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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:
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Status: Patch Available (was: Open)
> 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
> Attachments: 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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