一主2从,3个sentinel
IP地址 | redis | 端口 | sentinel | 端口 |
---|---|---|---|---|
10.102.0.33 | redis主 | 6379 | sentinel1 | 26379 |
10.102.0.34 | redis从1 | 6379 | sentinel2 | 26379 |
10.102.0.35 | redis从2 | 6379 | sentinel3 | 26379 |
redis主 配置文件
bind 0.0.0.0
protected-mode no
port 6379
tcp-backlog 2048
timeout 0
tcp-keepalive 300
daemonize no
supervised no
pidfile "/redisdata/redis_6379.pid"
loglevel notice
logfile "/redisdata/redis-server.log"
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename "dump.rdb"
dir "/redisdata"
masterauth "6S9rpmPQxAbvdyKV"
requirepass "6S9rpmPQxAbvdyKV"
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
aof-use-rdb-preamble 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
stream-node-max-bytes 4096
stream-node-max-entries 100
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
dynamic-hz yes
aof-rewrite-incremental-fsync yes
rdb-save-incremental-fsync yes
redis 从的配置
replicaof 10.102.0.34 6379
bind 0.0.0.0
protected-mode no
port 6379
tcp-backlog 2048
timeout 0
tcp-keepalive 300
daemonize no
supervised no
pidfile "/redisdata/redis_6379.pid"
loglevel notice
logfile "/redisdata/redis-server.log"
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename "dump.rdb"
dir "/redisdata"
masterauth "6S9rpmPQxAbvdyKV"
requirepass "6S9rpmPQxAbvdyKV"
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
aof-use-rdb-preamble 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
stream-node-max-bytes 4096
stream-node-max-entries 100
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
dynamic-hz yes
aof-rewrite-incremental-fsync yes
rdb-save-incremental-fsync yes
启动脚本 redis-server
#!/bin/bash
#
# redis - this script starts and stops the redis-server daemon
#
# chkconfig: - 85 15
# description: Redis is a persistent key-value database
# processname: redis-server
# config: /usr/local/redis/etc/redis.conf
# config: /etc/sysconfig/redis
# pidfile: /usr/local/redis/var/redis-server.pid
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0
redis="/usr/local/redis/src/redis-server"
prog=$(basename $redis)
REDIS_CONF_FILE="/usr/local/redis/etc/redis.conf"
[ -f /etc/sysconfig/redis ] && . /etc/sysconfig/redis
lockfile=/var/lock/subsys/redis-server
start() {
[ -x $redis ] || exit 5
[ -f $REDIS_CONF_FILE ] || exit 6
echo -n $"Starting $prog: "
daemon $redis $REDIS_CONF_FILE
retval=$?
echo
[ $retval -eq 0 ] && touch $lockfile
return $retval
}
stop() {
echo -n $"Stopping $prog: "
killproc $prog
retval=$?
echo
[ $retval -eq 0 ] && rm -f $lockfile
return $retval
}
restart() {
stop
start
}
reload() {
echo -n $"Reloading $prog: "
killproc $redis -HUP
RETVAL=$?
echo
}
force_reload() {
restart
}
rh_status() {
status $prog
}
rh_status_q() {
rh_status >/dev/null 2>&1
}
case "$1" in
start)
rh_status_q && exit 0
$1
;;
stop)
rh_status_q || exit 0
$1
;;
restart)
$1
;;
reload)
rh_status_q || exit 7
$1
;;
force-reload)
force_reload
;;
status)
rh_status
;;
condrestart|try-restart)
rh_status_q || exit 0
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
exit 2
esac
启动三台 ./redis-server start
查看状态
redis-cli -h 10.102.0.33 -p 6379 -a 6S9rpmPQxAbvdyKV info
redis-cli -h 10.102.0.34 -p 6379 -a 6S9rpmPQxAbvdyKV info
redis-cli -h 10.102.0.35 -p 6379 -a 6S9rpmPQxAbvdyKV info
角色和主从的状态
安装sentinel,
三台一样的sentinel.conf
port 26379
pidfile "/usr/local/redis/var/redis-sentinel.pid"
dir "/usr/local/redis/data/sentinel"
daemonize yes
protected-mode no
logfile "/usr/local/redis/var/redis-sentinel.log"
sentinel myid 453a6c2a79774552bb7995661534da0cbf85caff
sentinel deny-scripts-reconfig yes
sentinel monitor redisMaster 10.102.0.34 6379 2
sentinel down-after-milliseconds redisMaster 10000
sentinel failover-timeout redisMaster 60000
sentinel auth-pass redisMaster 6S9rpmPQxAbvdyKV
启动
sentinel /usr/local/redis/etc/sentinel.conf
查看三台的状态
[root@redis_1 init.d]# redis-cli -h 10.102.0.33 -p 26379 info Sentinel
# Sentinel
sentinel_masters:1
sentinel_tilt:0
sentinel_running_scripts:0
sentinel_scripts_queue_length:0
sentinel_simulate_failure_flags:0
master0:name=redisMaster,status=ok,address=10.102.0.34:6379,slaves=2,sentinels=3
[root@redis_1 init.d]#