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rocksdb/options/options_settable_test.cc
Jay Huh 63ed868840 Offpeak in db option (#11893) 
Summary:
RocksDB's primary function is to facilitate read and write operations. Compactions, while essential for minimizing read amplifications and optimizing storage, can sometimes compete with these primary tasks. Especially during periods of high read/write traffic, it's vital to ensure that primary operations receive priority, avoiding any potential disruptions or slowdowns. Conversely, during off-peak times when traffic is minimal, it's an opportune moment to tackle low-priority tasks like TTL based compactions, optimizing resource usage.

In this PR, we are incorporating the concept of off-peak time into RocksDB by introducing `daily_offpeak_time_utc` within the DBOptions. This setting is formatted as "HH:mm-HH:mm" where the first one before "-" is the start time and the second one is the end time, inclusive. It will be later used for resource optimization in subsequent PRs.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11893

Test Plan:
- New Unit Test Added - `DBOptionsTest::OffPeakTimes`
- Existing Unit Test Updated - `OptionsTest`, `OptionsSettableTest`

Reviewed By: pdillinger

Differential Revision: D49714553

Pulled By: jaykorean

fbshipit-source-id: fef51ea7c0fede6431c715bff116ddbb567c8752
2023-09-29 13:03:39 -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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include <cstring>
#include "options/cf_options.h"
#include "options/db_options.h"
#include "options/options_helper.h"
#include "rocksdb/convenience.h"
#include "test_util/testharness.h"
#ifndef GFLAGS
bool FLAGS_enable_print = false;
#else
#include "util/gflags_compat.h"
using GFLAGS_NAMESPACE::ParseCommandLineFlags;
DEFINE_bool(enable_print, false, "Print options generated to console.");
#endif // GFLAGS
namespace ROCKSDB_NAMESPACE {
// Verify options are settable from options strings.
// We take the approach that depends on compiler behavior that copy constructor
// won't touch implicit padding bytes, so that the test is fragile.
// As a result, we only run the tests to verify new fields in options are
// settable through string on limited platforms as it depends on behavior of
// compilers.
#if defined OS_LINUX || defined OS_WIN
#ifndef __clang__
#ifndef ROCKSDB_UBSAN_RUN
class OptionsSettableTest : public testing::Test {
public:
OptionsSettableTest() {}
};
const char kSpecialChar = 'z';
using OffsetGap = std::vector<std::pair<size_t, size_t>>;
void FillWithSpecialChar(char* start_ptr, size_t total_size,
const OffsetGap& excluded,
char special_char = kSpecialChar) {
size_t offset = 0;
// The excluded vector contains pairs of bytes, (first, second).
// The first bytes are all set to the special char (represented as 'c' below).
// The second bytes are simply skipped (padding bytes).
// ccccc[skipped]cccccccc[skiped]cccccccc[skipped]
for (auto& pair : excluded) {
std::memset(start_ptr + offset, special_char, pair.first - offset);
offset = pair.first + pair.second;
}
// The rest of the structure is filled with the special characters.
// ccccc[skipped]cccccccc[skiped]cccccccc[skipped]cccccccccccccccc
std::memset(start_ptr + offset, special_char, total_size - offset);
}
int NumUnsetBytes(char* start_ptr, size_t total_size,
const OffsetGap& excluded) {
int total_unset_bytes_base = 0;
size_t offset = 0;
for (auto& pair : excluded) {
// The first part of the structure contains memory spaces that can be
// set (pair.first), and memory spaces that cannot be set (pair.second).
