CONFIGRead or change server configuration parameters.
| 语法 | CONFIG GET parameter | SET parameter value | REWRITE | RESETSTAT |
| 分组 | server |
| 参数个数 | -2 |
| 起始版本 | 1.0.0 |
| 标志 | write, admin |
| 复杂度 | GET: O(patterns * 16). SET: O(1) plus one config swap that shards pick up on their next tick. REWRITE: O(config file size) |
| Redis 兼容性 | differs: 16 Redis-named parameters exist; only maxmemory, maxmemory-policy, appendfsync, the auto-rewrite pair, hz, maxmemory-samples, loglevel and logfile are hot-settable — bind, port, io-threads, dir and appendonly error at runtime; RESETSTAT is a no-op |