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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-18326) LLAP Tez scheduler - only preempt tasks if there's a dependency between them
Date Thu, 21 Dec 2017 22:25:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-18326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-18326:
------------------------------------
    Description: 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.

> 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
>         Attachments: 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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