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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CURATOR-477) Ability to turn off Zk Watches in Curator Framework
Date Tue, 25 Sep 2018 07:41:00 GMT

    [ https://issues.apache.org/jira/browse/CURATOR-477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626929#comment-16626929
] 

ASF GitHub Bot commented on CURATOR-477:
----------------------------------------

Github user ramaraochavali commented on the issue:

    https://github.com/apache/curator/pull/278
  
    @dragonsinth sorry. Added one more commit for exists check also. can you PTAL?


> Ability to turn off Zk Watches in Curator Framework
> ---------------------------------------------------
>
>                 Key: CURATOR-477
>                 URL: https://issues.apache.org/jira/browse/CURATOR-477
>             Project: Apache Curator
>          Issue Type: Improvement
>          Components: Framework
>    Affects Versions: 4.0.1
>            Reporter: Rama Chavali
>            Priority: Major
>
> In our use case, we use *{{TreeCache}}* to get Zk Data periodically. We start *{{TreeCache}}* read
data and close it. In this use case, The {{ZkWatchManager}} of {{ZooKeeper}} class keeps
growing for every TreeCache operation because new {{TreeNode}} objects are created and added
there leading to a memory leak. Also since we do not want the Watcher to periodically watch,
this creates unnecessary background operations.
> Can we introduce a builder flag in CuratorFramework's Builder some thing called "createZkWatches"
that we can use to turn the watchers off? The default would be set to true to retain the current
behaviour.
>  



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