Redis之——主从配置详解

转载请注明出处：http://blog.csdn.net/l1028386804/article/details/61952074

如今，越来越多的企业开始使用Redis了。很多朋友给我发来私信，问如何才能搭建一个Redis集群。那么，今天，我就给大家带来一篇关于Redis主从配置的文章，好了，不多说了，我们直接进入主题。

一、创建相关目录

# mkdir -p /usr/local/redis/{etc,bin,var}
# mkdir -p /data/logs/redis /data/dbcache

二、编译安装Redis

# tar -xvzf redis-2.4.13.tar.gz
# cd redis-2.4.13
# make
# cd src && cp redis-server redis-cli redis-benchmark /usr/local/redis/bin
# echo "vm.overcommit_memory=1" >> /etc/sysctl.conf
# /sbin/sysctl -p

三、主服务器设置(192.168.1.100)

# vim /usr/local/redis/etc/redis.conf
daemonize yes
pidfile /usr/local/redis/var/redis.pid
port 6379
bind 192.168.1.100

unixsocket /usr/local/redis/var/redis.sock
unixsocketperm 755

timeout 300

loglevel verbose
logfile /data/logs/redis/redis.log

# syslog-enabled no
# syslog-ident redis
# syslog-facility local0

databases 16

save 900 1
save 300 10
save 60 10000

rdbcompression yes
dbfilename dump.rdb

dir /data/dbcache

# slaveof <masterip> <masterport>
# masterauth <master-password>

# repl-ping-slave-period 10
# repl-timeout 60
requirepass redis123
# rename-command CONFIG ""

maxclients 0

# maxmemory <bytes>
# maxmemory-policy volatile-lru
# maxmemory-samples 3

appendonly no
appendfilename appendonly.aof
appendfsync always
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb

slowlog-log-slower-than 10000
slowlog-max-len 128

vm-enabled no
vm-swap-file /data/dbcache/redis.swap
vm-max-memory 0
vm-page-size 32
vm-pages 134217728
vm-max-threads 4

glueoutputbuf yes

hash-max-zipmap-entries 512
hash-max-zipmap-value 64

list-max-ziplist-entries 512
list-max-ziplist-value 64

set-max-intset-entries 512

zset-max-ziplist-entries 128
zset-max-ziplist-value 64

activerehashing yes

四、从服务器设置(192.168.1.200)

daemonize yes
pidfile /usr/local/redis/var/redis.pid
port 6379
bind 192.168.1.200

unixsocket /usr/local/redis/var/redis.sock
unixsocketperm 755

timeout 300

loglevel verbose
logfile /data/logs/redis/redis.log

# syslog-enabled no
# syslog-ident redis
# syslog-facility local0

databases 16

save 900 1
save 300 10
save 60 10000

rdbcompression yes
dbfilename dump.rdb

dir /data/dbcache

# slaveof <masterip> <masterport>
# masterauth <master-password>

# repl-ping-slave-period 10
# repl-timeout 60
# rename-command CONFIG ""

maxclients 0

# maxmemory <bytes>
# maxmemory-policy volatile-lru
# maxmemory-samples 3

appendonly no
appendfilename appendonly.aof
appendfsync always
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb

slowlog-log-slower-than 10000
slowlog-max-len 128

vm-enabled no
vm-swap-file /data/dbcache/redis.swap
vm-max-memory 0
vm-page-size 32
vm-pages 134217728
vm-max-threads 4

glueoutputbuf yes

hash-max-zipmap-entries 512
hash-max-zipmap-value 64

list-max-ziplist-entries 512
list-max-ziplist-value 64

set-max-intset-entries 512

zset-max-ziplist-entries 128
zset-max-ziplist-value 64

activerehashing yes

slave-serve-stale-data yes
slaveof 192.168.1.100 6379
masterauth redis123

五、启动服务

# /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf

主服务器上执行：

# /usr/local/redis/bin/redis-cli -h 192.168.1.100 -a redis123 set test 123456

从服务器上执行：

# /usr/local/redis/bin/redis-cli -h 192.168.1.200 get test

六、启动脚本

#!/bin/sh
#
# redis - this script starts and stops the redis-server daemon
#
# chkconfig:   - 85 15
# description:  Redis is a persistent key-value database
# processname: redis-server
# config:      /usr/local/redis/etc/redis.conf
# pidfile:     /usr/local/redis/var/redis.pid
# Check that networking is up.
                                              
[ "$NETWORKING" = "no" ] && exit 0
                                              
redis="/usr/local/redis/bin/redis-server"
prog=$(basename $redis)
REDIS_CONF_FILE="/usr/local/redis/etc/redis.conf"
lockfile="/var/lock/subsys/redis"
                                              
start() {
    [ -x $redis ] || exit 5
    [ -f $REDIS_CONF_FILE ] || exit 6
                                                 
    echo -n $"Starting $prog: "
    $redis $REDIS_CONF_FILE
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
                                                 
    return $retval
}
                                              
stop() {
    echo -n $"Stopping $prog: "
    /sbin/killproc $prog -QUIT
                                                 
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
                                                 
    return $retval
}
                                              
restart() {
    stop
    sleep 1
    start
}
                                              
reload() {
    echo -n $"Reloading $prog: "
    /sbin/killproc $redis -HUP
                                                 
    RETVAL=$?
    echo
                                                 
    return $retval
}
                                              
case "$1" in
start)
    $1
    ;;
                                                 
stop)
    $1
    ;;
                                                 
restart)
    $1
    ;;
                                                 
reload)
    $1
    ;;
                                                 
*)
    echo $"Usage: $0 {start|stop|restart|reload}"
    exit 2
esac

七、启动服务

# chmod 700 /etc/init.d/redis
# chkconfig --add redis
# service redis start

八、测试是否已启动

# /usr/local/redis/bin/redis-cli ping

九、性能测试

# /usr/local/redis/bin/redis-benchmark

十、关闭服务

# /usr/local/redis/bin/redis-cli -p 6379 shutdown

十一、强制刷新数据到磁盘【Redis默认是异步写入磁盘的】

# /usr/local/redis/bin/redis-cli -p 6379 save