| BytesPerSync | 524288 | Bytes written per sync |
| DisableWAL | Storage service:false,cache service:true | Whether to disable WAL |
| MemTableSize | 268435456~536870912 | Single memtable size |
| MemTableStopWritesThreshold | 8 | Writes are stopped when filled memtable number exceeds MemTableStopWritesThreshold |
| Id | - | DB ID |
| Verbose | true | Whether to output Event log details |
| LogTag | - | Log Tag |
| DataType | - | DB type definition |
| CompressionType | 0 | Bithash compression, 0=no compression 1=snappy compression |
| DeleteFileInternal | 4 | Deletion interval of invalid files, unit: seconds |
| UseBithash | true | Whether to enable Bithash |
| UseBitable | false | Whether to enable Bitalostable, set false for regular clusters |
| AutoCompact | true | Whether to enable auto compact for Bithash |
| CompactInfo | - | Compact control parameters, including start/end time/interval/proportion of invalid data |
| CacheSize | 0 | Cache size, set to 0 to disable cache |
| CacheType | 1 | Cache type, 1=lru 2=lfu |
| CacheShards | 36 | Number of cache shards |
| CacheHashSize | - | Initial size of hashmap in cache |
| UseMapIndex | true | Whether to use accelerated indexing |
| UsePrefixCompress | true | Whether to enable Bitpage prefix compression |
| UseBlockCompress | false | Whether to enable Bitpage block compression，suggest to set true for storing huge small values |
| FlushReporter | - | Callback for memtable flushing, set nil for regular clusters |
| KeyHashFunc | - | Callback for calculating key hash |
| KvCheckExpireFunc | - | Callback to check whether key has expired |
| KvTimestampFunc | - | Callback to get key expiration time |
| IOWriteLoadThresholdFunc | - | Callback for IO control, controls whether files can be deleted to reduce IO pressure, true=allowed, false=disabled |
