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https://issues.apache.org/jira/browse/ZOOKEEPER-2217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600530#comment-14600530
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Caspian commented on ZOOKEEPER-2217:
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[~kylar] Thanks for your respond. Between the time of event fires and rewatch,
some events may happend, these events will be lost, right?
> event might lost before re-watch
> --------------------------------
>
> Key: ZOOKEEPER-2217
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2217
> Project: ZooKeeper
> Issue Type: Improvement
> Components: c client, java client
> Affects Versions: 3.4.5, 3.4.6
> Environment: jdk1.7_45 on centos6.5 and ubuntu14.4
> Reporter: Caspian
>
> I use zk to monitor the children nodes under a path, eg: /servers.
> when the client is told that children changes, I have to re-watch the path
> again, during the peroid, it's possible that some children down, or some up.
> And those events will be missed.
> For now, my temporary solution is not to use getChildren(path, true...) to
> get children and re-watch this path, but re-watch this path first, then get
> the children. Thus non events can be ignored, but I don't know what will the
> zk server be like if there are too much clients that act like this.
> How do you think of this problem? Is there any other solutions?
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