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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-619) Support replica recovery initialization in datanode
Date Tue, 15 Sep 2009 21:41:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755712#action_12755712
] 

Konstantin Boudnik commented on HDFS-619:
-----------------------------------------

Sounds like the test case you have here relates to some of the scenarios described by some
of testplan's BlockRecovery_02 cases. If so, would it make sense to sync the names of the
test methods.
 
Also, it is quite possible that that we don't need that complex testing scenarios for Block
recovery. I'm willing to reconsider this section of the test plan :-)

> Support replica recovery initialization in datanode
> ---------------------------------------------------
>
>                 Key: HDFS-619
>                 URL: https://issues.apache.org/jira/browse/HDFS-619
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>    Affects Versions: Append Branch
>            Reporter: Tsz Wo (Nicholas), SZE
>             Fix For: Append Branch
>
>         Attachments: h619_20090914.patch, h619_20090914b.patch, h619_20090915.patch,
h619_20090915b.patch
>
>
> In the [append design|https://issues.apache.org/jira/secure/attachment/12415768/appendDesign2.pdf],
there is a block recovery algorithm presented in Section 6.5.  We are going to implement step
4a, datanode replica recovery initialization, in this issue.

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