// Therefore total_unset_bytes_base only agregates bytes set to kSpecialChar
// in the pair.first bytes, but skips the pair.second bytes (padding bytes).
for (char* ptr = start_ptr + offset; ptr < start_ptr + pair.first; ptr++) {
if (*ptr == kSpecialChar) {
total_unset_bytes_base++;
}
}
offset = pair.first + pair.second;
}
// Then total_unset_bytes_base aggregates the bytes
// set to kSpecialChar in the rest of the structure
for (char* ptr = start_ptr + offset; ptr < start_ptr + total_size; ptr++) {
if (*ptr == kSpecialChar) {
total_unset_bytes_base++;
}
}
return total_unset_bytes_base;
}
// Return true iff two structs are the same except excluded fields.
bool CompareBytes(char* start_ptr1, char* start_ptr2, size_t total_size,
const OffsetGap& excluded) {
size_t offset = 0;
for (auto& pair : excluded) {
for (; offset < pair.first; offset++) {
if (*(start_ptr1 + offset) != *(start_ptr2 + offset)) {
return false;
}
}
offset = pair.first + pair.second;
}
for (; offset < total_size; offset++) {
if (*(start_ptr1 + offset) != *(start_ptr2 + offset)) {
return false;
}
}
return true;
}
// If the test fails, likely a new option is added to BlockBasedTableOptions
// but it cannot be set through GetBlockBasedTableOptionsFromString(), or the
// test is not updated accordingly.
// After adding an option, we need to make sure it is settable by
// GetBlockBasedTableOptionsFromString() and add the option to the input string
// passed to the GetBlockBasedTableOptionsFromString() in this test.
// If it is a complicated type, you also need to add the field to
// kBbtoExcluded, and maybe add customized verification for it.
TEST_F(OptionsSettableTest, BlockBasedTableOptionsAllFieldsSettable) {
// Items in the form of <offset, size>. Need to be in ascending order
// and not overlapping. Need to update if new option to be excluded is added
// (e.g, pointer-type)
const OffsetGap kBbtoExcluded = {
{offsetof(struct BlockBasedTableOptions, flush_block_policy_factory),
sizeof(std::shared_ptr<FlushBlockPolicyFactory>)},
{offsetof(struct BlockBasedTableOptions, block_cache),
sizeof(std::shared_ptr<Cache>)},
{offsetof(struct BlockBasedTableOptions, persistent_cache),
sizeof(std::shared_ptr<PersistentCache>)},
{offsetof(struct BlockBasedTableOptions, cache_usage_options),
sizeof(CacheUsageOptions)},
{offsetof(struct BlockBasedTableOptions, filter_policy),
sizeof(std::shared_ptr<const FilterPolicy>)},
};
// In this test, we catch a new option of BlockBasedTableOptions that is not
// settable through GetBlockBasedTableOptionsFromString().
// We count padding bytes of the option struct, and assert it to be the same
// as unset bytes of an option struct initialized by
// GetBlockBasedTableOptionsFromString().
char* bbto_ptr = new char[sizeof(BlockBasedTableOptions)];
// Count padding bytes by setting all bytes in the memory to a special char,
// copy a well constructed struct to this memory and see how many special
// bytes left.
BlockBasedTableOptions* bbto = new (bbto_ptr) BlockBasedTableOptions();
FillWithSpecialChar(bbto_ptr, sizeof(BlockBasedTableOptions), kBbtoExcluded);
// It based on the behavior of compiler that padding bytes are not changed
// when copying the struct. It's prone to failure when compiler behavior
// changes. We verify there is unset bytes to detect the case.
*bbto = BlockBasedTableOptions();
int unset_bytes_base =
NumUnsetBytes(bbto_ptr, sizeof(BlockBasedTableOptions), kBbtoExcluded);
ASSERT_GT(unset_bytes_base, 0);
bbto->~BlockBasedTableOptions();
// Construct the base option passed into
// GetBlockBasedTableOptionsFromString().
bbto = new (bbto_ptr) BlockBasedTableOptions();
FillWithSpecialChar(bbto_ptr, sizeof(BlockBasedTableOptions), kBbtoExcluded);
// This option is not setable:
bbto->use_delta_encoding = true;
char* new_bbto_ptr = new char[sizeof(BlockBasedTableOptions)];
BlockBasedTableOptions* new_bbto =
new (new_bbto_ptr) BlockBasedTableOptions();
FillWithSpecialChar(new_bbto_ptr, sizeof(BlockBasedTableOptions),
kBbtoExcluded);
// Need to update the option string if a new option is added.
