2019-09-14-Redis

Redis

介绍

Redis 是完全开源免费的，遵守BSD协议，是一个高性能的key-value数据库。

Redis支持数据的持久化，可以将内存中的数据保存在磁盘中，重启的时候可以再次加载进行使用; Redis不仅仅支持简单的key-value类型的数据，同时还提供list，set，zset，hash等数据结构的存储; Redis支持数据的备份，即master-slave模式的数据备份。

安装

[root@anyue ~]# wget http://download.redis.io/releases/redis-5.0.5.tar.gz
[root@anyue redis-5.0.5]# tar -xzf redis-5.0.5.tar.gz
[root@anyue redis-5.0.5]# make PREFIX=/usr/local/redis install 
[root@anyue redis-5.0.5]# mkdir /usr/local/redis/etc
[root@anyue redis-5.0.5]# cp ./redis.conf /usr/local/redis/etc/
[root@anyue redis-5.0.5]# vim /usr/local/redis/etc/redis.conf   
  daemonize yes  
[root@anyue redis-5.0.5]# ln -s /usr/local/redis/bin/* /usr/local/bin 
[root@anyue redis-5.0.5]# cp /utils/redis_init_script /usr/local/redis/etc/  # 启动脚本
[root@anyue redis-5.0.5]# vim /usr/local/redis/etc/redis_init_script  
	#!/bin/sh
	# chkconfig: 2345 80 90
	# description: source package redis

	# Simple Redis init.d script conceived to work on Linux systems
	# as it does use of the /proc filesystem.
	### BEGIN INIT INFO
	# Provides:     redis_6379
	# Default-Start:        2 3 4 5
	# Default-Stop:         0 1 6
	# Short-Description:    Redis data structure server
	# Description:          Redis data structure server. See https://redis.io
	### END INIT INFO

	REDISPORT=6379
	EXEC=/usr/local/redis/bin/redis-server
	CLIEXEC=/usr/local/redis/bin/redis-cli

	PIDFILE=/var/run/redis_${REDISPORT}.pid
	CONF="/usr/local/redis/etc/${REDISPORT}.conf"

	case "$1" in
		start)
			if [ -f $PIDFILE ]; then
				echo "$PIDFILE exists, process is already running or crashed"
			else
				echo "Starting Redis server..."
				$EXEC $CONF &
			fi
			;;
		stop)
			if [ ! -f $PIDFILE ]; then
				echo "$PIDFILE does not exist, process is not running"
			else
				PID=$(cat $PIDFILE)
				echo "Stopping ..."
				$CLIEXEC -p $REDISPORT shutdown
				while [ -x /proc/${PID} ]
				do
					echo "Waiting for Redis to shutdown ..."
					sleep 1
				done
				echo "Redis stopped"
			fi
			;;
		*)
			echo "Please use start or stop as first argument"
			;;
	esac
[root@anyue redis-5.0.5]# ln -s /usr/local/redis/etc/redis_init_script /etc/init.d/redisd  
[root@anyue redis-5.0.5]# chkconfig --add redisd`  # 加入开机自启  

使用

string 类型及操作

[root@anyue redis-5.0.5]# redis-cli -h 127.0.0.1 -p6379 -apasswd  # 远程

待续。。。