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https://issues.apache.org/jira/browse/HIVE-12187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003277#comment-15003277
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Jimmy Xiang commented on HIVE-12187:
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This is an enhancement. The backport is not clean. It is safer not to
backported. Thanks.
> Release plan once a query is executed
> --------------------------------------
>
> Key: HIVE-12187
> URL: https://issues.apache.org/jira/browse/HIVE-12187
> Project: Hive
> Issue Type: Improvement
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 2.0.0
>
> Attachments: HIVE-12187.1.patch, HIVE-12187.2.patch
>
>
> Some clients leave query operations open for a while so that they can
> retrieve the query results later. That means the allocated memory will be
> kept around too. We should release those resources not needed for query
> execution any more once it is executed.
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