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https://issues.apache.org/jira/browse/HIVE-22548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mahesh kumar behera updated HIVE-22548:
---------------------------------------
    Attachment:     (was: HIVE-22548.01.patch)

> Optimise Utilities.removeTempOrDuplicateFiles when moving files to final 
> location
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-22548
>                 URL: https://issues.apache.org/jira/browse/HIVE-22548
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 3.1.2
>            Reporter: Rajesh Balamohan
>            Assignee: mahesh kumar behera
>            Priority: Major
>
> {{Utilities.removeTempOrDuplicateFiles}}
> is very slow with cloud storage, as it executes {{listStatus}} twice and also 
> runs in single threaded mode.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java#L1629



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