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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6690) Deduplicate xattr names in memory
Date Wed, 16 Jul 2014 22:11:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064219#comment-14064219
] 

Colin Patrick McCabe commented on HDFS-6690:
--------------------------------------------

+1, assuming jenkins failures are unrelated (when can we get these build machines fixed :P
)

> Deduplicate xattr names in memory
> ---------------------------------
>
>                 Key: HDFS-6690
>                 URL: https://issues.apache.org/jira/browse/HDFS-6690
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.5.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>         Attachments: hdfs-6690.001.patch, hdfs-6690.002.patch, hdfs-6690.003.patch
>
>
> When the same string is used repeatedly for an xattr name, we could potentially save
some NN memory by deduplicating the strings.



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