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https://issues.apache.org/jira/browse/CURATOR-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706777#comment-13706777
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Eric Tschetter commented on CURATOR-14:
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If we are introducing a mechanism that allows for unregistering a listener, I
wonder if we need the Soft cache. A part of me thinks that the semantics
should be that recipes are in charge of unregistering their stuff and if they
don't, they have a bug. If we were to take that tact, then it would seem like
a Multimap would be just fine, I think?
Or, is there another reason to have the soft values that I'm not thinking of?
> 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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