redis哨兵集群配置


redis 集群架構圖:

 

需要先配置redis主從,我這邊是單機部署的。

采用一主一從,兩個sentinel。

redis host: 172.31.11.235

redis-master port: 6380  sentinel1: 26380

redis-slave port: 6381 sentinel2: 26381

redis master redis.conf中添加:

masterauth "xxxx"
requirepass "xxxx"

redis slave redis.conf中添加:

masterauth "xxxx"
requirepass "xxxx"

slaveof 172.31.11.235 6380

redis sentinel1配置:

bind 172.31.11.235
port 26380
daemonize yes
logfile "/usr/local/redis-4.0.9/sentinel.log.26380"

#master1
# 哨兵監控這個master,在至少1個哨兵實例都認為master down后把master標記為odown
sentinel monitor master1 172.31.11.235 6380 1
#多少毫秒后,sentinel 認定redis master 服務器已掉線
sentinel down-after-milliseconds master1 5000 # 若sentinel在該配置值內未能完成failover操作(即故障時master/slave自動切換),則認為本次failover失敗 sentinel failover-timeout master1 10000 #sentinel can-failover master1 yes sentinel parallel-syncs master1 2 # Generated by CONFIG REWRITE dir "/usr/local/redis-4.0.9" sentinel auth-pass master1 xxxxx

redis sentinel2配置:

bind 172.31.11.235
port 26381
daemonize yes
logfile "/usr/local/redis-4.0.9/sentinel.log.26381"

#master1
sentinel monitor master1 172.31.11.235 6380 1
sentinel down-after-milliseconds master1 5000 # Generated by CONFIG REWRITE dir "/usr/local/redis-4.0.9" sentinel failover-timeout master1 10000 sentinel auth-pass master1 xxxxx

分別啟動 redis-master、redis-slave 和兩個哨兵。

redis-server conf/redis.conf.6380 &

redis-server conf/redis.conf.6381 &

redis-sentinel  sentinel.conf.26380 &

redis-sentinel  sentinel.conf.26381 &

故障演練:

關閉 redis-master,查看master地址

可以看到主節點已正常完成切換,配置完成。

 

參考鏈接:http://www.yunweipai.com/archives/20444.html


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