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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1675) Transfer RBW between datanodes
Date Wed, 09 Mar 2011 01:15:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004322#comment-13004322
] 

Tsz Wo (Nicholas), SZE commented on HDFS-1675:
----------------------------------------------

> In the test, after the call to transferRbw, we should also compare the rbw on the new
node.

Jitendra, this is a good catch!  Thanks.  It turns out that the replica created in destination
is a temporary but not a RBW.  Need some works.

> Overall, it looks good. So RBW will be copied to the tmp directory at the receiver side
as what finalized replicas are replicated, right? I think it should get moved to the rbw directory
and rbw map after copy is done.

Hairong, thanks for taking a look.  The idea is to create a RBW in destination but not finalize
it.  So no further move is required.

> Transfer RBW between datanodes
> ------------------------------
>
>                 Key: HDFS-1675
>                 URL: https://issues.apache.org/jira/browse/HDFS-1675
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h1675_20110228.patch, h1675_20110228b.patch
>
>
> This is the step \(*) described [here|https://issues.apache.org/jira/browse/HDFS-1606?focusedCommentId=12991321&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12991321].

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