华夏棋牌

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Cluster cluster addslots(集群 槽位) cluster count failure reports(集群计数掉落败申报) cluster countkeysinslot cluster delslots cluster failover cluster forget cluster getkeysinslot cluster info cluster keyslot(集群键槽) cluster meet cluster nodes(集群节点) cluster replicate(集群复制) cluster reset(集群重置) cluster saveconfig cluster set config epoch cluster setslot cluster slaves cluster slots readonly readwrite Connection auth echo ping quit select swapdb Geo geoadd geodist geohash geopos georadius georadiusbymember Hashes hdel hexists hget hgetall hincrby hincrbyfloat hkeys hlen hmget hmset hscan hset hsetnx hstrlen hvals HyperLogLog pfadd pfcount pfmerge Keys del dump exists expire expireat keys migrate move object persist pexpire pexpireat pttl randomkey rename renamenx restore scan sort touch ttl type unlink wait Lists blpop brpop brpoplpush lindex linsert llen lpop lpush lpushx lrange lrem lset ltrim rpop rpoplpush rpush rpushx Pub/Sub psubscribe publish pubsub punsubscribe subscribe unsubscribe Scripting eval evalsha script debug script exists script flush script kill script load Server bgrewriteaof bgsave client getname client kill client list client pause client reply client setname command command count command getkeys command info config get config resetstat config rewrite config set dbsize debug object debug segfault flushall flushdb info lastsave monitor role save shutdown slaveof slowlog time Sets sadd scard sdiff sdiffstore sinter sinterstore sismember smembers smove spop srandmember srem sscan sunion sunionstore Sorted Sets zadd zcard zcount zincrby zinterstore zlexcount zrange zrangebylex zrangebyscore zrank zrem zremrangebylex zremrangebyrank zremrangebyscore zrevrange zrevrangebylex zrevrangebyscore zrevrank zscan zscore zunionstore Strings append bitcount bitfield bitop bitpos decr decrby get getbit getrange getset incr incrby incrbyfloat mget mset msetnx psetex set setbit setex setnx setrange strlen Transactions discard exec multi unwatch watch
文字

READONLY

自3.0.0起可用。

时间严重年夜度: O(1)

华夏棋牌启用读取查询以毗连到 Redis 群集隶属节点。

通常,隶属节点会将客户端重定向到授权主服务器以取得给天敕令中触及的散列槽,但客户端可以应用从服务器来应用 READONLY 敕令来扩年夜读取。

READONLY 告诉 Redis 集群从节点客户机宁愿读取能够过时的数据,而且对运转写查询不感兴趣。

华夏棋牌当毗连处于只读形式时,只需当操作触及隶属主节点未供应的密钥时,群集才会向客户端发送重定向。这能够是由于:

华夏棋牌1. 客户端发送了一个关于散列槽的敕令,散列槽向来没有被这个从装备的主装备所服务

2. 该集群已重新装备(例如重新绑定),隶属服务器不再能够为给定的哈希槽供应敕令。

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