Centos7 Redis主从搭建配置的实现

一、环境介绍

redis—master   172.18.8.19
redis—slave   172.18.8.20

二、redis主的配置

#创建redis数据目录
mkdir -p /data0/redis_trade

#redis主配置文件
root># cat redis_6379.conf |grep -ev "^$|^#"
bind 172.18.8.19
protected-mode yes
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize yes
supervised no
pidfile /var/run/redis_6379.pid
loglevel notice
logfile "/var/log/redis_6379.log"
databases 16
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump_6379.rdb
dir /data0/redis_trade
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
slave-priority 100
requirepass allwelltokok
appendonly yes
appendfilename "appendonly_6379.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
lua-time-limit 5000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
activerehashing yes
rename-command flushall zyzv6fobdwflw2nx
rename-command eval s9uhpkepsvujmm
rename-command flushdb d60fpvdjuip7gy6l
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

三、redis从配置

root># cat redis_6379.conf |grep -ev "^$|^#"
bind 172.18.8.20
protected-mode yes
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize yes
supervised no
pidfile /var/run/redis_6379.pid
loglevel notice
logfile "/var/log/redis_6379.log"
databases 16
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump_6379.rdb
dir /data0/redis_trade
slaveof 172.18.8.19 6379   -----从库比主库多这2行配置参数
masterauth allwelltokok   -----从库比主库多这2行配置参数
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
slave-priority 100
requirepass allwelltokok
appendonly yes
appendfilename "appendonly_6379.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
lua-time-limit 5000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
activerehashing yes
rename-command flushall zyzv6fobdwflw2nx
rename-command eval s9uhpkepsvujmm
rename-command flushdb d60fpvdjuip7gy6l
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

四、redis启动脚本

root># cat /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.
# chkconfig:  2345 90 10

source /etc/init.d/functions
redisport=6379
exec=/usr/local/bin/redis-server
cliexec=/usr/local/bin/redis-cli
 
pidfile=/var/run/redis_${redisport}.pid
conf="/usr/local/redis/etc/redis_${redisport}.conf"
auth="allwelltokok"
bind_ip='172.18.8.19'
 
start(){
   
  if [ -f $pidfile ]
  then
    echo "$pidfile exists, process is already running or crashed"
  else
    echo "starting redis server..."
    $exec $conf
  fi
  if [ "$?"="0" ] 
  then 
    echo "redis is running..." 
  fi 
 
 
}
 
stop(){
 
  if [ ! -f $pidfile ]
  then
    echo "$pidfile does not exist, process is not running"
  else
    pid=$(cat $pidfile)
    echo "stopping ..."
    $cliexec -h $bind_ip -a $auth -p $redisport shutdown 
    sleep 1
    while [ -x /proc/${pid} ]
    do
      echo "waiting for redis to shutdown ..."
      sleep 1
    done
      echo "redis stopped"
  fi
}
 
restart(){
  stop
  start
 
}
status(){
 
  ps -ef|grep redis-server|grep -v grep >/dev/null 2>&1
 
  if [ $? -eq 0 ];then
 
    echo "redis server is running"
 
  else
    echo "redis server is stopped"
 
  fi
   
 
}
 
 
case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
     
  restart)
    restart
    ;;
     
  status)
    status
    ;;   
  *)
   
   echo "usage: /etc/init.d/redis {start|stop|status|start}" >&2 
   exit 1 
esac

五、启动服务

root># /etc/init.d/redis_6379 start  

查看日志

root># tail -100f /var/log/redis_6379.log
5563:s 29 jun 22:14:23.236 * increased maximum number of open files to 10032 (it was originally set to 1024).
        _._                         
      _.-``__ ''-._                       
   _.-``  `. `_. ''-._      redis 3.2.12 (00000000/0) 64 bit
 .-`` .-```. ```\/  _.,_ ''-._                  
 (  '   ,    .-` | `,  )   running in standalone mode
 |`-._`-...-` __...-.``-._|'` _.-'|   port: 6379
 |  `-._  `._  /   _.-'  |   pid: 5563
 `-._  `-._ `-./ _.-'  _.-'                  
 |`-._`-._  `-.__.-'  _.-'_.-'|                 
 |  `-._`-._    _.-'_.-'  |      http://redis.io    
 `-._  `-._`-.__.-'_.-'  _.-'                  
 |`-._`-._  `-.__.-'  _.-'_.-'|                 
 |  `-._`-._    _.-'_.-'  |                 
 `-._  `-._`-.__.-'_.-'  _.-'                  
   `-._  `-.__.-'  _.-'                    
     `-._    _.-'                      
       `-.__.-'                        

5563:s 29 jun 22:14:23.237 # server started, redis version 3.2.12
5563:s 29 jun 22:14:23.237 * the server is now ready to accept connections on port 6379
5563:s 29 jun 22:14:23.237 * connecting to master 172.18.8.19:6379
5563:s 29 jun 22:14:23.237 * master <-> slave sync started
5563:s 29 jun 22:14:23.237 * non blocking connect for sync fired the event.
5563:s 29 jun 22:14:23.238 * master replied to ping, replication can continue...
5563:s 29 jun 22:14:23.238 * partial resynchronization not possible (no cached master)
5563:s 29 jun 22:14:23.239 * full resync from master: c9f303069f87253011bf39369366732a2e88b389:1
5563:s 29 jun 22:14:23.304 * master <-> slave sync: receiving 77 bytes from master
5563:s 29 jun 22:14:23.305 * master <-> slave sync: flushing old data
5563:s 29 jun 22:14:23.305 * master <-> slave sync: loading db in memory
5563:s 29 jun 22:14:23.305 * master <-> slave sync: finished with success
5563:s 29 jun 22:14:23.305 * background append only file rewriting started by pid 5567
5563:s 29 jun 22:14:23.329 * aof rewrite child asks to stop sending diffs.
5567:c 29 jun 22:14:23.329 * parent agreed to stop sending diffs. finalizing aof...
5567:c 29 jun 22:14:23.329 * concatenating 0.00 mb of aof diff received from parent.
5567:c 29 jun 22:14:23.329 * sync append only file rewrite performed
5567:c 29 jun 22:14:23.330 * aof rewrite: 0 mb of memory used by copy-on-write
5563:s 29 jun 22:14:23.337 * background aof rewrite terminated with success
5563:s 29 jun 22:14:23.337 * residual parent diff successfully flushed to the rewritten aof (0.00 mb)
5563:s 29 jun 22:14:23.337 * background aof rewrite finished successfully  

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