ConfigOptions config_options;
config_options.input_strings_escaped = false;
config_options.ignore_unknown_options = false;
config_options.invoke_prepare_options = false;
config_options.ignore_unsupported_options = false;
ASSERT_OK(GetBlockBasedTableOptionsFromString(
config_options, *bbto,
"cache_index_and_filter_blocks=1;"
"cache_index_and_filter_blocks_with_high_priority=true;"
"metadata_cache_options={top_level_index_pinning=kFallback;"
"partition_pinning=kAll;"
"unpartitioned_pinning=kFlushedAndSimilar;};"
"pin_l0_filter_and_index_blocks_in_cache=1;"
"pin_top_level_index_and_filter=1;"
"index_type=kHashSearch;"
"data_block_index_type=kDataBlockBinaryAndHash;"
"index_shortening=kNoShortening;"
"data_block_hash_table_util_ratio=0.75;"
"checksum=kxxHash;no_block_cache=1;"
"block_cache=1M;block_cache_compressed=1k;block_size=1024;"
"block_size_deviation=8;block_restart_interval=4; "
"metadata_block_size=1024;"
"partition_filters=false;"
"optimize_filters_for_memory=true;"
"index_block_restart_interval=4;"
"filter_policy=bloomfilter:4:true;whole_key_filtering=1;detect_filter_"
"construct_corruption=false;"
"format_version=1;"
"verify_compression=true;read_amp_bytes_per_bit=0;"
"enable_index_compression=false;"
"block_align=true;"
"max_auto_readahead_size=0;"
"prepopulate_block_cache=kDisable;"
"initial_auto_readahead_size=0;"
"num_file_reads_for_auto_readahead=0",
new_bbto));
ASSERT_EQ(unset_bytes_base,
NumUnsetBytes(new_bbto_ptr, sizeof(BlockBasedTableOptions),
kBbtoExcluded));
ASSERT_TRUE(new_bbto->block_cache.get() != nullptr);
ASSERT_TRUE(new_bbto->filter_policy.get() != nullptr);
bbto->~BlockBasedTableOptions();
new_bbto->~BlockBasedTableOptions();
delete[] bbto_ptr;
delete[] new_bbto_ptr;
}
// If the test fails, likely a new option is added to DBOptions
// but it cannot be set through GetDBOptionsFromString(), or the test is not
// updated accordingly.
// After adding an option, we need to make sure it is settable by
// GetDBOptionsFromString() and add the option to the input string passed to
// DBOptionsFromString()in this test.
// If it is a complicated type, you also need to add the field to
// kDBOptionsExcluded, and maybe add customized verification for it.
TEST_F(OptionsSettableTest, DBOptionsAllFieldsSettable) {
const OffsetGap kDBOptionsExcluded = {
{offsetof(struct DBOptions, env), sizeof(Env*)},
{offsetof(struct DBOptions, rate_limiter),
sizeof(std::shared_ptr<RateLimiter>)},
{offsetof(struct DBOptions, sst_file_manager),
sizeof(std::shared_ptr<SstFileManager>)},
{offsetof(struct DBOptions, info_log), sizeof(std::shared_ptr<Logger>)},
{offsetof(struct DBOptions, statistics),
sizeof(std::shared_ptr<Statistics>)},
{offsetof(struct DBOptions, db_paths), sizeof(std::vector<DbPath>)},
{offsetof(struct DBOptions, db_log_dir), sizeof(std::string)},
{offsetof(struct DBOptions, wal_dir), sizeof(std::string)},
{offsetof(struct DBOptions, write_buffer_manager),
sizeof(std::shared_ptr<WriteBufferManager>)},
{offsetof(struct DBOptions, listeners),
sizeof(std::vector<std::shared_ptr<EventListener>>)},
{offsetof(struct DBOptions, row_cache), sizeof(std::shared_ptr<Cache>)},
{offsetof(struct DBOptions, wal_filter), sizeof(const WalFilter*)},
{offsetof(struct DBOptions, file_checksum_gen_factory),
sizeof(std::shared_ptr<FileChecksumGenFactory>)},
{offsetof(struct DBOptions, db_host_id), sizeof(std::string)},
{offsetof(struct DBOptions, checksum_handoff_file_types),
sizeof(FileTypeSet)},
{offsetof(struct DBOptions, compaction_service),
sizeof(std::shared_ptr<CompactionService>)},
{offsetof(struct DBOptions, daily_offpeak_time_utc), sizeof(std::string)},
};
char* options_ptr = new char[sizeof(DBOptions)];
// Count padding bytes by setting all bytes in the memory to a special char,
// copy a well constructed struct to this memory and see how many special
// bytes left.
