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Posted to issues@tajo.apache.org by "Jinho Kim (JIRA)" <ji...@apache.org> on 2014/02/05 15:52:11 UTC

[jira] [Updated] (TAJO-588) In some case, leaf task of DefaultTaskScheduler are not distributed execution

     [ https://issues.apache.org/jira/browse/TAJO-588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinho Kim updated TAJO-588:
---------------------------

    Attachment: TAJO-588.patch

>  In some case, leaf task of DefaultTaskScheduler are not distributed execution
> ------------------------------------------------------------------------------
>
>                 Key: TAJO-588
>                 URL: https://issues.apache.org/jira/browse/TAJO-588
>             Project: Tajo
>          Issue Type: Bug
>          Components: planner/optimizer
>    Affects Versions: 0.8-incubating
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>         Attachments: TAJO-588.patch
>
>
> Leaf task of DefaultTaskScheduler should be fragment size
> If initial request of leaf task is small size, most tasks will be allocate to single node.



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