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https://issues.apache.org/jira/browse/HIVE-15541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830639#comment-15830639
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Sergey Shelukhin commented on HIVE-15541:
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fireAndForget does not need conf. Not sure if Java is smart enough to remove it
from Runnable capture, I hope so (since it's not final and works anyway), but
removing it would be harmless
+1 can be fixed on commit
> Hive OOM when ATSHook enabled and ATS goes down
> -----------------------------------------------
>
> Key: HIVE-15541
> URL: https://issues.apache.org/jira/browse/HIVE-15541
> Project: Hive
> Issue Type: Bug
> Components: Hooks
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-15541.1.patch, HIVE-15541.2.patch,
> HIVE-15541.3.patch, HIVE-15541.4.patch
>
>
> The ATS API used by the Hive ATSHook is a blocking call, if ATS goes down
> this can block the ATSHook executor, while the hook continues to submit work
> to the executor with each query.
> Over time the buildup of queued items can cause OOM.
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