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Posted to issues@tez.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2017/09/05 17:57:00 UTC

[jira] [Assigned] (TEZ-1069) Support ability to re-size a task attempt when previous attempts fail due to resource constraints

     [ https://issues.apache.org/jira/browse/TEZ-1069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Badger reassigned TEZ-1069:
--------------------------------

    Assignee: Eric Badger  (was: Jeff Zhang)

> 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: Eric Badger
>         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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