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https://issues.apache.org/jira/browse/MAPREDUCE-1548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840910#action_12840910
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Allen Wittenauer commented on MAPREDUCE-1548:
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Actually no. :)
If tar is run as a super user, it can restore user and group information.
> Hadoop archives should be able to preserve times and other properties from
> original files
> -----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1548
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1548
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: harchive
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
>
> Files inside hadoop archives don't keep their original:
> - modification time
> - access time
> - permission
> - owner
> - group
> all such properties are currently taken from the file storing the archive
> index, and not the stored files. This doesn't look very correct.
> There should be possible to preserve the original properties of the stored
> files.
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