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https://issues.apache.org/jira/browse/TAJO-2126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253815#comment-15253815
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ASF GitHub Bot commented on TAJO-2126:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/1003#issuecomment-213398365
Yep, I agree. I think that this patch will enhance the machine resource
utilization instead of causing more shuffle cost.
+1 LGTM
> Allow parallel execution of non-leaf sibling ExecutionBlocks
> ------------------------------------------------------------
>
> Key: TAJO-2126
> URL: https://issues.apache.org/jira/browse/TAJO-2126
> Project: Tajo
> Issue Type: Improvement
> Components: Scheduler
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Fix For: 0.12.0
>
>
> Execution of sibling ExecutionBlocks were blocked due to some reasons like
> too many concurrent disk access or some bugs of invalid query results. Since
> these problems are fixed, we need to allow it.
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