Redis Cluster Deployment--instances

1 Installation Environment

jdk1.8.0 Redis 3.0.6

Dual-Machine master-slave, 192.168.1.5 Master 192.168.1.6 from

Do a Redis cache server with Sentinel monitoring redis for HA

2 installation Configuration

Install the JDK environment first (please adjust the environment yourself)

Install Redis-master and Redis-slave separately

Yum Install-y Redis

Configuring Redis-master 192.168.1.5

Vim/etc/redis.conf

Daemonize Yes

Pidfile/var/run/redis/redis.pid

Port 6379

Bind 192.168.1.5

Logfile/var/log/redis/redis.log

MaxMemory 2165625 #内存2G

Maxmemory-policy Volatile-lru #内存紧张时用lru算法清除数据

AppendOnly Yes #开启AOF持久化

Appendfilename appendonly.aof

Appendfsync everysec #每秒钟写一次磁盘

No-appendfsync-on-rewrite Yes #日志重写, do not append command

Auto-aof-rewrite-percentage #AOF超过一定大小, auto start new rewrite

Auto-aof-rewrite-min-size 64MB #启动新重写的最小值

Vim/etc/redis-sentinel.conf

Port 26379

Sentinel Monitor MyMaster 192.168.1.5 6379 1 #指定要监控的机器

Sentinel Down-after-milliseconds MyMaster #判断down机时间5秒

Sentinel Failover-timeout MyMaster 60000 #故障转移时间1分钟

Sentinel Parallel-syncs MyMaster 1 #通过slave确认宕机

Configuring Redis-slave 192.168.1.6

Vim/etc/redis.conf

Daemonize Yes

Pidfile/var/run/redis/redis.pid

Port 6379

Bind 192.168.1.6

Slaveof 192.168.1.5 6379

LogLevel Notice

Logfile/var/log/redis/redis.log

MaxMemory 2165625

Maxmemory-policy VOLATILE-LRU

AppendOnly Yes

Appendfilename appendonly.aof

Appendfsync everysec

No-appendfsync-on-rewrite Yes

Auto-aof-rewrite-percentage 100

Auto-aof-rewrite-min-size 64MB

Vim/etc/redis-sentinel.conf

Port 26379

Sentinel Monitor MyMaster 192.168.1.5 6379 1

Sentinel Down-after-milliseconds MyMaster 5000

Sentinel Failover-timeout MyMaster 60000

Sentinel Parallel-syncs MyMaster 1

Start Redis

/usr/bin/redis-server/etc/redis.conf Guthrie after the

Then launch Sentinel.

/usr/bin/redis-sentinel/etc/redis-sentinel.conf Guthrie after the

Testing a Redis Cluster

Login redis-master192.168.1.5

/usr/bin/redis-cli-h 192.168.1.5-p 6379 into the client command

192.168.1.5:6379 >set Test 123456

Ok

192.168.1.5:6379 >get Test

"123456"

Boarded slave to do the same test

Stop Redis Service (note the sequencing)

Stop Sentinel Service First

Ps-ef |grep Sentinel

Kill-9 PID

Then stop slave.

192.168.1.6:6379 >shutdown

Finally Stop master

192.168.1.5:6379 >shutdown

Complete

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Redis Cluster Deployment--instances