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jodis如何保证proxy下线时获取的client可用？（ZK通知有延迟、感知proxy下线需要时间） #59

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flyfeifei66 opened this issue Sep 17, 2018 · 4 comments
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jodis如何保证proxy下线时获取的client可用？（ZK通知有延迟、感知proxy下线需要时间） #59

flyfeifei66 opened this issue Sep 17, 2018 · 4 comments

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@flyfeifei66
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ZK感知proxy下线需要几秒钟的时间，这时客户端获取client会不会不可用？
@Apache9
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Apache9 commented Sep 17, 2018

会的，这个按照目前jodis的设计没法避免

@flyfeifei66
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会的，这个按照目前jodis的设计没法避免

啥意思？借鉴dubbo等RPC的做法，都有failover重试的。

@Apache9
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Apache9 commented Sep 18, 2018

Jodis就是在Jedis上简单包了一层，你之后请求出错什么的都直接是Jedis处理了，Jodis那个wrapper啥信息也拿不到。想支持failover重试的话得大改了

@liaozhenyi
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可以稍微改造一下proxy，下线前先摘ZK的临时节点，等待一会再退出，等待过程继续对外提供服务。

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@Apache9 @liaozhenyi @flyfeifei66