参考

Running Redis in production

docker


docker pull redis:3.2.4

docker stop my-redis
docker rm my-redis
docker run -itd \
        --name my-redis \
        -p 6379:6379 \
        -v /Users/zll/tmp/my-redis/data/:/data \
        redis:3.2.4

docker start my-redis

docker exec -it my-redis bash

config get databases
info keyspace

Cluster and Sentinel

每个 Redis 集群节点都要提供两个端口:

6379: 数据端口
16379: 集群端口,是数据端口号加上固定值 1000

Redis Cluster的作用: 将超过单机存储限制的数据分片存储在多台主机上。 Redis Sentinel的作用: 使用一主多从模式保证高可用性。

设计

Host	Cluster Node, Sentinel Master Node	cluster slots	Sentinel slave node
1	A	0 - 999	B1
2	B	1000 - 1999	C1
3	C	2000 - 2999	A1

假如 host2 宕机了, 则由 A@host1, B1@host1, C@host3 共通构成一个完整的集群。

安装

创建系统用户redis，及所需的目录

 cd ~/Downloads
 wget http://download.redis.io/releases/redis-3.0.3.tar.gz
 tar xzf redis-3.0.3.tar.gz
 cd redis-3.0.3
 make
 make PREFIX=/data0/soft/redis/redis-3.0.3 install

 [root@localhost ~]# adduser -r -m  -d /data/software/redis redis
 [root@localhost ~]# passwd -l redis

 [root@localhost ~]# mkdir /data/store/redis
 [root@localhost ~]# chown -R redis:redis /data/store/redis

 [root@localhost ~]# mkdir /data/outputs/log/redis
 [root@localhost ~]# chown -R redis:redis /data/outputs/log/redis

从Redis官网下载所需的安装包，或者查看文件共享：\\10.1.10.212\share\java\redis\。放到 /data/tmp/ 目录下，并解压：

 [root@localhost ~]# mkdir /data/tmp
 [root@localhost ~]# scp [email protected]:/data/share/java/redis/redis-2.8.7.tar.gz /data/tmp
 [root@localhost ~]# tar zxvf /data/tmp/redis-2.8.7.tar.gz -C /data/software/redis/
 [root@localhost ~]# chown -R redis:redis /data/software/redis/

编译

 [root@localhost ~]# su - redis
 [redis@localhost ~]$ cd /data/software/redis/redis-2.8.7/
 [redis@localhost redis-2.8.7]$ make

修改配置文件

 [root@localhost ~]# /data/software/redis/redis-2.8.7/redis.conf
   daemonize yes
   pidfile /data/store/redis/redis.pid
   port 6379
   dir /data/store/redis/

从这里下载Redis的init.d脚本至 /etc/init.d/redis，修改后并启用

 [root@localhost ~] vi /etc/init.d/redis
   exec="/data/software/redis/redis-2.8.7/src/redis-server"
   pidfile="/data/store/redis/redis.pid"                                                                 # 应当与redis.conf中的配置保持一致
   REDIS_CONFIG="/data/software/redis/redis-2.8.7/redis.conf"
   REDIS_USER=redis
 [root@localhost ~]# chmod u+x /etc/init.d/redis
 [root@localhost ~]# chkconfig --add redis
 [root@localhost ~]# chkconfig --list redis
 [root@localhost ~]# chkconfig --level 345 redis on

启动

 [root@localhost ~]# service redis start

TODO 上下合并

安装

创建系统用户redis，及所需的目录

 adduser -r -m  -d /data/software/redis redis
 passwd -l redis

 mkdir /data/store/redis
 chown -R redis:redis /data/store/redis

 mkdir /data/outputs/log/redis
 chown -R redis:redis /data/outputs/log/redis

从Redis官网下载所需的安装包。放到 /data/tmp/ 目录下，并解压：

 mkdir /data/tmp
 wget http://download.redis.io/releases/redis-2.8.14.tar.gz
 tar zxvf redis-2.8.14.tar.gz -C redis/
 chown -R redis:redis redis/

编译

 su - redis
 cd /data/software/redis/redis-2.8.7/
 make

修改系统设置

 vi /etc/sysctl.conf
 vm.overcommit_memory = 1

 sysctl vm.overcommit_memory=1

修改配置文件 /data/software/redis/redis-2.8.7/redis.conf

 daemonize yes
 pidfile /data/store/redis/redis.pid
 port 6379
 dir /data/store/redis/

 unixsocket /tmp/redis.sock
 unixsocketperm 770

centos 6

准备 init.d 脚本（可以搜索 redis rpm，找到rpm包后解压获取相应的init.d脚本，然后在再其基础上修改配置项） ```bash

!/bin/sh

#

redis init file for starting up the redis daemon

#

chkconfig: - 20 80

description: Starts and stops the redis daemon.

Source function library.

. /etc/rc.d/init.d/functions

name="redis-server" exec="/home/redis/redis-2.8.12/src/redis-server" pidfile="/home/redis/redis-2.8.12/redis.pid" REDIS_CONFIG="/home/redis/redis-2.8.12/redis.conf" REDIS_USER=redis

[ -e /etc/sysconfig/redis ] && . /etc/sysconfig/redis

lockfile=/var/lock/subsys/redis

start() {
```
 [ -f $REDIS_CONFIG ] || exit 6
 [ -x $exec ] || exit 5
 echo -n $"Starting $name: "
 daemon --user ${REDIS_USER-redis} "$exec $REDIS_CONFIG  --daemonize yes --pidfile $pidfile"
 retval=$?
 echo
 [ $retval -eq 0 ] && touch $lockfile
 return $retval
```
}

stop() {
```
 echo -n $"Stopping $name: "
 killproc -p $pidfile $name
 retval=$?
 echo
 [ $retval -eq 0 ] && rm -f $lockfile
 return $retval
```
}

restart() {
```
 stop
 start
```
}

reload() {
```
 false
```
}

rh_status() {
```
 status -p $pidfile $name
```
}

rh_status_q() {
```
 rh_status >/dev/null 2>&1
```
}

case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart}"
        exit 2
esac
exit $?
```
并修改其中的配置项 `vi /etc/init.d/redis`

```bash
exec="/data/software/redis/redis-2.8.14/src/redis-server"
pidfile="/data/store/redis/redis.pid"                                                                 # 应当与redis.conf中的配置保持一致
REDIS_CONFIG="/data/software/redis/redis-2.8.14/redis.conf"
REDIS_USER=redis
```
最后为 init.d 脚本修改权限

```bash
chmod u+x /etc/init.d/redis
chkconfig --add redis
chkconfig --list redis
chkconfig --level 345 redis on
```

启动
```
 service redis start
```

centos 7

vi /usr/lib/systemd/system/redis.service

 [Unit]
 Description=Redis Server
 After=network.target

 [Service]
 Type=forking
 ExecStart=/usr/local/bin/redis-server /home/redis/redis.conf
 ExecStop=/bin/kill -15 $MAINPID
 PIDFile=/home/redis/redis.pid
 Restart=always
 User=redis
 LimitNOFILE=65535

 [Install]
 WantedBy=multi-user.target

systemctl enable redis
systemctl start redis

参考

docker

Cluster and Sentinel

安装

安装

centos 6

!/bin/sh

redis init file for starting up the redis daemon

chkconfig: - 20 80

description: Starts and stops the redis daemon.

Source function library.

centos 7