DBOptions* options = new (options_ptr) DBOptions();
FillWithSpecialChar(options_ptr, sizeof(DBOptions), kDBOptionsExcluded);
// It based on the behavior of compiler that padding bytes are not changed
// when copying the struct. It's prone to failure when compiler behavior
// changes. We verify there is unset bytes to detect the case.
*options = DBOptions();
int unset_bytes_base =
NumUnsetBytes(options_ptr, sizeof(DBOptions), kDBOptionsExcluded);
ASSERT_GT(unset_bytes_base, 0);
options->~DBOptions();
options = new (options_ptr) DBOptions();
FillWithSpecialChar(options_ptr, sizeof(DBOptions), kDBOptionsExcluded);
char* new_options_ptr = new char[sizeof(DBOptions)];
DBOptions* new_options = new (new_options_ptr) DBOptions();
FillWithSpecialChar(new_options_ptr, sizeof(DBOptions), kDBOptionsExcluded);
// Need to update the option string if a new option is added.
ConfigOptions config_options(*options);
config_options.input_strings_escaped = false;
config_options.ignore_unknown_options = false;
ASSERT_OK(
GetDBOptionsFromString(config_options, *options,
"wal_bytes_per_sync=4295048118;"
"delete_obsolete_files_period_micros=4294967758;"
"WAL_ttl_seconds=4295008036;"
"WAL_size_limit_MB=4295036161;"
"max_write_batch_group_size_bytes=1048576;"
"wal_dir=path/to/wal_dir;"
"db_write_buffer_size=2587;"
"max_subcompactions=64330;"
"table_cache_numshardbits=28;"
"max_open_files=72;"
"max_file_opening_threads=35;"
"max_background_jobs=8;"
"max_background_compactions=33;"
"use_fsync=true;"
"use_adaptive_mutex=false;"
"max_total_wal_size=4295005604;"
"compaction_readahead_size=0;"
"keep_log_file_num=4890;"
"skip_stats_update_on_db_open=false;"
"skip_checking_sst_file_sizes_on_db_open=false;"
"max_manifest_file_size=4295009941;"
"db_log_dir=path/to/db_log_dir;"
"writable_file_max_buffer_size=1048576;"
"paranoid_checks=true;"
"flush_verify_memtable_count=true;"
"compaction_verify_record_count=true;"
"track_and_verify_wals_in_manifest=true;"
"verify_sst_unique_id_in_manifest=true;"
"is_fd_close_on_exec=false;"
"bytes_per_sync=4295013613;"
"strict_bytes_per_sync=true;"
"enable_thread_tracking=false;"
"recycle_log_file_num=0;"
"create_missing_column_families=true;"
"log_file_time_to_roll=3097;"
"max_background_flushes=35;"
"create_if_missing=false;"
"error_if_exists=true;"
"delayed_write_rate=4294976214;"
"manifest_preallocation_size=1222;"
"allow_mmap_writes=false;"
