CodisLabs / CodisLabs/codis

group中的master与zk断连或超时问题

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Description

当group的master机器与zk的连接request time out 时,则会导致Mem Used出现下图情况,
![image](https://cloud.githubusercontent.com/assets/8498102/23300703/bd2201c0-fac1-11e6-9e7e-bb2312dfcb83.png)
并且集群不能正常提供服务,报错为:
![image](https://cloud.githubusercontent.com/assets/8498102/23300747/f18e69f8-fac1-11e6-94a7-ab73c73ff1e8.png)

个人建议:当出现这种情况时,应该自动将slave升为主;不清楚我理解的对不对,望指点一二。

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