windows10环境下构建一主两从redis经典架构

2022/3/28 19:24:13

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近期为了复习redis的知识点,于是动手在本地环境搭建了一套主从架构。

端口号如下

master 127.0.0.1:6379
slave0 127.0.0.1:6380
slave1 127.0.0.1:6381
sentinelA 127.0.0.1:16379
sentinelB 127.0.0.1:16380
sentinelC 127.0.0.1:16381

 

 

 

 

 

 

 

由于windows版本的redis,官方已停止支持,所以只能从github上面下载,地址为 https://github.com/tporadowski/redis/releases

安装的过程如下:

1. 将下载的压缩包分别解压至三个目录 c:\devtools\redis\Redis6379,c:\devtools\redis\Redis6380,c:\devtools\redis\Redis6381,在这几个目录下面分别创建data目录

2. 修改三个路径下面redis的配置文件,改动的地方如下:

    master ----

    port 6379

    logfile "C:/devtools/redis/Redis6379/redis.log"  #可以不指定,将直接在控制台输出log

    dir C:\devtools\redis\Redis6379\data  # 不指定将直接在当前路径下面保存数据文件 rdb/aof

    masterauth abcd  # salve连接master需要的密码

    requirepass abcd  #client连接redis需要的密码,此密码和上面的含义不同

    slave0 ----

    port 6380

    logfile "C:/devtools/redis/Redis6380/redis.log"  #可以不指定,将直接在控制台输出log

    dir C:\devtools\redis\Redis6380\data  # 不指定将直接在当前路径下面保存数据文件 rdb/aof

    masterauth abcd  # salve连接master需要的密码

    requirepass abcd  #client连接redis需要的密码,此密码和上面的含义不同

    replicaof 127.0.0.1 6379  #在新的版本中使用replicaof而不是slaveof

    slave1 ----

    改动同slave0,端口和路径中的6380改成6381,不赘述

3. sentinel配置(sentinel无需单独下载,本身redis已经集成了这部分的功能)

## sentinelA ----
port 16379
bind 127.0.0.1  #不加这个启动不起来
sentinel monitor mymaster 127.0.0.1 6379 2
sentinel down-after-milliseconds mymaster 5000
sentinel failover-timeout mymaster 15000
sentinel auth-pass mymaster abcd
## sentinelB ----
port 16380
bind 127.0.0.1  #
sentinel monitor mymaster 127.0.0.1 6379 2
sentinel down-after-milliseconds mymaster 5000
sentinel failover-timeout mymaster 15000
sentinel auth-pass mymaster abcd
## sentinelC ----
port 16381
bind 127.0.0.1  #
sentinel monitor mymaster 127.0.0.1 6379 2
sentinel down-after-milliseconds mymaster 5000
sentinel failover-timeout mymaster 15000
sentinel auth-pass mymaster abcd

4. 启动redis

   切换至master和slave路径下面分别执行,log将会打印到对应的log文件里面,控制台无其他输出

    redis-server.exe redis.windows.conf

5. 检查redis状态

c:\devtools\redis\Redis6379>redis-cli.exe -a abcd -p 6379    #host默认为127.0.0.1,不用加 -h

127.0.0.1:6379> info replication
# Replication
role:master
connected_slaves:2
slave0:ip=127.0.0.1,port=6380,state=online,offset=22570,lag=1
slave1:ip=127.0.0.1,port=6381,state=online,offset=22570,lag=1
master_replid:4fc3f06bc24da1f0ea199088d1de587bc8ddb65c
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:22570
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:22570

 

6. 启动sentinel

    c:\devtools\redis\Redis6379>redis-server.exe redis-sentinel.conf --sentinel

c:\devtools\redis\Redis6379>redis-server.exe redis-sentinel.conf --sentinel
[23364] 27 Mar 21:49:14.167 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
[23364] 27 Mar 21:49:14.167 # Redis version=5.0.14.1, bits=64, commit=ec77f72d, modified=0, pid=23364, just started
[23364] 27 Mar 21:49:14.168 # Configuration loaded
                _._
           _.-``__ ''-._
      _.-``    `.  `_.  ''-._           Redis 5.0.14.1 (ec77f72d/0) 64 bit
  .-`` .-```.  ```\/    _.,_ ''-._
 (    '      ,       .-`  | `,    )     Running in sentinel mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 16379
 |    `-._   `._    /     _.-'    |     PID: 23364
  `-._    `-._  `-./  _.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |           http://redis.io
  `-._    `-._`-.__.-'_.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |
  `-._    `-._`-.__.-'_.-'    _.-'
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

[23364] 27 Mar 21:49:14.182 # Sentinel ID is 1d0a81f07e988ed9f0a9392e82ea388083c68606
[23364] 27 Mar 21:49:14.183 # +monitor master mymaster 127.0.0.1 6379 quorum 2
[23364] 27 Mar 21:49:14.187 * +slave slave 127.0.0.1:6380 127.0.0.1 6380 @ mymaster 127.0.0.1 6379
[23364] 27 Mar 21:49:14.190 * +slave slave 127.0.0.1:6381 127.0.0.1 6381 @ mymaster 127.0.0.1 6379
[23364] 27 Mar 21:51:30.448 * +sentinel sentinel c94dde54d0f6aa124356d8a58c6be0a8c4ae8058 127.0.0.1 16380 @ mymaster 127.0.0.1 6379
[23364] 27 Mar 21:51:50.048 * +sentinel sentinel 4ffdae22c366d20bf3383b564496f25da76ced28 127.0.0.1 16381 @ mymaster 127.0.0.1 6379
[23364] 28 Mar 07:11:42.854 # +tilt #tilt mode entered
[23364] 28 Mar 07:12:12.893 # -tilt #tilt mode exited

 

7. 检查sentinel状态

c:\devtools\redis\Redis6379>redis-cli.exe -p 16380
127.0.0.1:16380> 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=mymaster,status=ok,address=127.0.0.1:6379,slaves=2,sentinels=3

 

8. 查看sentinel的可靠性,尝试关掉master

 



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