Redis 6.0 安裝 + 持久化配置

Runner_NingGuo_Wen發表於2020-12-08
Redis持久化
#型別
c語言包：    yum install -y gcc
記憶體資料庫：讀寫快，持久化可寫入硬碟
單執行緒，弱於多執行緒的 memcache，忽略這一特性
 
#集合的使用場景
更具文章tag來檢索文章
 
#版本號
小數點後的第一個數字：偶數為穩定版，奇數為非穩定版
穩定版：2.4、2.6
非穩定版：2.5、2.7
 
#安裝redis-6.0.6：step 1
cd /usr/local/src/
wget http://download.redis.io/releases/redis-6.0.6.tar.gz
tar zxf redis-6.0.6.tar.gz
cd redis-6.0.6
make                「要求gcc >5.3，預設4.8.5」  
server.c:5209:176: error: ‘struct redisServer’ has no member named ‘maxmemory’
         serverLog(LL_WARNING,"WARNING: You specified a maxmemory value that is less than 1MB (current value is %llu bytes). Are you sure this is what you really want?", server.maxmemory);

server.c:5212:31: error: ‘struct redisServer’ has no member named ‘server_cpulist’
     redisSetCpuAffinity(server.server_cpulist);

make distclean    「清理錯誤」 

#升級gcc 9
yum -y install centos-release-scl
yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils
scl enable devtoolset-9 bash
echo "source /opt/rh/devtoolset-9/enable" >> /etc/profile
gcc -v
9.3.1
 
#安裝redis-6.0.6：step 2
cd /usr/local/src/redis-6.0.6
make
make PREFIX=/usr/local/redis install
ls -1 /usr/local/redis/bin/
redis-benchmark
redis-check-aof
redis-check-rdb
redis-cli    「命令列客戶端」 
redis-sentinel
redis-server    「服務端」 
cp redis.conf /usr/local/redis/    「配置檔案」 
 
#啟動：適用開發環境 step 1
cd /usr/local/redis/
vim redis.conf
./bin/redis-server redis.conf
./bin/redis-server
 
#啟動：適用生產環境 step 2
vim /usr/local/src/redis-6.0.6/utils/redis_init_script    「啟動指令碼」  
#!/bin/sh
#
# 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_${REDISPORT}.pid
CONF="/etc/redis/${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

cp redis_init_script /etc/init.d/redis_6379    「埠號」 

vim +14 /etc/init.d/redis_6379     
REDISPORT=6379
EXEC=/usr/local/redis/bin/redis-server    「命令路徑」 
CLIEXEC=/usr/local/redis/bin/redis-cli

PIDFILE=/var/run/redis_${REDISPORT}.pid
CONF="/etc/redis/${REDISPORT}.conf"    「配置檔案」 

mkdir -p /var/redis/6379    「持久化儲存目錄」 

mkdir /etc/redis

cp redis.conf /etc/redis/6379.conf
 
vim /etc/redis/6379.conf        「配置檔案」  
daemonize yes    守護程式方式執行
pidfile /var/run/redis_6379.pid    pid檔案
port 6379
dir /var/redis/6379    持久化

/etc/init.d/redis_6379 [start | stop]    「啟動指令碼」 

chkconfig --add redis_6379    「開機自啟」 

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