bytes_for_level_multiplier);
ROCKS_LOG_INFO(log, " ttl: %" PRIu64,
ttl);
ROCKS_LOG_INFO(log, " periodic_compaction_seconds: %" PRIu64,
periodic_compaction_seconds);
std::string result;
char buf[10];
for (const auto m : max_bytes_for_level_multiplier_additional) {
snprintf(buf, sizeof(buf), "%d, ", m);
result += buf;
}
if (result.size() >= 2) {
result.resize(result.size() - 2);
} else {
result = "";
}
ROCKS_LOG_INFO(log, "max_bytes_for_level_multiplier_additional: %s",
result.c_str());
ROCKS_LOG_INFO(log, " max_sequential_skip_in_iterations: %" PRIu64,
max_sequential_skip_in_iterations);
ROCKS_LOG_INFO(log, " paranoid_file_checks: %d",
paranoid_file_checks);
ROCKS_LOG_INFO(log, " report_bg_io_stats: %d",
report_bg_io_stats);
ROCKS_LOG_INFO(log, " compression: %d",
static_cast<int>(compression));
// Universal Compaction Options
ROCKS_LOG_INFO(log, "compaction_options_universal.size_ratio : %d",
compaction_options_universal.size_ratio);
ROCKS_LOG_INFO(log, "compaction_options_universal.min_merge_width : %d",
compaction_options_universal.min_merge_width);
ROCKS_LOG_INFO(log, "compaction_options_universal.max_merge_width : %d",
compaction_options_universal.max_merge_width);
ROCKS_LOG_INFO(
log, "compaction_options_universal.max_size_amplification_percent : %d",
compaction_options_universal.max_size_amplification_percent);
ROCKS_LOG_INFO(log,
"compaction_options_universal.compression_size_percent : %d",
compaction_options_universal.compression_size_percent);
ROCKS_LOG_INFO(log, "compaction_options_universal.stop_style : %d",
compaction_options_universal.stop_style);
ROCKS_LOG_INFO(
log, "compaction_options_universal.allow_trivial_move : %d",
static_cast<int>(compaction_options_universal.allow_trivial_move));
// FIFO Compaction Options
ROCKS_LOG_INFO(log, "compaction_options_fifo.max_table_files_size : %" PRIu64,
compaction_options_fifo.max_table_files_size);
ROCKS_LOG_INFO(log, "compaction_options_fifo.allow_compaction : %d",
compaction_options_fifo.allow_compaction);
}
MutableCFOptions::MutableCFOptions(const Options& options)
: MutableCFOptions(ColumnFamilyOptions(options)) {}
} // namespace ROCKSDB_NAMESPACE
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