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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6948) DN rejects blocks if it has older UC block
Date Sat, 20 Sep 2014 13:52:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141974#comment-14141974
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Hudson commented on HDFS-6948:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1877 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1877/])
HDFS-6948. DN rejects blocks if it has older UC block. Contributed by (kihwal: rev f02d934fedf00f0ce43d6f3f9b06d89ccc6851a5)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestWriteToReplica.java


> 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
>             Fix For: 2.6.0
>
>         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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