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SLAVEOF host port

相关命令

• BGREWRITEAOF
• BGSAVE
• CLIENT GETNAME
• CLIENT KILL
• CLIENT LIST
• CLIENT PAUSE
• CLIENT SETNAME
• CLUSTER SLOTS
• 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
• SYNC
• TIME

始于1.0.0可用。

The SLAVEOF command can change the replication settings of a slave on the fly. If a Redis server is already acting as slave, the command SLAVEOF NO ONE will turn off the replication, turning the Redis server into a MASTER. In the proper form SLAVEOF hostname port will make the server a slave of another server listening at the specified hostname and port.

If a server is already a slave of some master, SLAVEOF hostname port will stop the replication against the old server and start the synchronization against the new one, discarding the old dataset.

The form SLAVEOF NO ONE will stop replication, turning the server into a MASTER, but will not discard the replication. So, if the old master stops working, it is possible to turn the slave into a master and set the application to use this new master in read/write. Later when the other Redis server is fixed, it can be reconfigured to work as a slave.

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