总体部署

  • 一主二从三哨兵
  • ip地址分配分别为
  1. 主 127.0.0.1:6379
  2. 从 127.0.0.1:6389
  3. 从 127.0.0.1:6399
  4. 哨兵 127.0.0.1:26379
  5. 哨兵 127.0.0.1:26389
  6. 哨兵 127.0.0.1:26399

一主二从的配置文件 redis.conf设置

主的保持默认的不变

二个从的分别打开配置文件

找到设置端口的地方

分别设置为 6389 和6399

# Accept connections on the specified port, default is 6379 (IANA #815344).

# If port 0 is specified Redis will not listen on a TCP socket.

port 6389
# Accept connections on the specified port, default is 6379 (IANA #815344).

# If port 0 is specified Redis will not listen on a TCP socket.

port 6399

然后都在

# slaveof <masterip> <masterport>

一行的下面增加

slaveof 127.0.0.1 6379

这样主从的配置就ok了

三个哨兵的sentinel.conf配置

分别打开sentinel.conf配置文件

修改他们的端口为

26379 26389 26399

sentinel monitor mymaster 127.0.0.1 6379 2

配置中的这一行表示 我们要监视的主的ip和端口，mymaster是主的名称，因为我们的主是127.0.0.1:6379,所以三个哨兵中的这个地方都不用修改。

然后所有的配置就ok了，本地测试环境貌似需要改动的地方不多。

启动

  • 主

进入src目录

./redis-server ../redis.conf

25496:M 18 Feb 21:43:12.616 * Increased maximum number of open files to 10032 (it was originally set to 4864).

                _._

           _.-``__ ''-._

      _.-``    `.  `_.  ''-._           Redis 3.2.8 (00000000/0) 64 bit

  .-`` .-```.  ```\/    _.,_ ''-._

 (    '      ,       .-`  | `,    )     Running in standalone mode

 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379

 |    `-._   `._    /     _.-'    |     PID: 25496

  `-._    `-._  `-./  _.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |           http://redis.io

  `-._    `-._`-.__.-'_.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |

  `-._    `-._`-.__.-'_.-'    _.-'

      `-._    `-.__.-'    _.-'

          `-._        _.-'

              `-.__.-'

25496:M 18 Feb 21:43:12.618 # Server started, Redis version 3.2.8

25496:M 18 Feb 21:43:12.618 * DB loaded from disk: 0.000 seconds

25496:M 18 Feb 21:43:12.618 * The server is now ready to accept connections on port 6379

25496:M 18 Feb 21:43:21.196 * Slave 127.0.0.1:6389 asks for synchronization

25496:M 18 Feb 21:43:21.196 * Full resync requested by slave 127.0.0.1:6389

25496:M 18 Feb 21:43:21.196 * Starting BGSAVE for SYNC with target: disk

25496:M 18 Feb 21:43:21.197 * Background saving started by pid 25498

25498:C 18 Feb 21:43:21.198 * DB saved on disk

25496:M 18 Feb 21:43:21.198 * Background saving terminated with success

25496:M 18 Feb 21:43:21.198 * Synchronization with slave 127.0.0.1:6389 succeeded

25496:M 18 Feb 21:43:28.979 * Slave 127.0.0.1:6399 asks for synchronization

25496:M 18 Feb 21:43:28.979 * Full resync requested by slave 127.0.0.1:6399

25496:M 18 Feb 21:43:28.979 * Starting BGSAVE for SYNC with target: disk

25496:M 18 Feb 21:43:28.980 * Background saving started by pid 25500

25500:C 18 Feb 21:43:28.986 * DB saved on disk

25496:M 18 Feb 21:43:29.044 * Background saving terminated with success

25496:M 18 Feb 21:43:29.044 * Synchronization with slave 127.0.0.1:6399 succeeded
  • 从1

进入src目录

./redis-server ../redis.conf

25497:S 18 Feb 21:43:21.194 * Increased maximum number of open files to 10032 (it was originally set to 4864).

                _._

           _.-``__ ''-._

      _.-``    `.  `_.  ''-._           Redis 3.2.8 (00000000/0) 64 bit

  .-`` .-```.  ```\/    _.,_ ''-._

 (    '      ,       .-`  | `,    )     Running in standalone mode

 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6389

 |    `-._   `._    /     _.-'    |     PID: 25497

  `-._    `-._  `-./  _.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |           http://redis.io

  `-._    `-._`-.__.-'_.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |

  `-._    `-._`-.__.-'_.-'    _.-'

      `-._    `-.__.-'    _.-'

          `-._        _.-'

              `-.__.-'

25497:S 18 Feb 21:43:21.196 # Server started, Redis version 3.2.8

25497:S 18 Feb 21:43:21.196 * DB loaded from disk: 0.000 seconds

25497:S 18 Feb 21:43:21.196 * The server is now ready to accept connections on port 6389

25497:S 18 Feb 21:43:21.196 * Connecting to MASTER 127.0.0.1:6379

25497:S 18 Feb 21:43:21.196 * MASTER <-> SLAVE sync started

25497:S 18 Feb 21:43:21.196 * Non blocking connect for SYNC fired the event.

25497:S 18 Feb 21:43:21.196 * Master replied to PING, replication can continue...

