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Posted to dev@curator.apache.org by "Jordan Zimmerman (JIRA)" <ji...@apache.org> on 2013/07/12 00:15:48 UTC

[jira] [Comment Edited] (CURATOR-14) Memory leak in Curator watches

    [ https://issues.apache.org/jira/browse/CURATOR-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706290#comment-13706290 ] 

Jordan Zimmerman edited comment on CURATOR-14 at 7/11/13 10:14 PM:
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In DispatchingWatcher, why is the key to the watchers a UUID instead of the ZNode path?

More - why can't ids and watchers maps be combined?
                
      was (Author: randgalt):
    In DispatchingWatcher, why is the key to the watchers a UUID instead of the ZNode path?
                  
> Memory leak in Curator watches
> ------------------------------
>
>                 Key: CURATOR-14
>                 URL: https://issues.apache.org/jira/browse/CURATOR-14
>             Project: Apache Curator
>          Issue Type: New Feature
>          Components: Recipes
>    Affects Versions: 2.0.0-incubating
>            Reporter: Brandon Beck
>            Priority: Minor
>         Attachments: CURATOR-14-dispatchingwatcher.patch, CURATOR-14-draft-2.patch, CURATOR-14-draft-3.patch, CURATOR-14.patch, MemoryTest.java
>
>
> The JVM runs out of memory if you repetitively create a PathChildrenCache, start it then immediately stop it.  It appears that the memory is taken up by a watch that isn't ever cleaned up.  Curator attempts to do some pooling of watches, but doesn't seem to use the path in the pooling.

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