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https://issues.apache.org/jira/browse/HIVE-20979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shubham Chaurasia updated HIVE-20979:
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Attachment: HIVE-20979.5.patch
> 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,
> HIVE-20979.2.patch, HIVE-20979.3.patch, HIVE-20979.4.patch, HIVE-20979.5.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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