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Posted to dev@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2013/10/27 12:35:30 UTC

[jira] [Updated] (TAJO-266) Extend ExecutionBlock and Task to support multiple outputs

     [ https://issues.apache.org/jira/browse/TAJO-266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jihoon Son updated TAJO-266:
----------------------------

    Attachment: convert execution plan.jpg
                optimized master plan.jpg
                current master plan.jpg

> Extend ExecutionBlock and Task to support multiple outputs
> ----------------------------------------------------------
>
>                 Key: TAJO-266
>                 URL: https://issues.apache.org/jira/browse/TAJO-266
>             Project: Tajo
>          Issue Type: Task
>          Components: distributed query plan, worker
>            Reporter: Jihoon Son
>            Assignee: Jihoon Son
>         Attachments: convert execution plan.jpg, current master plan.jpg, optimized master plan.jpg
>
>
> In the current Tajo, every task has the only one output.
> However, supporting multiple outputs per task very useful for the distributed plan optimization.



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