基于Sentinel的Redis高可用方案

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15947:X 13 Aug 21:45:33.882 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.　　
15947:X 13 Aug 21:45:33.893 # Sentinel ID is 5c3033c0ea6d1e0d861e9d9e99e94edb49c5daac
　　
15947:X 13 Aug 21:45:33.893 # +monitor master master1 10.1.4.99 6379 quorum 2
　　
15947:X 13 Aug 21:45:33.894 * +slave slave 10.1.4.82:6379 10.1.4.82 6379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:45:39.170 * Increased maximum number of open files to 10032 (it was originally set to 1024).
　　
                _._
　　
           _.-``__ ''-._
　　
      _.-``    `.  `_.  ''-._           Redis 3.2.9 (00000000/0) 64 bit
　　
  .-`` .-```.  ```\/    _.,_ ''-._
　　
(    '      ,       .-`  | `,    )     Running in sentinel mode
　　
|`-._`-...-` __...-.``-._|'` _.-'|     Port: 26380
　　
|    `-._   `._    /     _.-'    |     PID: 15951
　　
  `-._    `-._  `-./  _.-'    _.-'
　　
|`-._`-._    `-.__.-'    _.-'_.-'|
　　
|    `-._`-._        _.-'_.-'    |           http://redis.io
　　
  `-._    `-._`-.__.-'_.-'    _.-'
　　
|`-._`-._    `-.__.-'    _.-'_.-'|
　　
|    `-._`-._        _.-'_.-'    |
　　
  `-._    `-._`-.__.-'_.-'    _.-'
　　
      `-._    `-.__.-'    _.-'
　　
          `-._        _.-'
　　
              `-.__.-'
　　

　　
15951:X 13 Aug 21:45:39.171 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
　　
15951:X 13 Aug 21:45:39.174 # Sentinel ID is b73258f1019f65c5fee3b88b9c2eae7f85d985f3
　　
15951:X 13 Aug 21:45:39.174 # +monitor master master1 10.1.4.99 6379 quorum 2
　　
15951:X 13 Aug 21:45:39.175 * +slave slave 10.1.4.82:6379 10.1.4.82 6379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:45:40.025 * +sentinel sentinel 5c3033c0ea6d1e0d861e9d9e99e94edb49c5daac 10.1.4.82 26379 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:45:41.196 * +sentinel sentinel b73258f1019f65c5fee3b88b9c2eae7f85d985f3 10.1.4.82 26380 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:45:57.729 * +sentinel sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:45:57.729 * +sentinel sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:46:05.114 * +sentinel sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:46:05.115 * +sentinel sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:16.648 # +sdown master master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:20.907 # +sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:20.908 # +sdown sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:47:20.908 # +sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:20.979 # +tilt #tilt mode entered
　　
15947:X 13 Aug 21:47:20.979 # +tilt #tilt mode entered
　　
15947:X 13 Aug 21:47:50.982 # -tilt #tilt mode exited
　　
15947:X 13 Aug 21:47:50.983 # -sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:51.030 # -tilt #tilt mode exited
　　
15951:X 13 Aug 21:47:51.030 # -sdown master master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:51.030 # -sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15951:X 13 Aug 21:47:51.030 # -sdown sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:48:42.378 # +sdown sentinel b73258f1019f65c5fee3b88b9c2eae7f85d985f3 10.1.4.82 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:49:06.458 # -sdown sentinel b73258f1019f65c5fee3b88b9c2eae7f85d985f3 10.1.4.82 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:49:42.140 # +sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:50:59.960 # +sdown sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:51:20.923 # -sdown sentinel 361c7d3014a041a1a74163355882d88f5fab7581 10.1.4.99 26379 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:51:26.062 # -sdown sentinel 76d5a26748410e72ca703e255f44a5ed2b3f83e4 10.1.4.99 26380 @ master1 10.1.4.99 6379
　　
15947:X 13 Aug 21:52:20.592 # User requested shutdown...
　　
15947:X 13 Aug 21:52:20.592 * Removing the pid file.
　　
15947:X 13 Aug 21:52:20.592 # Sentinel is now ready to exit, bye bye...
　　
17056:X 13 Aug 21:53:18.720 * Increased maximum number of open files to 10032 (it was originally set to 1024).
　　
                _._
　　
           _.-``__ ''-._
　　
      _.-``    `.  `_.  ''-._           Redis 3.2.9 (00000000/0) 64 bit
　　
  .-`` .-```.  ```\/    _.,_ ''-._
　　
(    '      ,       .-`  | `,    )     Running in sentinel mode
　　
|`-._`-...-` __...-.``-._|'` _.-'|     Port: 26379
　　
|    `-._   `._    /     _.-'    |     PID: 17056
　　
  `-._    `-._  `-./  _.-'    _.-'
　　
|`-._`-._    `-.__.-'    _.-'_.-'|
　　
|    `-._`-._        _.-'_.-'    |           http://redis.io
　　
  `-._    `-._`-.__.-'_.-'    _.-'
　　
|`-._`-._    `-.__.-'    _.-'_.-'|
　　
|    `-._`-._        _.-'_.-'    |
　　
  `-._    `-._`-.__.-'_.-'    _.-'
　　
      `-._    `-.__.-'    _.-'
　　
          `-._        _.-'
　　
              `-.__.-'
　　

　　
17056:X 13 Aug 21:53:18.721 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
　　
17056:X 13 Aug 21:53:18.721 # Sentinel ID is 5c3033c0ea6d1e0d861e9d9e99e94edb49c5daac
　　
17056:X 13 Aug 21:53:18.721 # +monitor master master1 10.1.4.99 6379 quorum 2
　　
17056:X 13 Aug 21:53:29.549 # +sdown master master1 10.1.4.99 6379
　　
17056:X 13 Aug 21:53:29.643 # +new-epoch 1
　　
17056:X 13 Aug 21:53:29.645 # +vote-for-leader b73258f1019f65c5fee3b88b9c2eae7f85d985f3 1
　　
17056:X 13 Aug 21:53:29.645 # +odown master master1 10.1.4.99 6379 #quorum 2/2
　　
17056:X 13 Aug 21:53:29.645 # Next failover delay: I will not start a failover before Sun Aug 13 21:53:39 2017
　　
17056:X 13 Aug 21:53:30.241 # +config-update-from sentinel b73258f1019f65c5fee3b88b9c2eae7f85d985f3 10.1.4.82 26380 @ master1 10.1.4.99 6379
　　
17056:X 13 Aug 21:53:30.241 # +switch-master master1 10.1.4.99 6379 10.1.4.82 6379
　　
17056:X 13 Aug 21:53:30.241 * +slave slave 10.1.4.99:6379 10.1.4.99 6379 @ master1 10.1.4.82 6379
　　
17056:X 13 Aug 21:53:35.285 # +sdown slave 10.1.4.99:6379 10.1.4.99 6379 @ master1 10.1.4.82 6379
　　
17056:X 13 Aug 21:54:02.488 # -sdown slave 10.1.4.99:6379 10.1.4.99 6379 @ master1 10.1.4.82 6379
　　
17056:X 13 Aug 21:54:12.441 * +convert-to-slave slave 10.1.4.99:6379 10.1.4.99 6379 @ master1 10.1.4.82 6379