1  # This is a RocksDB option file.
  2  #
  3  # For detailed file format spec, please refer to the example file
  4  # in examples/rocksdb_option_file_example.ini
  5  #
  6  
  7  [Version]
  8    rocksdb_version=8.3.2
  9    options_file_version=1.1
 10  
 11  [DBOptions]
 12    compaction_readahead_size=0
 13    strict_bytes_per_sync=false
 14    bytes_per_sync=0
 15    max_background_jobs=2
 16    avoid_flush_during_shutdown=false
 17    max_background_flushes=-1
 18    delayed_write_rate=16777216
 19    max_open_files=-1
 20    max_subcompactions=1
 21    writable_file_max_buffer_size=1048576
 22    wal_bytes_per_sync=0
 23    max_background_compactions=-1
 24    max_total_wal_size=0
 25    delete_obsolete_files_period_micros=21600000000
 26    stats_dump_period_sec=600
 27    stats_history_buffer_size=1048576
 28    stats_persist_period_sec=600
 29    enforce_single_del_contracts=true
 30    lowest_used_cache_tier=kNonVolatileBlockTier
 31    bgerror_resume_retry_interval=1000000
 32    best_efforts_recovery=false
 33    log_readahead_size=0
 34    write_dbid_to_manifest=false
 35    wal_compression=kNoCompression
 36    manual_wal_flush=false
 37    db_host_id=__hostname__
 38    two_write_queues=false
 39    random_access_max_buffer_size=1048576
 40    avoid_unnecessary_blocking_io=false
 41    skip_checking_sst_file_sizes_on_db_open=false
 42    flush_verify_memtable_count=true
 43    fail_if_options_file_error=false
 44    atomic_flush=false
 45    verify_sst_unique_id_in_manifest=true
 46    skip_stats_update_on_db_open=false
 47    track_and_verify_wals_in_manifest=false
 48    paranoid_checks=true
 49    create_if_missing=true
 50    max_write_batch_group_size_bytes=1048576
 51    avoid_flush_during_recovery=false
 52    file_checksum_gen_factory=nullptr
 53    enable_thread_tracking=false
 54    allow_fallocate=true
 55    allow_data_in_errors=false
 56    error_if_exists=false
 57    use_direct_io_for_flush_and_compaction=false
 58    create_missing_column_families=false
 59    WAL_size_limit_MB=0
 60    use_direct_reads=false
 61    persist_stats_to_disk=false
 62    allow_mmap_reads=false
 63    allow_mmap_writes=false
 64    use_adaptive_mutex=false
 65    allow_2pc=false
 66    is_fd_close_on_exec=true
 67    max_log_file_size=0
 68    access_hint_on_compaction_start=NORMAL
 69    max_file_opening_threads=16
 70    wal_filter=nullptr
 71    use_fsync=false
 72    table_cache_numshardbits=6
 73    dump_malloc_stats=false
 74    db_write_buffer_size=0
 75    allow_ingest_behind=false
 76    keep_log_file_num=1000
 77    max_bgerror_resume_count=2147483647
 78    allow_concurrent_memtable_write=true
 79    recycle_log_file_num=0
 80    log_file_time_to_roll=0
 81    manifest_preallocation_size=4194304
 82    enable_write_thread_adaptive_yield=true
 83    WAL_ttl_seconds=0
 84    max_manifest_file_size=1073741824
 85    wal_recovery_mode=kPointInTimeRecovery
 86    enable_pipelined_write=false
 87    write_thread_slow_yield_usec=3
 88    unordered_write=false
 89    write_thread_max_yield_usec=100
 90    advise_random_on_open=true
 91    info_log_level=INFO_LEVEL
 92    
 93  
 94  [CFOptions "default"]
 95    compression_opts={max_dict_buffer_bytes=0;enabled=false;max_dict_bytes=0;max_compressed_bytes_per_kb=896;parallel_threads=1;zstd_max_train_bytes=0;level=32767;use_zstd_dict_trainer=true;strategy=0;window_bits=-14;}
 96    block_protection_bytes_per_key=0
 97    memtable_protection_bytes_per_key=0
 98    target_file_size_multiplier=1
 99    report_bg_io_stats=false
100    write_buffer_size=67108864
101    memtable_huge_page_size=0
102    max_successive_merges=0
103    max_write_buffer_number=2
104    prefix_extractor=nullptr
105    bottommost_compression_opts={max_dict_buffer_bytes=0;enabled=false;max_dict_bytes=0;max_compressed_bytes_per_kb=896;parallel_threads=1;zstd_max_train_bytes=0;level=32767;use_zstd_dict_trainer=true;strategy=0;window_bits=-14;}
106    paranoid_file_checks=false
107    blob_garbage_collection_force_threshold=1.000000
