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单词拼写错误 #49

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Mar 7, 2019
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单词拼写错误 #49

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Update redis-sentinel.md 
update configuraiton to configuration
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@tccbest
tccbest committed Mar 7, 2019
commit 5cd74ae7cc72d2b9399c1350fa8b24eddcb1f822
4 changes: 2 additions & 2 deletions docs/high-concurrency/redis-sentinel.md
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Expand Up @@ -129,7 +129,7 @@ sdown 达成的条件很简单，如果一个哨兵 ping 一个 master，超过

如果第一个选举出的哨兵切换失败了，那么其他哨兵，会等待 failover-timeout 时间，然后接替继续执行切换，此时会重新获取一个新的 configuration epoch，作为新的 version 号。

## configuraiton 传播
## configuration 传播
哨兵完成切换之后，会在自己本地更新生成最新的 master 配置，然后同步给其他的哨兵，就是通过之前说的 pub/sub 消息机制。

这里之前的 version 号就很重要了，因为各种消息都是通过一个 channel 去发布和监听的，所以一个哨兵完成一次新的切换之后，新的 master 配置是跟着新的 version 号的。其他的哨兵都是根据版本号的大小来更新自己的 master 配置的。
这里之前的 version 号就很重要了，因为各种消息都是通过一个 channel 去发布和监听的，所以一个哨兵完成一次新的切换之后，新的 master 配置是跟着新的 version 号的。其他的哨兵都是根据版本号的大小来更新自己的 master 配置的。