XGROUPManage stream consumer groups.
| 语法 | XGROUP CREATE key group id|$ [MKSTREAM] [ENTRIESREAD entries-read] | DESTROY key group | SETID key group id|$ [ENTRIESREAD entries-read] | CREATECONSUMER key group consumer | DELCONSUMER key group consumer | HELP |
| 分组 | stream |
| 参数个数 | -2 |
| 起始版本 | 1.0.0 |
| 标志 | write |
| 复杂度 | CREATE / DESTROY: O(1) plus an O(N*F) reweigh. SETID / CREATECONSUMER: O(1). DELCONSUMER: O(P) |
| Redis 兼容性 | full |