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https://issues.apache.org/jira/browse/HIVE-12583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15038545#comment-15038545
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Thejas M Nair commented on HIVE-12583:
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FYI [~wzheng]
> HS2 ShutdownHookManager holds extra of Driver instance
> -------------------------------------------------------
>
> Key: HIVE-12583
> URL: https://issues.apache.org/jira/browse/HIVE-12583
> Project: Hive
> Issue Type: Bug
> Components: Locking
> Affects Versions: 1.3.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Attachments: HIVE-12583.1.patch, HIVE-12583.2.patch
>
>
> HIVE-12266 add a shutdown hook for every Driver instance to release the lock
> th session holds in case Driver does not exist elegantly. However, that holds
> all Driver instances and HS2 may run out of memory.
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