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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-544) Add a "rbw" sub directory to DataNode data directory
Date Mon, 24 Aug 2009 21:01:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747068#action_12747068
] 

Konstantin Shvachko commented on HDFS-544:
------------------------------------------

> I do not think it is a good idea to have a static method in core to support only unit
tests. 

It is not only to support tests. It is the definition of the finalized directory name.

> Add a "rbw" sub directory to DataNode data directory
> ----------------------------------------------------
>
>                 Key: HDFS-544
>                 URL: https://issues.apache.org/jira/browse/HDFS-544
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>    Affects Versions: Append Branch
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: Append Branch
>
>         Attachments: datanodeOnDiskLayout.patch, datanodeOnDiskLayout1.patch, datanodeOnDiskLayout2.patch
>
>
> Add a "rbw" sub directory to DataNode to persist RBW, RWR, and RUR replicas.

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