You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/09/14 15:41:34 UTC

[jira] [Resolved] (TAJO-662) The tasks of CTAS on a partitioned table should be fine grained

     [ https://issues.apache.org/jira/browse/TAJO-662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi resolved TAJO-662.
-------------------------------
    Resolution: Duplicate

> The tasks of CTAS on a partitioned table should be fine grained
> ---------------------------------------------------------------
>
>                 Key: TAJO-662
>                 URL: https://issues.apache.org/jira/browse/TAJO-662
>             Project: Tajo
>          Issue Type: Improvement
>          Components: data shuffle
>            Reporter: Hyunsik Choi
>             Fix For: 0.9.0
>
>
> CTAS on a partitioned table involves the shuffle phase. Unlike other shuffle required operators, such as groupby and join, the tasks after shuffle can be divided into fine grained tasks. In other words, intermediate data for the same hash key can be processed on multiple nodes.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)