Redis 4.0.14 单实例安装

安装依赖包
yum install gcc gcc-c++ automake autoconf lib tool make tcl zlib-devel -y

下载地址：
http://download.redis.io/releases/


创建用户
groupadd --gid 500 redis
useradd redis --uid 500 --gid 500
echo "redis" | passwd redis --stdin


创建目录
mkdir -p /data/redis/{base,redis_port,conf}
mkdir -p /data/redis/data/6379


修改网络、内存及资源限制相关内核参数
cat >> /etc/sysctl.conf << EOF
net.ipv4.tcp_max_syn_backlog = 65535
net.core.somaxconn = 65535
net.ipv4.tcp_max_tw_buckets = 262144
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_keepalive_probes = 3
net.ipv4.tcp_keepalive_time = 120
vm.overcommit_memory = 1
vm.swappiness = 1
fs.file-max = 1024000
EOF


sysctl -p


检查THP(Transparent Huge Pages)是否开启(以下情况为开启)
cat /sys/kernel/mm/transparent_hugepage/defrag
[always] madvise never

cat /sys/kernel/mm/transparent_hugepage/enabled
[always] madvise never


禁用THP(立即生效)
echo 'never' > /sys/kernel/mm/transparent_hugepage/enabled
echo 'never' > /sys/kernel/mm/transparent_hugepage/defrag
cat /sys/kernel/mm/transparent_hugepage/defrag
cat /sys/kernel/mm/transparent_hugepage/enabled


禁用THP(重启生效)
cat >> /etc/rc.d/rc.local << EOF
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
 echo 'never' > /sys/kernel/mm/transparent_hugepage/enabled
fi
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
 echo 'never' > /sys/kernel/mm/transparent_hugepage/defrag
fi
EOF


chmod +x /etc/rc.d/rc.local
 
 
修改 ulimit
cat >> /etc/security/limits.conf <<EOF
redis            soft    nofile          1024000
redis            hard    nofile          1024000
EOF


cat >> /etc/security/limits.d/redis.conf <<EOF
redis  soft  nofile  1024000
redis  hard  nofile  1024000
EOF


安装Redis软件
tar xf redis-4.0.14.tar.gz -C /data/redis/base
cd /data/redis/base
mv redis-4.0.14 4.0.14
cd /data/redis/base/4.0.14/deps
make hiredis lua linenoise jemalloc
cd /data/redis/base/4.0.14
make
make PREFIX=/data/redis/base/4.0.14 install
chown -R redis:redis /data/redis


配置环境变量，添加REDIS_HOME并且修改PATH，
注意：切换到redis用户下操作
su - redis
vi ~/.bash_profile    
### REDIS ###
REDIS_HOME=/data/redis/base/4.0.14
PATH=$PATH:$REDIS_HOME/bin
export PATH

再执行下面命令
source ~/.bash_profile


参数配置
vi /data/redis/conf/redis_6379.conf
### Server ###
pidfile                                   /data/redis/data/6379/redis_6379.pid  
port                                      6379                             
bind                                      0.0.0.0
logfile                                   "/data/redis/data/6379/redis_6379.log"  
dbfilename                                dump_6379.rdb                
dir                                       /data/redis/data/6379                
appendfilename                            "redis_6379.aof"       
daemonize                                 yes
loglevel                                  notice
databases                                 16
activerehashing                           yes
hz                                        10

### Auth ###
requirepass                               "AY*s23y7Qt5w+J#rz^FoEBBB*Rc$u^qg"
masterauth                                "AY*s23y7Qt5w+J#rz^FoEBBB*Rc$u^qg"

### Memory ###
maxmemory                                 20gb
maxmemory-policy                          noeviction
maxmemory-samples                         5

### Persistence ###
save                                      " "
stop-writes-on-bgsave-error               no
rdbcompression                            yes
rdbchecksum                               yes
appendonly                                no
appendfsync                               everysec
no-appendfsync-on-rewrite                 yes
auto-aof-rewrite-percentage               100
auto-aof-rewrite-min-size                 2gb
aof-load-truncated                        yes

### Clients ###     
maxclients                                10000
tcp-backlog                               65535
timeout                                   0
tcp-keepalive                             60
client-output-buffer-limit normal         0 0 0
client-output-buffer-limit slave          256mb 64mb 60
client-output-buffer-limit pubsub         32mb 8mb 60

### Replication ###
slave-serve-stale-data                    yes
slave-read-only                           yes
repl-diskless-sync                        no
repl-diskless-sync-delay                  5
repl-ping-slave-period                    10
repl-disable-tcp-nodelay                  no
repl-backlog-size                         2gb
repl-backlog-ttl                          3600
slave-priority                            100

### Command ###
rename-command                            flushall ""
rename-command                            flushdb ""

### Slowlog ###
slowlog-log-slower-than                   1000
slowlog-max-len                           1024

### Redis 4.0 New ###
lazyfree-lazy-eviction                    no
lazyfree-lazy-expire                      yes
lazyfree-lazy-server-del                  yes
slave-lazy-flush                          yes


配置Redis启动脚本
使用root用户操作
vi /etc/init.d/redis_6379

#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.

REDIS_PORT=6379            
PASSWORD='AY*s23y7Qt5w+J#rz^FoEBBB*Rc$u^qg'
EXEC=/data/redis/base/4.0.14/bin/redis-server   
CLIEXEC=/data/redis/base/4.0.14/bin/redis-cli    

PIDFILE=/data/redis/data/${REDIS_PORT}/redis_${REDIS_PORT}.pid  
CONF="/data/redis/conf/redis_${REDIS_PORT}.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 $REDIS_PORT -a $PASSWORD shutdown 2>/dev/null
                while [ -x /proc/${PID} ]
                do
                    echo "Waiting for Redis to shutdown ..."
                    sleep 1
                done
                echo "Redis stopped"
        fi
        ;;
    status)
        PID=$(cat $PIDFILE)
        if [ ! -x /proc/${PID} ]
        then
                echo 'Redis is not running'
        else
                echo "Redis is running ($PID)"
        fi
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    *)
        echo "Please use start, stop, restart or status as first argument"
        ;;
esac


修改启动脚本权限
chmod 770 /etc/init.d/redis_6379
chown redis.redis /etc/init.d/redis_6379


使用Redis用户启动redis server
su - redis 

/etc/init.d/redis_6379 start