说明:redis安装前两篇文章有介绍，就不再赘述
1、环境配置
第一：准备3台服务器，一台master ，两台 slave
第二：每台服务器安装redis版本保持一致
2、Redis主从复制配置
192.168.199.11配置(主)
port 6379
loglevel notice
pidfile /var/run/redis_6379.pid
save 9 1
save 300 10
save 60 10000
daemonize yes
timeout 300
databases 16
logfile "/usr/local/redis/log/redis.log"
rdbcompression yes
dbfilename dump.rdb
dir /usr/local/redis/data
maxclients 50000
maxmemory 4GB
stop-writes-on-bgsave-error yes
appendonly no
#appendfilename "appendonly.aof"
#appendfsync everysec
#appendfsync everysec
activerehashing yes
#vw-enabled yes
#repliaction
masterauth 123456
requirepass 123456
第二：进入 199.12和199.13的服务器的redis配置文件目录下
192.168.199.12和192.168.199.13配置(从)
port 6379
loglevel notice
pidfile /var/run/redis_6379.pid
save 9 1
save 300 10
save 60 10000
daemonize yes
timeout 300
databases 16
logfile "/usr/local/redis/log/redis.log"
rdbcompression yes
dbfilename dump.rdb
dir /usr/local/redis/data
maxclients 50000
maxmemory 4GB
stop-writes-on-bgsave-error yes
appendonly no
#appendfilename "appendonly.aof"
#appendfsync everysec
#appendfsync everysec
activerehashing yes
#vw-enabled yes
#repliaction
masterauth 123456
requirepass 123456
slaveof 192.168.199.11 6379
第三：启动11，12，13的redis
/usr/local/redis-5.0.7/src/redis-server /etc/redis/redis.conf
查看日志，如出现以下则代表成功
63467:S 23 Dec 2019 17:19:15.961 * Ready to accept connections
63467:S 23 Dec 2019 17:19:15.961 * Connecting to MASTER 192.168.199.11:6379
63467:S 23 Dec 2019 17:19:15.961 * MASTER REPLICA sync started
63467:S 23 Dec 2019 17:19:15.962 * Non blocking connect for SYNC fired the event.
63467:S 23 Dec 2019 17:19:15.962 * Master replied to PING, replication can continue...
63467:S 23 Dec 2019 17:19:15.963 * Partial resynchronization not possible (no cached master)
63467:S 23 Dec 2019 17:19:15.965 * Full resync from master: b66a76cfc097379db04a5eb33ef879236487eb47:0
63467:S 23 Dec 2019 17:19:15.997 * MASTER REPLICA sync: receiving 175 bytes from master
63467:S 23 Dec 2019 17:19:15.998 * MASTER REPLICA sync: Flushing old data
63467:S 23 Dec 2019 17:19:15.998 * MASTER REPLICA sync: Loading DB in memory
63467:S 23 Dec 2019 17:19:15.998 * MASTER REPLICA sync: Finished with success
63467:S 23 Dec 2019 17:20:40.944 * 1 changes in 9 seconds. Saving...
63467:S 23 Dec 2019 17:20:40.944 * Background saving started by pid 63499
63499:C 23 Dec 2019 17:20:40.948 * DB saved on disk
63499:C 23 Dec 2019 17:20:40.949 * RDB: 0 MB of memory used by copy-on-write
63467:S 23 Dec 2019 17:20:41.045 * Background saving terminated with success
查看同步数据
192.168.199.11
192.168.199.12
192.168.199.13
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