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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2017/08/05 02:00:02 UTC

[jira] [Assigned] (HIVE-17256) add a notion of a guaranteed task to LLAP

     [ https://issues.apache.org/jira/browse/HIVE-17256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin reassigned HIVE-17256:
---------------------------------------


> add a notion of a guaranteed task to LLAP
> -----------------------------------------
>
>                 Key: HIVE-17256
>                 URL: https://issues.apache.org/jira/browse/HIVE-17256
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>
> Tasks are basically on two levels, guaranteed and speculative, with speculative being the default. As long as noone uses the new flag, the tasks behave the same.
> All the tasks that do have the flag also behave the same with regard to each other.
> The difference is that a guaranteed task is always higher priority, and preempts, a speculative task. 



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