(1)想知道,哪些端口的节点是master,哪些端口的节点是slave,可以用下面的命令:
./redis-trib.rb check 127.0.0.1:6379
(2)[ERR] Nodes don't agree about configuration!
>>> Check for open slots...
[WARNING] Node 192.168.249.230:7001 has slots in importing state (4658).
[WARNING] The following slots are open: 4658
>>> Check slots coverage...
修复方法:redis-trib.rb fix 192.168.249.230:7001
(3)关闭redis
redis-cli -p 6379 shutdown
(4)连接命令
./redis-cli -c -h 172.23.31.196 -p 6379
(5)启动集群,前三台是主,后三台是从。 请把172.23.31.196、172.23.31.197、172.23.31.198替换为具体的服务器IP。
./redis-trib.rb create --replicas 1 172.23.31.196:6379 172.23.31.197:6379 172.23.31.198:6379 172.23.31.196:6380 172.23.31.197:6380 172.23.31.198:6380
(6)查看redis服务信息
redis-cli -h localhost -p 6380 info
提供host为localhost,端口为6380,redis服务的统计信息
(7)内存分析工具
https://rdbtools.com/docs/install/windows/
源码:https://github.com/sripathikrishnan/redis-rdb-tools
(8)性能延迟分析