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https://issues.apache.org/jira/browse/TAJO-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739297#comment-13739297
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Hyunsik Choi commented on TAJO-91:
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Hi Hyungjun Kim,
I've finished the review on this patch. It's really great work. I've also
tested it on a real hadoop cluster. It works well. I appreciate your
contribution! I've committed it after some trivial modifications, such as
coding convention.
Thank you!
> Launch QueryMaster on NodeManager per query
> -------------------------------------------
>
> Key: TAJO-91
> URL: https://issues.apache.org/jira/browse/TAJO-91
> Project: Tajo
> Issue Type: Sub-task
> Components: master
> Reporter: hyoungjunkim
> Assignee: hyoungjunkim
> Fix For: 0.3-incubating
>
> Attachments: TAJO-91.patch
>
>
> In the current implementation, TajoMaster creates a QueryMaster per qeury in
> same JVM. If many queries run concurrently, TajoMaster is bottleneck.
> TajoMaster launches QueryMaster on NodeManager when query requested.
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