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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HADOOP-561) one replica of a file should be written locally if possible
Date Fri, 13 Oct 2006 00:16:36 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-561?page=all ]

dhruba borthakur reassigned HADOOP-561:
---------------------------------------

    Assignee: dhruba borthakur

> one replica of a file should be written locally if possible
> -----------------------------------------------------------
>
>                 Key: HADOOP-561
>                 URL: http://issues.apache.org/jira/browse/HADOOP-561
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Yoram Arnon
>         Assigned To: dhruba borthakur
>
> one replica of a file should be written locally if possible. That's currently not the
case.
> Copying a 1GB file using hadoop dfs -cp running on one of the cluster nodes, all the
blocks were written to remote nodes, as seen by fsck -files -blocks -locations on the newly
created file.
> as long as there is sufficient space locally, a local copy has significant performance
benefits.

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