"stats_dump_period_sec=70127;"
"stats_persist_period_sec=54321;"
"persist_stats_to_disk=true;"
"stats_history_buffer_size=14159;"
"allow_fallocate=true;"
"allow_mmap_reads=false;"
"use_direct_reads=false;"
"use_direct_io_for_flush_and_compaction=false;"
"max_log_file_size=4607;"
"random_access_max_buffer_size=1048576;"
"advise_random_on_open=true;"
"fail_if_options_file_error=false;"
"enable_pipelined_write=false;"
"unordered_write=false;"
"allow_concurrent_memtable_write=true;"
"wal_recovery_mode=kPointInTimeRecovery;"
"enable_write_thread_adaptive_yield=true;"
"write_thread_slow_yield_usec=5;"
"write_thread_max_yield_usec=1000;"
"access_hint_on_compaction_start=NONE;"
"info_log_level=DEBUG_LEVEL;"
"dump_malloc_stats=false;"
"allow_2pc=false;"
"avoid_flush_during_recovery=false;"
"avoid_flush_during_shutdown=false;"
"allow_ingest_behind=false;"
"concurrent_prepare=false;"
"two_write_queues=false;"
"manual_wal_flush=false;"
"wal_compression=kZSTD;"
"seq_per_batch=false;"
"atomic_flush=false;"
"avoid_unnecessary_blocking_io=false;"
"log_readahead_size=0;"
"write_dbid_to_manifest=false;"
"best_efforts_recovery=false;"
"max_bgerror_resume_count=2;"
"bgerror_resume_retry_interval=1000000;"
"db_host_id=hostname;"
"lowest_used_cache_tier=kNonVolatileBlockTier;"
"allow_data_in_errors=false;"
"enforce_single_del_contracts=false;"
"daily_offpeak_time_utc=08:30-19:00;",
new_options));
ASSERT_EQ(unset_bytes_base, NumUnsetBytes(new_options_ptr, sizeof(DBOptions),
kDBOptionsExcluded));
options->~DBOptions();
new_options->~DBOptions();
delete[] options_ptr;
delete[] new_options_ptr;
}
// status check adds CXX flag -fno-elide-constructors which fails this test.
#ifndef ROCKSDB_ASSERT_STATUS_CHECKED
// If the test fails, likely a new option is added to ColumnFamilyOptions
// but it cannot be set through GetColumnFamilyOptionsFromString(), or the
// test is not updated accordingly.
// After adding an option, we need to make sure it is settable by
// GetColumnFamilyOptionsFromString() and add the option to the input
// string passed to GetColumnFamilyOptionsFromString() in this test.
// If it is a complicated type, you also need to add the field to
// kColumnFamilyOptionsExcluded, and maybe add customized verification
// for it.
TEST_F(OptionsSettableTest, ColumnFamilyOptionsAllFieldsSettable) {
// options in the excluded set need to appear in the same order as in
// ColumnFamilyOptions.
