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https://issues.apache.org/jira/browse/HIVE-18326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317005#comment-16317005
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Sergey Shelukhin commented on HIVE-18326:
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[~sseth] I don't think it's the only place where we depend on that... anyway,
yeah, ideally it should be exposed properly. Does it have to be as part of the
major JIRA, or can we make an API specific change?
> LLAP Tez scheduler - only preempt tasks if there's a dependency between them
> ----------------------------------------------------------------------------
>
> Key: HIVE-18326
> URL: https://issues.apache.org/jira/browse/HIVE-18326
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 3.0.0
>
> Attachments: HIVE-18326.01.patch, HIVE-18326.02.patch,
> HIVE-18326.02.patch, HIVE-18326.patch
>
>
> It is currently possible for e.g. two sides of a union (or a join for that
> matter) to have slightly different priorities. We don't want to preempt
> running tasks on one side in favor of the other side in such cases.
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