Redis Cluster – CLUSTER COUNTKEYSINSLOT命令

2020年8月9日19:28:14 评论 58

CLUSTER COUNTKEYSINSLOT slot

起始版本：3.0.0

时间复杂度：O(1)

返回连接节点负责的指定hash slot的key的数量。该命令只查询连接节点的数据集，所以如果连接节点指派到该hash slot会返回0。

> CLUSTER COUNTKEYSINSLOT 7000
(integer) 50341

Integer reply: 返回连接节点负责的指定hash slot的key的数量, 如果hash slot不合法则返回错误

Cluster相关命令：

命令组	命令
Cluster（集群）	CLUSTER ADDSLOTS; CLUSTER COUNT-FAILURE-REPORTS; CLUSTER COUNTKEYSINSLOT; CLUSTER DELSLOTS; CLUSTER FAILOVER; CLUSTER FORGET; CLUSTER GETKEYSINSLOT; CLUSTER INFO; CLUSTER KEYSLOT; CLUSTER MEET; CLUSTER NODES; CLUSTER REPLICAS; CLUSTER REPLICATE; CLUSTER RESET; CLUSTER SAVECONFIG; CLUSTER SET-CONFIG-EPOCH; CLUSTER SETSLOT; CLUSTER SLAVES; CLUSTER SLOTS; READONLY; READWRITE;