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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2006) ability to support storing extended attributes per file
Date Mon, 16 Jun 2014 14:10:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14032447#comment-14032447
] 

Hudson commented on HDFS-2006:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1776 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1776/])
Moved CHANGES.txt entries of MAPREDUCE-5898, MAPREDUCE-5920, HDFS-6464, HDFS-6375 from trunk
to 2.5 section on merging HDFS-2006 to branch-2 (umamahesh: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1602699)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt


> ability to support storing extended attributes per file
> -------------------------------------------------------
>
>                 Key: HDFS-2006
>                 URL: https://issues.apache.org/jira/browse/HDFS-2006
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: HDFS XAttrs (HDFS-2006)
>            Reporter: dhruba borthakur
>            Assignee: Yi Liu
>             Fix For: 3.0.0, 2.5.0
>
>         Attachments: ExtendedAttributes.html, HDFS-2006-Branch-2-Merge.patch, HDFS-2006-Merge-1.patch,
HDFS-2006-Merge-2.patch, HDFS-XAttrs-Design-1.pdf, HDFS-XAttrs-Design-2.pdf, HDFS-XAttrs-Design-3.pdf,
Test-Plan-for-Extended-Attributes-1.pdf, xattrs.1.patch, xattrs.patch
>
>
> It would be nice if HDFS provides a feature to store extended attributes for files, similar
to the one described here: http://en.wikipedia.org/wiki/Extended_file_attributes. 
> The challenge is that it has to be done in such a way that a site not using this feature
does not waste precious memory resources in the namenode.



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