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https://issues.apache.org/jira/browse/TAJO-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893132#comment-13893132
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Jinho Kim commented on TAJO-588:
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I've uploaded the second patch that improve initial delay
> 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, TAJO-588_20140206_16:30:08.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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