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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6948) DN rejects blocks if it has older UC block
Date Fri, 19 Sep 2014 13:53:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140598#comment-14140598
] 

Kihwal Lee commented on HDFS-6948:
----------------------------------

I've committed this to trunk and cherry-picked to branch-2. Thanks for working on the fix,
Eric.

> DN rejects blocks if it has older UC block
> ------------------------------------------
>
>                 Key: HDFS-6948
>                 URL: https://issues.apache.org/jira/browse/HDFS-6948
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Eric Payne
>         Attachments: HDFS-6948.201409052147.txt, HDFS-6948.201409081817.txt, HDFS-6948.201409101802.txt
>
>
> DNs appear to always reject blocks, even with newer genstamps, if it already has a UC
copy in its tmp dir.
> {noformat}ReplicaAlreadyExistsException: Block
> XXX already
> exists in state TEMPORARY and thus cannot be created{noformat}



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