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https://issues.apache.org/jira/browse/HIVE-23140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076784#comment-17076784
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Ashutosh Chauhan commented on HIVE-23140:
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+1 thanks for verification Rajesh!
> Optimise file move in CTAS
> ---------------------------
>
> Key: HIVE-23140
> URL: https://issues.apache.org/jira/browse/HIVE-23140
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-23140.1.patch
>
>
> FileSinkOperator can be optimized to run file move operation (/_tmp.-ext -->
> /-ext-) in parallel fashion. Currently it invokes
> {{Utilities.moveSpecifiedFileStatus}} and renames in sequential mode causing
> delays in cloud storage. FS rename can be used (S3A internally has parallel
> rename operation).
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