redis sentinel配置(windows环境)
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redis sentinel配置(windows环境)
环境介绍
1.操作系统windows72.redis版本3.2
安装redis
1.redis官方暂不支持windows版本,所以需要在github下载。
https://github.com/MicrosoftArchive/redis/releases
2.解压至本地。
集群配置
master ip:127.0.0.1 port:6379 slave1 ip:127.0.0.1 port:6380 slave2 ip:127.0.0.1 port:6381 sentinel1 ip:127.0.0.1 port:16379sentinel2 ip:127.0.0.1 port:16380sentinel3 ip:127.0.0.1 port:16381
修改配置文件
1.复制并新建三份redis.conf文件,分别命名为redis6379.conf、redis6380.conf、redis6381.conf。
其中,redis6379.conf为master的conf,redis6380.conf和redis6381.conf为slave1和slave2的conf。
2.redis6379.conf配置信息如下:
bind 127.0.0.1
protected-mode no
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 0
loglevel notice
logfile “”
databases 16
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir ./redis-6379
masterauth 15144
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
repl-backlog-size 1mb
slave-priority 100
requirepass 15144
appendonly yes
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
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
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
redis.conf各配置项具体作用可参照redis.conf原文件的注释。
3.redis6380.conf和redis6381.conf的配置信息大部分与redis6379.conf相同,需改动配置项如下:
redis6380.conf
bind 127.0.0.1
slaveof 127.0.0.1 6379
port 6380
dir ./redis-6380
redis6381.conf
bind 127.0.0.1
slaveof 127.0.0.1 6379
port 6381
dir ./redis-6381
4.新建三份 sentinel.conf 配置文件,分别命名为sentinel16379.conf、sentinel16380.conf、sentinel16381.conf。配置信息如下:
port 16379sentinel monitor mymaster 127.0.0.1 6379 2 sentinel down-after-milliseconds mymaster 5000 sentinel parallel-syncs mymaster 1 sentinel failover-timeout mymaster 15000 sentinel auth-pass mymaster 15144
除端口号外,其他信息一样。
5.启动master、slave1、slave2、sentinel。
启动命令如下:
redis-server.exe redis6379.confredis-server.exe redis6380.confredis-server.exe redis6381.confredis-server.exe sentinel16379.conf --sentinelredis-server.exe sentinel16380.conf --sentinelredis-server.exe sentinel16381.conf --sentinel
启动成功界面如下:
master:
slave1:
slave2:与slave1基本相同
sentinel:
5.查看redis服务器状态
master:
slave1:
slave2:与slave1基本相同
sentinel:
6.测试
a.关闭masterb.查看其他服务器状态
c.查看sentinel信息,master切换成功
7.搭建过程中遇到的问题
a.第一次启动slave服务的时候,遇到如下问题:
[7256] 06 Dec 11:38:05.158 * Background append only file rewriting started by pid 10344[7256] 06 Dec 11:38:05.232 * AOF rewrite child asks to stop sending diffs.[7256] 06 Dec 11:38:05.332 # fork operation complete[7256] 06 Dec 11:38:05.332 * Background AOF rewrite terminated with success[7256] 06 Dec 11:38:05.332 * Residual parent diff successfully flushed to the rewritten AOF (0.00 MB)[7256] 06 Dec 11:38:05.333 # Error trying to rename the existing AOF to old tempfile: Broken pipe[7256] 06 Dec 11:38:05.433 * Background append only file rewriting started by pid 3284[7256] 06 Dec 11:38:05.533 * AOF rewrite child asks to stop sending diffs.[3284] 06 Dec 11:38:06.025 # Error moving temp append only file on the final destination: Input/output error[3284] 06 Dec 11:38:06.025 # rewriteAppendOnlyFile failed in qfork: Input/output error[7256] 06 Dec 11:38:06.033 # fork operation complete[7256] 06 Dec 11:38:06.033 # Background AOF rewrite terminated with error[7256] 06 Dec 11:38:06.133 * Background append only file rewriting started by pid 7728[7256] 06 Dec 11:38:06.233 * AOF rewrite child asks to stop sending diffs.[7728] 06 Dec 11:38:06.724 # Error moving temp append only file on the final destination: Input/output error[7728] 06 Dec 11:38:06.724 # rewriteAppendOnlyFile failed in qfork: Input/output error[7256] 06 Dec 11:38:06.733 # fork operation complete[7256] 06 Dec 11:38:06.733 # Background AOF rewrite terminated with error
网上找了一些资料,自己尝试了一些方法,最后通过更改redis6379.conf、redis6380.conf、redis6381.conf三个配置文件中的 dir 配置项来解决,dir配置的文件地址不能一样。应该是master和slave的dir配置项如果一样的话,slave和master同步的时候异常了。
b.启动sentinel服务后,查看sentinel信息,发现master status=sdown,slaves=0。
但是在master服务上显示两个slave已经连接成功了。
原因是因为master和slave设置了验证密码,但是sentinel的配置里面没有设置sentinel auth-pass mymaster 15144,在sentinel.conf里面添加一下就好了。
本人小白一枚,初写博客,如有不对的地方恳请各位大神批评指正。
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