Redis哨兵安装步骤redis
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以前的redis6379.conf的配置不变,作为主节占,而且复制出两个配置文件redis6380.conf, redis6381.conf,这两个配置文件启动后的redis作为6379节点的从节点。:测试
注意:redis6380.conf和redis6381.conf 加上slaveof 127.0.0.1 6379ui
修改 requirepass 12345678 ,注释掉bind 127.0.0.1, 加上masterauth 12345678spa
redis sentinel哨兵机制配置(也是3个节点):.net
/usr/local/bin/conf/sentinel_26379.conf 日志
/usr/local/bin/conf/sentinel_26380.confserver
/usr/local/bin/conf/sentinel_26381.conf进程
将三个文件的端口改为: 26379 26380 26381资源
而后:sentinel monitor mymaster 127.0.0.1 6379 2 //监听主节点6379
sentinel auth-pass mymaster 12345678 //链接主节点时的密码
三个配置除端口外,其它同样。
启动sentinel服务:
./redis-sentinel conf/sentinel_26379.conf &
./redis-sentinel conf/sentinel_26380.conf &
./redis-sentinel conf/sentinel_26381.conf &
杀掉进程
ps -ef|grep redis-server |grep 6379 | grep -v grep | awk '{print $2}' | xargs kill -9
ps -ef|grep redis-server |grep 6380 | grep -v grep | awk '{print $2}' | xargs kill -9
ps -ef|grep redis-server |grep 6381 | grep -v grep | awk '{print $2}' | xargs kill -9
ps -ef|grep redis-sentinel |grep 26379 | grep -v grep | awk '{print $2}' | xargs kill -9
ps -ef|grep redis-sentinel |grep 26380 | grep -v grep | awk '{print $2}' | xargs kill -9
ps -ef|grep redis-sentinel |grep 26381 | grep -v grep | awk '{print $2}' | xargs kill -9
启动进程
../redis-server redis6379.conf &
../redis-server redis6380.conf &
../redis-server redis6381.conf &
../redis-sentinel sentinel_26379.conf &
../redis-sentinel sentinel_26380.conf &
../redis-sentinel sentinel_26381.conf &
测试:
kill -9 6379 杀掉6379的redis服务
看日志是分配6380 仍是6381作为主节点,当6379服务再启动时,已变成从节点
若是6380升级为主节点:进入6380>info replication 能够看到role:master
打开sentinel_26379.conf等三个配置,sentinel monitor mymaster 127.0.0.1 6380 2
外部应用链接sentinel时, sentinel.conf的protected-mode no改为no
./redis-cli -p 26380 shutdown //关闭