cluster相关操作

https://segmentfault.com/a/1190000014499174
//docker搭建cluster环境教程
https://zhuanlan.zhihu.com/p/455651071?utm_id=0

设置主从
redis-cli -a 123456 -h 120.78.64.28 -p 7008 cluster replicate aae2b69b630b6cfe633b928d39cef8c5cbe90c40
分配虚拟槽 , 槽必须数据为空才能移动
redis-cli -h 120.78.64.28 -p 7001 -a 123456 cluster addslots {0..5461}

redis-cli -h 120.78.64.28 -p 7002 -a 123456 cluster addslots {5462..10922}

redis-cli -h 120.78.64.28 -p 7003 -a 123456 cluster addslots {10923..16383}

./redis-trib.rb create --replicas 1 120.78.64.28:7001 120.78.64.28:7002 120.78.64.28:7003 120.78.64.28:7005 120.78.64.28:7006 120.78.64.28:7007

./redis-trib.rb del-node 120.78.64.28:7001 b6783f06b05fb59b95d36cada74dcd3a1b91d2ed

./redis-trib.rb add-node 120.78.64.28:7004 120.78.64.28:7001

./redis-trib.rb reshard 120.78.64.28:7001 --from all --to 71a0418e82f30a24b0bb161cb1da1f742c1bfffa --slots 10 --yes