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https://issues.apache.org/jira/browse/ZOOKEEPER-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13135968#comment-13135968
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Daniel Gómez Ferro commented on ZOOKEEPER-442:
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When you set a watch you always send the request to the server, as the watch is
set through a getChildren()/exists()/... call. So I think this is not a problem.
> need a way to remove watches that are no longer of interest
> -----------------------------------------------------------
>
> Key: ZOOKEEPER-442
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-442
> Project: ZooKeeper
> Issue Type: Improvement
> Reporter: Benjamin Reed
> Assignee: Daniel Gómez Ferro
> Priority: Critical
> Attachments: ZOOKEEPER-442.patch, ZOOKEEPER-442.patch
>
>
> currently the only way a watch cleared is to trigger it. we need a way to
> enumerate the outstanding watch objects, find watch events the objects are
> watching for, and remove interests in an event.
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