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https://issues.apache.org/jira/browse/HIVE-14311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390191#comment-15390191
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Eugene Koifman commented on HIVE-14311:
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+1 pending tests
> No need to schedule Heartbeat task if the query doesn't require locks
> ---------------------------------------------------------------------
>
> Key: HIVE-14311
> URL: https://issues.apache.org/jira/browse/HIVE-14311
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 1.3.0, 2.2.0, 2.1.1
> Reporter: Wei Zheng
> Assignee: Wei Zheng
> Attachments: HIVE-14311.1.patch
>
>
> Otherwise the Heartbeat task will just stay there and not be cleaned up,
> which may cause OOM eventually.
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