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