const OffsetGap kColumnFamilyOptionsExcluded = {
{offsetof(struct ColumnFamilyOptions, inplace_callback),
sizeof(UpdateStatus(*)(char*, uint32_t*, Slice, std::string*))},
{offsetof(struct ColumnFamilyOptions,
memtable_insert_with_hint_prefix_extractor),
sizeof(std::shared_ptr<const SliceTransform>)},
{offsetof(struct ColumnFamilyOptions, compression_per_level),
sizeof(std::vector<CompressionType>)},
{offsetof(struct ColumnFamilyOptions,
max_bytes_for_level_multiplier_additional),
sizeof(std::vector<int>)},
{offsetof(struct ColumnFamilyOptions, compaction_options_fifo),
sizeof(struct CompactionOptionsFIFO)},
{offsetof(struct ColumnFamilyOptions, memtable_factory),
sizeof(std::shared_ptr<MemTableRepFactory>)},
{offsetof(struct ColumnFamilyOptions,
table_properties_collector_factories),
sizeof(ColumnFamilyOptions::TablePropertiesCollectorFactories)},
{offsetof(struct ColumnFamilyOptions, preclude_last_level_data_seconds),
sizeof(uint64_t)},
{offsetof(struct ColumnFamilyOptions, preserve_internal_time_seconds),
sizeof(uint64_t)},
{offsetof(struct ColumnFamilyOptions, blob_cache),
sizeof(std::shared_ptr<Cache>)},
{offsetof(struct ColumnFamilyOptions, comparator), sizeof(Comparator*)},
{offsetof(struct ColumnFamilyOptions, merge_operator),
sizeof(std::shared_ptr<MergeOperator>)},
{offsetof(struct ColumnFamilyOptions, compaction_filter),
sizeof(const CompactionFilter*)},
{offsetof(struct ColumnFamilyOptions, compaction_filter_factory),
sizeof(std::shared_ptr<CompactionFilterFactory>)},
{offsetof(struct ColumnFamilyOptions, prefix_extractor),
sizeof(std::shared_ptr<const SliceTransform>)},
{offsetof(struct ColumnFamilyOptions, snap_refresh_nanos),
sizeof(uint64_t)},
{offsetof(struct ColumnFamilyOptions, table_factory),
sizeof(std::shared_ptr<TableFactory>)},
{offsetof(struct ColumnFamilyOptions, cf_paths),
sizeof(std::vector<DbPath>)},
{offsetof(struct ColumnFamilyOptions, compaction_thread_limiter),
sizeof(std::shared_ptr<ConcurrentTaskLimiter>)},
{offsetof(struct ColumnFamilyOptions, sst_partitioner_factory),
sizeof(std::shared_ptr<SstPartitionerFactory>)},
};
char* options_ptr = new char[sizeof(ColumnFamilyOptions)];
// Count padding bytes by setting all bytes in the memory to a special char,
// copy a well constructed struct to this memory and see how many special
// bytes left.
FillWithSpecialChar(options_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded);
// Invoke a user-defined constructor in the hope that it does not overwrite
// padding bytes. Note that previously we relied on the implicitly-defined
// copy-assignment operator (i.e., `*options = ColumnFamilyOptions();`) here,
// which did in fact modify padding bytes.
ColumnFamilyOptions* options = new (options_ptr) ColumnFamilyOptions();
int unset_bytes_base = NumUnsetBytes(options_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded);
ASSERT_GT(unset_bytes_base, 0);
options->~ColumnFamilyOptions();
options = new (options_ptr) ColumnFamilyOptions();
FillWithSpecialChar(options_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded);
// Following options are not settable through
// GetColumnFamilyOptionsFromString():
options->compaction_options_universal = CompactionOptionsUniversal();
options->num_levels = 42; // Initialize options for MutableCF
options->compaction_filter = nullptr;
options->sst_partitioner_factory = nullptr;
char* new_options_ptr = new char[sizeof(ColumnFamilyOptions)];
ColumnFamilyOptions* new_options =
new (new_options_ptr) ColumnFamilyOptions();
FillWithSpecialChar(new_options_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded);
// Need to update the option string if a new option is added.
