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https://issues.apache.org/jira/browse/HADOOP-13145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-13145:
------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
+1
applied the branch-2.8 patch, tested, all is well.
> In DistCp, prevent unnecessary getFileStatus call when not preserving
> metadata.
> -------------------------------------------------------------------------------
>
> Key: HADOOP-13145
> URL: https://issues.apache.org/jira/browse/HADOOP-13145
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools/distcp
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 2.8.0
>
> Attachments: HADOOP-13145-branch-2.004.patch,
> HADOOP-13145-branch-2.8.004.patch, HADOOP-13145.001.patch,
> HADOOP-13145.003.patch
>
>
> After DistCp copies a file, it calls {{getFileStatus}} to get the
> {{FileStatus}} from the destination so that it can compare to the source and
> update metadata if necessary. If the DistCp command was run without the
> option to preserve metadata attributes, then this additional
> {{getFileStatus}} call is wasteful.
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