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https://issues.apache.org/jira/browse/TAJO-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726595#comment-14726595
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Jihoon Son commented on TAJO-1722:
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I've rescheduled.
> Even distribution of intermediate data for join queries
> -------------------------------------------------------
>
> Key: TAJO-1722
> URL: https://issues.apache.org/jira/browse/TAJO-1722
> Project: Tajo
> Issue Type: Improvement
> Components: distributed query plan
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.12.0
>
>
> Data skew is one of the most important problems which affects to the query
> performance in distributed systems. To do handle this problem, we have used
> an algorithm for evenly distributing intermediate data for aggregation.
> This ticket is to apply our algorithm for join queries, too.
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