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https://issues.apache.org/jira/browse/MAPREDUCE-1548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843740#action_12843740
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Rodrigo Schmidt commented on MAPREDUCE-1548:
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I think most file properties should be stored inside the index file and
HadoopArchives should have an option to tell whether we want to preserve the
original file properties or assign new ones at creation time. On a personal
note, I think the default should be to keep the original file properties.
As for HarFileSystem, it should assign properties in the following way:
Filename, Length, isDir, ModificationTime, Permission, Owner, Group: from the
information stored inside the index file
Replication, BlockSize, AccessTime: from the part-xxx file storing the file
data.
I think this is as consistent as one can get.
> 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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