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https://issues.apache.org/jira/browse/PIG-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haitao Yao updated PIG-2917:
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Attachment: aa.jpg
here's the screenshots of MemoryAnalyzer.
> SpillableMemoryManager memory leak for WeakReference
> ----------------------------------------------------
>
> Key: PIG-2917
> URL: https://issues.apache.org/jira/browse/PIG-2917
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.11
> Reporter: Haitao Yao
> Attachments: aa.jpg, SpillableMemoryManager.patch
>
>
> Sine the SpillableMemoryManager subscribed the memory notifications, and hold
> a weak reference of all the spillable, if there's too many weak reference and
> the memory exceeds the threshold, the current code will not clear the
> spillable weak references.
> the details is illustrated in the attached screenshot of a MemoryAnalyzer.
> So we need to clear the spillables when the memory notifications is received.
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