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https://issues.apache.org/jira/browse/MAPREDUCE-1548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12841002#action_12841002
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Rodrigo Schmidt commented on MAPREDUCE-1548:
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What about the access time? I wasn't thinking of storing it in the index file.
We could take the access time from the part file, but that might not be
correct. Imagine two files are stored inside the same part file and we access
only one of them. If we query the access time of the untouched file, it'll be
wrong (showing it has been accessed when it has not). Should we just keep the
original last acess time before har, the har creation time, and provide this
information always, or should we do something else?
> 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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