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https://issues.apache.org/jira/browse/TAJO-84?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jinho Kim updated TAJO-84:
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Attachment: TAJO-84.patch
This patch improve disk performance. if
'dfs.datanode.hdfs-blocks-metadata.enabled' are enabled in hadoop
> Task scheduling with considering disk load balance
> --------------------------------------------------
>
> Key: TAJO-84
> URL: https://issues.apache.org/jira/browse/TAJO-84
> Project: Tajo
> Issue Type: Improvement
> Reporter: Hyunsik Choi
> Assignee: Jinho Kim
> Attachments: TAJO-84.patch
>
>
> After HDFS-3672, HDFS namenode provides not only block locations but also
> disk locations. With this information, Tajo can make scheduling decision with
> considering both locality and disk load balancing. It will improve query
> performance.
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