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https://issues.apache.org/jira/browse/HIVE-22548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16989710#comment-16989710
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Steve Loughran commented on HIVE-22548:
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OK.
BTW, if you call toString on the S3A connector you get a dump of its metrics;
you can just do a LOG.debug("FS {}", fs) to get this @ debug level
> 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
> Attachments: HIVE-22548.01.patch, HIVE-22548.02.patch
>
>
> {{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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