108    enable_blob_files=false
109    blob_file_starting_level=0
110    memtable_prefix_bloom_size_ratio=0.000000
111    inplace_update_num_locks=10000
112    blob_compaction_readahead_size=0
113    ignore_max_compaction_bytes_for_input=true
114    arena_block_size=1048576
115    level0_stop_writes_trigger=36
116    blob_compression_type=kNoCompression
117    level0_slowdown_writes_trigger=20
118    hard_pending_compaction_bytes_limit=274877906944
119    soft_pending_compaction_bytes_limit=68719476736
120    target_file_size_base=67108864
121    level0_file_num_compaction_trigger=4
122    max_compaction_bytes=1677721600
123    disable_auto_compactions=false
124    check_flush_compaction_key_order=true
125    min_blob_size=0
126    memtable_whole_key_filtering=false
127    max_bytes_for_level_base=268435456
128    last_level_temperature=kUnknown
129    compaction_options_fifo={file_temperature_age_thresholds=;allow_compaction=false;age_for_warm=0;max_table_files_size=1073741824;}
130    max_bytes_for_level_multiplier=10.000000
131    max_bytes_for_level_multiplier_additional=1:1:1:1:1:1:1
132    max_sequential_skip_in_iterations=8
133    prepopulate_blob_cache=kDisable
134    compression=kSnappyCompression
135    compaction_options_universal={incremental=false;compression_size_percent=-1;allow_trivial_move=false;max_size_amplification_percent=200;max_merge_width=4294967295;stop_style=kCompactionStopStyleTotalSize;min_merge_width=2;size_ratio=1;}
136    blob_garbage_collection_age_cutoff=0.250000
137    ttl=2592000
138    periodic_compaction_seconds=0
139    sample_for_compression=0
140    blob_file_size=268435456
141    enable_blob_garbage_collection=false
142    experimental_mempurge_threshold=0.000000
143    bottommost_compression=kDisableCompressionOption
144    persist_user_defined_timestamps=true
145    min_write_buffer_number_to_merge=1
146    preserve_internal_time_seconds=0
147    preclude_last_level_data_seconds=0
148    sst_partitioner_factory=nullptr
149    num_levels=7
150    force_consistency_checks=true
151    memtable_insert_with_hint_prefix_extractor=nullptr
152    memtable_factory=SkipListFactory
153    level_compaction_dynamic_file_size=true
154    max_write_buffer_number_to_maintain=0
155    optimize_filters_for_hits=false
156    level_compaction_dynamic_level_bytes=false
157    compaction_style=kCompactionStyleLevel
158    compaction_filter=nullptr
159    inplace_update_support=false
160    merge_operator=nullptr
161    table_factory=BlockBasedTable
162    bloom_locality=0
163    comparator=leveldb.BytewiseComparator
164    compaction_filter_factory=nullptr
165    max_write_buffer_size_to_maintain=134217728
166    compaction_pri=kMinOverlappingRatio
167    
168  [TableOptions/BlockBasedTable "default"]
169    initial_auto_readahead_size=8192
170    pin_top_level_index_and_filter=true
171    block_align=false
172    block_size_deviation=10
173    checksum=kXXH3
174    index_shortening=kShortenSeparators
175    num_file_reads_for_auto_readahead=2
176    whole_key_filtering=true
177    data_block_index_type=kDataBlockBinarySearch
178    index_type=kBinarySearch
179    no_block_cache=false
180    index_block_restart_interval=1
181    data_block_hash_table_util_ratio=0.750000
182    prepopulate_block_cache=kDisable
183    pin_l0_filter_and_index_blocks_in_cache=false
184    filter_policy=nullptr
185    cache_index_and_filter_blocks_with_high_priority=true
186    verify_compression=false
187    block_restart_interval=16
188    max_auto_readahead_size=262144
189    flush_block_policy_factory=FlushBlockBySizePolicyFactory
190    partition_filters=false
191    cache_index_and_filter_blocks=false
192    block_size=4096
193    metadata_block_size=4096
194    optimize_filters_for_memory=false
195    detect_filter_construct_corruption=false
196    format_version=5
197    metadata_cache_options={unpartitioned_pinning=kFallback;partition_pinning=kFallback;top_level_index_pinning=kFallback;}
198    read_amp_bytes_per_bit=0
199    enable_index_compression=true
200