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https://issues.apache.org/jira/browse/HIVE-20979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701973#comment-16701973
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Prasanth Jayachandran commented on HIVE-20979:
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+1, pending tests. [~ShubhamChaurasia] could you please reupload patch (bump up
the version) until you a get a green test run (requirement for commit)?
> Fix memory leak in hive streaming
> ---------------------------------
>
> Key: HIVE-20979
> URL: https://issues.apache.org/jira/browse/HIVE-20979
> Project: Hive
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 3.1.1
> Reporter: Shubham Chaurasia
> Assignee: Shubham Chaurasia
> Priority: Critical
> Labels: pull-request-available
> Attachments: HIVE-20979.1.patch, HIVE-20979.1.patch
>
>
> {{1) HiveStreamingConnection.Builder#init() adds a shutdown hook handler via
> }}{{ShutdownHookManager.addShutdownHook but it is never removed which causes
> all the handlers to accumulate and hence a memory leak.}}
> 2) AbstractRecordWriter creates an instance of FileSystem but does not close
> it which in turn causes a leak due to accumulation in FileSystem$Cache#map
>
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