ConfigOptions config_options;
config_options.input_strings_escaped = false;
config_options.ignore_unknown_options = false;
ASSERT_OK(GetColumnFamilyOptionsFromString(
config_options, *options,
"compaction_filter_factory=mpudlojcujCompactionFilterFactory;"
"table_factory=PlainTable;"
"prefix_extractor=rocksdb.CappedPrefix.13;"
"comparator=leveldb.BytewiseComparator;"
"compression_per_level=kBZip2Compression:kBZip2Compression:"
"kBZip2Compression:kNoCompression:kZlibCompression:kBZip2Compression:"
"kSnappyCompression;"
"max_bytes_for_level_base=986;"
"bloom_locality=8016;"
"target_file_size_base=4294976376;"
"memtable_huge_page_size=2557;"
"max_successive_merges=5497;"
"max_sequential_skip_in_iterations=4294971408;"
"arena_block_size=1893;"
"target_file_size_multiplier=35;"
"min_write_buffer_number_to_merge=9;"
"max_write_buffer_number=84;"
"write_buffer_size=1653;"
"max_compaction_bytes=64;"
"ignore_max_compaction_bytes_for_input=true;"
"max_bytes_for_level_multiplier=60;"
"memtable_factory=SkipListFactory;"
"compression=kNoCompression;"
"compression_opts={max_dict_buffer_bytes=5;use_zstd_dict_trainer=true;"
"enabled=false;parallel_threads=6;zstd_max_train_bytes=7;strategy=8;max_"
"dict_bytes=9;level=10;window_bits=11;max_compressed_bytes_per_kb=987;"
"checksum=true};"
"bottommost_compression_opts={max_dict_buffer_bytes=4;use_zstd_dict_"
"trainer=true;enabled=true;parallel_threads=5;zstd_max_train_bytes=6;"
"strategy=7;max_dict_bytes=8;level=9;window_bits=10;max_compressed_bytes_"
"per_kb=876;checksum=true};"
"bottommost_compression=kDisableCompressionOption;"
"level0_stop_writes_trigger=33;"
"num_levels=99;"
"level0_slowdown_writes_trigger=22;"
"level0_file_num_compaction_trigger=14;"
"compaction_filter=urxcqstuwnCompactionFilter;"
"soft_pending_compaction_bytes_limit=0;"
"max_write_buffer_number_to_maintain=84;"
"max_write_buffer_size_to_maintain=2147483648;"
"merge_operator=aabcxehazrMergeOperator;"
"memtable_prefix_bloom_size_ratio=0.4642;"
"memtable_whole_key_filtering=true;"
"memtable_insert_with_hint_prefix_extractor=rocksdb.CappedPrefix.13;"
"check_flush_compaction_key_order=false;"
"paranoid_file_checks=true;"
"force_consistency_checks=true;"
"inplace_update_num_locks=7429;"
"experimental_mempurge_threshold=0.0001;"
"optimize_filters_for_hits=false;"
"level_compaction_dynamic_level_bytes=false;"
"level_compaction_dynamic_file_size=true;"
"inplace_update_support=false;"
"compaction_style=kCompactionStyleFIFO;"
"compaction_pri=kMinOverlappingRatio;"
"hard_pending_compaction_bytes_limit=0;"
"disable_auto_compactions=false;"
"report_bg_io_stats=true;"
"ttl=60;"
"periodic_compaction_seconds=3600;"
"sample_for_compression=0;"
"enable_blob_files=true;"
"min_blob_size=256;"
"blob_file_size=1000000;"
"blob_compression_type=kBZip2Compression;"
"enable_blob_garbage_collection=true;"
"blob_garbage_collection_age_cutoff=0.5;"
"blob_garbage_collection_force_threshold=0.75;"
"blob_compaction_readahead_size=262144;"
"blob_file_starting_level=1;"
"prepopulate_blob_cache=kDisable;"
"bottommost_temperature=kWarm;"
"last_level_temperature=kWarm;"
"default_temperature=kHot;"
"preclude_last_level_data_seconds=86400;"
"preserve_internal_time_seconds=86400;"
"compaction_options_fifo={max_table_files_size=3;allow_"
"compaction=true;age_for_warm=0;file_temperature_age_thresholds={{"
"temperature=kCold;age=12345}};};"
"blob_cache=1M;"
"memtable_protection_bytes_per_key=2;"
"persist_user_defined_timestamps=true;"
"block_protection_bytes_per_key=1;"
"memtable_max_range_deletions=999999;"
"bottommost_file_compaction_delay=7200;",
new_options));
ASSERT_NE(new_options->blob_cache.get(), nullptr);
ASSERT_EQ(unset_bytes_base,
NumUnsetBytes(new_options_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded));
// Custom verification since compaction_options_fifo was in
// kColumnFamilyOptionsExcluded
ASSERT_EQ(new_options->compaction_options_fifo.max_table_files_size, 3);
ASSERT_EQ(new_options->compaction_options_fifo.allow_compaction, true);
ASSERT_EQ(new_options->compaction_options_fifo.file_temperature_age_thresholds
.size(),
1);
ASSERT_EQ(
new_options->compaction_options_fifo.file_temperature_age_thresholds[0]
.temperature,
Temperature::kCold);
ASSERT_EQ(
new_options->compaction_options_fifo.file_temperature_age_thresholds[0]
.age,
12345);
ColumnFamilyOptions rnd_filled_options = *new_options;
options->~ColumnFamilyOptions();
new_options->~ColumnFamilyOptions();
delete[] options_ptr;
delete[] new_options_ptr;
// Test copying to mutabable and immutable options and copy back the mutable
// part.
