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服務器之家 - 數據庫 - Redis - Centos7 Redis主從搭建配置的實現

Centos7 Redis主從搭建配置的實現

2019-11-15 16:18Lancger Redis

這篇文章主要介紹了Centos7 Redis主從搭建配置的實現,小編覺得挺不錯的，現在分享給大家，也給大家做個參考。一起跟隨小編過來看看吧

一、環境介紹

Redis—master   172.18.8.19
Redis—slave   172.18.8.20

二、redis主的配置

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#創建redis數據目錄
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從配置

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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   -----從庫比主庫多這2行配置參數
masterauth Allwelltokok   -----從庫比主庫多這2行配置參數
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啟動腳本

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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、啟動服務

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root># /etc/init.d/redis_6379 start 

查看日志

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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 

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。

原文鏈接：https://segmentfault.com/a/1190000015432869

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