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From "Jonathan Eagles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-1069) Support ability to re-size a task attempt when previous attempts fail due to resource constraints
Date Thu, 28 Feb 2019 17:23:00 GMT

    [ https://issues.apache.org/jira/browse/TEZ-1069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16780763#comment-16780763
] 

Jonathan Eagles commented on TEZ-1069:
--------------------------------------

Planning on closing this as won't fix unless I hear objects

> Support ability to re-size a task attempt when previous attempts fail due to resource
constraints
> -------------------------------------------------------------------------------------------------
>
>                 Key: TEZ-1069
>                 URL: https://issues.apache.org/jira/browse/TEZ-1069
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Hitesh Shah
>            Assignee: Jeff Zhang
>            Priority: Major
>         Attachments: TEZ-1069-1.patch
>
>
> Consider a case where attempts for the final stage in a long DAG fails due to out of
memory. In such a scenario, the framework  ( or via the base vertex manager ) should be able
to change the task specifications on the fly to trigger a re-run with modified specs. 
> Changes could be both java opts changes as well as container resource requirements. 



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