const OffsetGap kMutableCFOptionsExcluded = {
{offsetof(struct MutableCFOptions, prefix_extractor),
sizeof(std::shared_ptr<const SliceTransform>)},
{offsetof(struct MutableCFOptions,
max_bytes_for_level_multiplier_additional),
sizeof(std::vector<int>)},
{offsetof(struct MutableCFOptions, compaction_options_fifo),
sizeof(struct CompactionOptionsFIFO)},
{offsetof(struct MutableCFOptions, compression_per_level),
sizeof(std::vector<CompressionType>)},
{offsetof(struct MutableCFOptions, max_file_size),
sizeof(std::vector<uint64_t>)},
};
// For all memory used for options, pre-fill every char. Otherwise, the
// padding bytes might be different so that byte-wise comparison doesn't
// general equal results even if objects are equal.
const char kMySpecialChar = 'x';
char* mcfo1_ptr = new char[sizeof(MutableCFOptions)];
FillWithSpecialChar(mcfo1_ptr, sizeof(MutableCFOptions),
kMutableCFOptionsExcluded, kMySpecialChar);
char* mcfo2_ptr = new char[sizeof(MutableCFOptions)];
FillWithSpecialChar(mcfo2_ptr, sizeof(MutableCFOptions),
kMutableCFOptionsExcluded, kMySpecialChar);
// A clean column family options is constructed after filling the same special
// char as the initial one. So that the padding bytes are the same.
char* cfo_clean_ptr = new char[sizeof(ColumnFamilyOptions)];
FillWithSpecialChar(cfo_clean_ptr, sizeof(ColumnFamilyOptions),
kColumnFamilyOptionsExcluded);
rnd_filled_options.num_levels = 66;
ColumnFamilyOptions* cfo_clean = new (cfo_clean_ptr) ColumnFamilyOptions();
MutableCFOptions* mcfo1 =
new (mcfo1_ptr) MutableCFOptions(rnd_filled_options);
ColumnFamilyOptions cfo_back = BuildColumnFamilyOptions(*cfo_clean, *mcfo1);
MutableCFOptions* mcfo2 = new (mcfo2_ptr) MutableCFOptions(cfo_back);
ASSERT_TRUE(CompareBytes(mcfo1_ptr, mcfo2_ptr, sizeof(MutableCFOptions),
kMutableCFOptionsExcluded));
cfo_clean->~ColumnFamilyOptions();
mcfo1->~MutableCFOptions();
mcfo2->~MutableCFOptions();
delete[] mcfo1_ptr;
delete[] mcfo2_ptr;
delete[] cfo_clean_ptr;
}
#endif // !ROCKSDB_ASSERT_STATUS_CHECKED
#endif // !ROCKSDB_UBSAN_RUN
#endif // !__clang__
#endif // OS_LINUX || OS_WIN
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
#ifdef GFLAGS
ParseCommandLineFlags(&argc, &argv, true);
#endif // GFLAGS
return RUN_ALL_TESTS();
}
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