25497:S 18 Feb 21:43:21.196 * Partial resynchronization not possible (no cached master)

25497:S 18 Feb 21:43:21.197 * Full resync from master: b17cd8764974c68bedacb2e5927a04e9ff15f7df:1

25497:S 18 Feb 21:43:21.198 * MASTER <-> SLAVE sync: receiving 108 bytes from master

25497:S 18 Feb 21:43:21.198 * MASTER <-> SLAVE sync: Flushing old data

25497:S 18 Feb 21:43:21.198 * MASTER <-> SLAVE sync: Loading DB in memory

25497:S 18 Feb 21:43:21.199 * MASTER <-> SLAVE sync: Finished with success
  • 从2

进入src目录

./redis-server ../redis.conf

25499:S 18 Feb 21:43:28.975 * Increased maximum number of open files to 10032 (it was originally set to 4864).

                _._

           _.-``__ ''-._

      _.-``    `.  `_.  ''-._           Redis 3.2.8 (00000000/0) 64 bit

  .-`` .-```.  ```\/    _.,_ ''-._

 (    '      ,       .-`  | `,    )     Running in standalone mode

 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6399

 |    `-._   `._    /     _.-'    |     PID: 25499

  `-._    `-._  `-./  _.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |           http://redis.io

  `-._    `-._`-.__.-'_.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |

  `-._    `-._`-.__.-'_.-'    _.-'

      `-._    `-.__.-'    _.-'

          `-._        _.-'

              `-.__.-'

25499:S 18 Feb 21:43:28.977 # Server started, Redis version 3.2.8

25499:S 18 Feb 21:43:28.977 * DB loaded from disk: 0.000 seconds

25499:S 18 Feb 21:43:28.977 * The server is now ready to accept connections on port 6399

25499:S 18 Feb 21:43:28.979 * Connecting to MASTER 127.0.0.1:6379

25499:S 18 Feb 21:43:28.979 * MASTER <-> SLAVE sync started

25499:S 18 Feb 21:43:28.979 * Non blocking connect for SYNC fired the event.

25499:S 18 Feb 21:43:28.979 * Master replied to PING, replication can continue...

25499:S 18 Feb 21:43:28.979 * Partial resynchronization not possible (no cached master)

25499:S 18 Feb 21:43:28.980 * Full resync from master: b17cd8764974c68bedacb2e5927a04e9ff15f7df:15

25499:S 18 Feb 21:43:29.044 * MASTER <-> SLAVE sync: receiving 108 bytes from master

25499:S 18 Feb 21:43:29.045 * MASTER <-> SLAVE sync: Flushing old data

25499:S 18 Feb 21:43:29.045 * MASTER <-> SLAVE sync: Loading DB in memory

25499:S 18 Feb 21:43:29.045 * MASTER <-> SLAVE sync: Finished with success
  • 哨兵1

进入src目录

./redis-sentinel ../sentinel.conf

25501:X 18 Feb 21:43:35.300 * Increased maximum number of open files to 10032 (it was originally set to 4864).

                _._

           _.-``__ ''-._

      _.-``    `.  `_.  ''-._           Redis 3.2.8 (00000000/0) 64 bit

  .-`` .-```.  ```\/    _.,_ ''-._

 (    '      ,       .-`  | `,    )     Running in sentinel mode

 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 26379

 |    `-._   `._    /     _.-'    |     PID: 25501

  `-._    `-._  `-./  _.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |           http://redis.io

  `-._    `-._`-.__.-'_.-'    _.-'

 |`-._`-._    `-.__.-'    _.-'_.-'|

 |    `-._`-._        _.-'_.-'    |

  `-._    `-._`-.__.-'_.-'    _.-'

      `-._    `-.__.-'    _.-'

          `-._        _.-'

              `-.__.-'

25501:X 18 Feb 21:43:35.301 # Sentinel ID is 6f3360c06cafe7807e2c1ae00fe7c791354b8b24

25501:X 18 Feb 21:43:35.301 # +monitor master mymaster 127.0.0.1 6379 quorum 2
  • 哨兵2和哨兵3启动过程相同

验证

新开一个命令行窗口进入redis的src目录，用redis-cli工具登录其中一个哨兵

./redis-cli -p 26379

连接成功后运行如下命令

sentinel master mymaster

结果如下

127.0.0.1:26379> sentinel master mymaster

 1) "name"

 2) "mymaster"

 3) "ip"

 4) "127.0.0.1"

 5) "port"

 6) "6379"

 7) "runid"

 8) "b17cd8764974c68bedacb2e5927a04e9ff15f7df"

 9) "flags"

10) "master"

11) "link-pending-commands"

12) "0"

13) "link-refcount"

14) "1"

15) "last-ping-sent"

16) "0"

17) "last-ok-ping-reply"

18) "703"

19) "last-ping-reply"

20) "703"

21) "down-after-milliseconds"

22) "30000"

23) "info-refresh"

24) "1090"

25) "role-reported"

26) "master"

27) "role-reported-time"

28) "3253725"

29) "config-epoch"

30) "0"

31) "num-slaves"

32) "2"

33) "num-other-sentinels"

34) "2"

35) "quorum"

36) "2"

37) "failover-timeout"

38) "180000"

39) "parallel-syncs"

40) "1"

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