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Posted to common-dev@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2009/03/25 21:19:59 UTC

[jira] Commented: (HADOOP-1491) After successful distcp, couple of checksum error files

    [ https://issues.apache.org/jira/browse/HADOOP-1491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689228#action_12689228 ] 

Hudson commented on HADOOP-1491:
--------------------------------

Integrated in Hadoop-trunk #790 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/790/])
    .  In contrib/index, better control memory usage.  Contributed by Ning Li.


> After successful distcp, couple of checksum error files
> -------------------------------------------------------
>
>                 Key: HADOOP-1491
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1491
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.12.3
>            Reporter: Koji Noguchi
>            Assignee: dhruba borthakur
>         Attachments: mapper1.txt, mapper2.txt
>
>
> Tried copying 700,000 files  with distcp. 8 mappers per node.  Single dfs.client.buffer.dir.
> Distcp ran on 25 nodes mapreduce.
> Couple of tasks failed, but job was successful. 
> When checked, 12  files were corrupted. (Checksum error)
> This is repeatable.
> I'll add more information as we find.

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