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=8.10.0
  9    options_file_version=1.1
 10  
 11  [DBOptions]
 12    compaction_readahead_size=2097152
 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=true
 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    compaction_verify_record_count=true
 49    paranoid_checks=true
 50    create_if_missing=true
 51    max_write_batch_group_size_bytes=1048576
 52    avoid_flush_during_recovery=false
 53    file_checksum_gen_factory=nullptr
 54    enable_thread_tracking=false
 55    allow_fallocate=true
 56    allow_data_in_errors=false
 57    error_if_exists=false
 58    use_direct_io_for_flush_and_compaction=false
 59    create_missing_column_families=false
 60    WAL_size_limit_MB=0
 61    use_direct_reads=false
 62    persist_stats_to_disk=false
 63    allow_2pc=false
 64    is_fd_close_on_exec=true
 65    max_log_file_size=0
 66    access_hint_on_compaction_start=NORMAL
 67    max_file_opening_threads=16
 68    wal_filter=nullptr
 69    allow_mmap_reads=false
 70    allow_mmap_writes=false
 71    use_adaptive_mutex=false
 72    use_fsync=false
 73    table_cache_numshardbits=6
 74    dump_malloc_stats=false
 75    db_write_buffer_size=0
 76    allow_ingest_behind=false
 77    keep_log_file_num=1000
 78    max_bgerror_resume_count=2147483647
 79    allow_concurrent_memtable_write=true
 80    recycle_log_file_num=0
 81    log_file_time_to_roll=0
 82    manifest_preallocation_size=4194304
 83    enable_write_thread_adaptive_yield=true
 84    WAL_ttl_seconds=0
 85    max_manifest_file_size=1073741824
 86    wal_recovery_mode=kPointInTimeRecovery
 87    enable_pipelined_write=false
 88    write_thread_slow_yield_usec=3
 89    unordered_write=false
 90    write_thread_max_yield_usec=100
 91    advise_random_on_open=true
 92    info_log_level=INFO_LEVEL
 93    
 94  
 95  [CFOptions "default"]
 96    memtable_max_range_deletions=0
 97    compression_opts={checksum=false;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;}
 98    block_protection_bytes_per_key=0
 99    bottommost_file_compaction_delay=0
100    memtable_protection_bytes_per_key=0
101    target_file_size_multiplier=1
102    report_bg_io_stats=false
103    write_buffer_size=67108864
104    memtable_huge_page_size=0
105    max_successive_merges=0
106    max_write_buffer_number=2
107    prefix_extractor=nullptr
108    bottommost_compression_opts={checksum=false;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;}
109    paranoid_file_checks=false
110    blob_garbage_collection_force_threshold=1.000000
111    enable_blob_files=false
112    blob_file_starting_level=0
113    memtable_prefix_bloom_size_ratio=0.000000
114    inplace_update_num_locks=10000
115    blob_compaction_readahead_size=0
116    ignore_max_compaction_bytes_for_input=true
117    arena_block_size=1048576
118    level0_stop_writes_trigger=36
119    blob_compression_type=kNoCompression
120    level0_slowdown_writes_trigger=20
121    hard_pending_compaction_bytes_limit=274877906944
122    soft_pending_compaction_bytes_limit=68719476736
123    target_file_size_base=67108864
124    level0_file_num_compaction_trigger=4
125    max_compaction_bytes=1677721600
126    disable_auto_compactions=false
127    check_flush_compaction_key_order=true
128    min_blob_size=0
129    memtable_whole_key_filtering=false
130    max_bytes_for_level_base=268435456
131    last_level_temperature=kUnknown
132    compaction_options_fifo={file_temperature_age_thresholds=;allow_compaction=false;age_for_warm=0;max_table_files_size=1073741824;}
133    max_bytes_for_level_multiplier=10.000000
134    max_bytes_for_level_multiplier_additional=1:1:1:1:1:1:1
135    max_sequential_skip_in_iterations=8
136    prepopulate_blob_cache=kDisable
137    compression=kSnappyCompression
138    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;}
139    blob_garbage_collection_age_cutoff=0.250000
140    ttl=2592000
141    periodic_compaction_seconds=0
142    sample_for_compression=0
143    blob_file_size=268435456
144    enable_blob_garbage_collection=false
145    experimental_mempurge_threshold=0.000000
146    bottommost_compression=kDisableCompressionOption
147    persist_user_defined_timestamps=true
148    preserve_internal_time_seconds=0
149    preclude_last_level_data_seconds=0
150    sst_partitioner_factory=nullptr
151    num_levels=7
152    force_consistency_checks=true
153    memtable_insert_with_hint_prefix_extractor=nullptr
154    memtable_factory=SkipListFactory
155    compaction_pri=kMinOverlappingRatio
156    max_write_buffer_size_to_maintain=134217728
157    level_compaction_dynamic_file_size=true
158    max_write_buffer_number_to_maintain=0
159    optimize_filters_for_hits=false
160    level_compaction_dynamic_level_bytes=true
161    default_temperature=kUnknown
162    inplace_update_support=false
163    merge_operator=nullptr
164    table_factory=BlockBasedTable
165    min_write_buffer_number_to_merge=1
166    compaction_filter=nullptr
167    compaction_style=kCompactionStyleLevel
168    bloom_locality=0
169    comparator=leveldb.BytewiseComparator
170    compaction_filter_factory=nullptr
171    
172  [TableOptions/BlockBasedTable "default"]
173    initial_auto_readahead_size=8192
174    pin_top_level_index_and_filter=true
175    block_align=false
176    block_size_deviation=10
177    checksum=kXXH3
178    index_shortening=kShortenSeparators
179    num_file_reads_for_auto_readahead=2
180    whole_key_filtering=true
181    data_block_index_type=kDataBlockBinarySearch
182    index_type=kBinarySearch
183    no_block_cache=false
184    index_block_restart_interval=1
185    data_block_hash_table_util_ratio=0.750000
186    prepopulate_block_cache=kDisable
187    pin_l0_filter_and_index_blocks_in_cache=false
188    filter_policy=nullptr
189    cache_index_and_filter_blocks_with_high_priority=true
190    verify_compression=false
191    block_restart_interval=16
192    max_auto_readahead_size=262144
193    flush_block_policy_factory=FlushBlockBySizePolicyFactory
194    partition_filters=false
195    cache_index_and_filter_blocks=false
196    block_size=4096
197    metadata_block_size=4096
198    optimize_filters_for_memory=false
199    detect_filter_construct_corruption=false
200    format_version=5
201    metadata_cache_options={unpartitioned_pinning=kFallback;partition_pinning=kFallback;top_level_index_pinning=kFallback;}
202    read_amp_bytes_per_bit=0
203    enable_index_compression=true
204