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redis启动过程

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redis启动过程

发表于1年前(2014-08-24 18:24)

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主要有两点:1、把 初始化脚本 放到 /etc/inti.d/下,启动服务 /etc/init.d/redis start

2、把配置文件redis.conf放在 /usr/local/etc/redis/下

redis启动分为两种:开发环境、生产环境

一、开发环境

1、cd redis-2.8.13/src

2、 ./redis-server 启动服务端

3、./redis-cli 启动客户端

二、生产环境(随系统开机启动)

1、配置redis初始化脚本(样本在/redis-2.8.13/utils/下),并放在/etc/init.d/下(命名为redis)

#!/bin/sh

#

# chkconfig: 2345 90 10 // 否则 chkconfig 无效

# description: Redis is a persistent key-value database //redis数据库描述

# Simple Redis init.d script conceived to work on Linux systems

# as it does use of the /proc filesystem.

REDISPORT=6379

EXEC=/usr/local/bin/redis-server

CLIEXEC=/usr/local/bin/redis-cli

PIDFILE=/var/run/redis_${REDISPORT}.pid

CONF="/usr/local/etc/redis/${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

如何修改此初始化脚本文件:修改redis服务端要监听的端口号:6379(默认)

二、在/etc目录下新建目录:/etc/redis 和 /var/redis/6379,并存放相应的文件

1、/usr/local/etc/redis/ 存放配置文件,命名为6379.conf (模板在源代码目录/redis-2.8.13/)

daemonize no //修改为yes 使redis以守护进程模式启动

pidfile /var/run/redis.pid //修改为/var/run/redis_6379.pid 设置redis的PID文件的路径

port 6379 //修改为6379 监听端口号

timeout 0

loglevel notice

logfile ""

databases 16

save 900 1

save 300 10

save 60 10000

stop-writes-on-bgsave-error yes

rdbcompression yes

rdbchecksum yes

dbfilename dump.rdb

dir ./ //修改为/var/redis/6379 设置持久化文件的路径

slave-serve-stale-data yes

slave-read-only yes

repl-disable-tcp-nodelay no

slave-priority 100

appendonly no

appendfilename "appendonly.aof"

appendfsync everysec

no-appendfsync-on-rewrite no

auto-aof-rewrite-percentage 100

auto-aof-rewrite-min-size 64mb

lua-time-limit 5000

slowlog-max-len 128

latency-monitor-threshold 0

notify-keyspace-events ""

hash-max-ziplist-entries 512

hash-max-ziplist-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

hll-sparse-max-bytes 3000

activerehashing yes

client-output-buffer-limit normal 0 0 0

client-output-buffer-limit slave 256mb 64mb 60

client-output-buffer-limit pubsub 32mb 8mb 60

hz 10

aof-rewrite-incremental-fsync yes

2、在/var/redis/端口号 目录下存放 持久化文件 (使用该组件时在存放)

(fedora下 此方法无效)3、sudo update-rc.d redis defaults (配置随机启动命令 redis_6379为初始化脚本文件)

4、随开机启动服务:chkconfig --level 35 redis on
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