Centos7 Redis主从搭建配置的实现

#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

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

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

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

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