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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2547) TestDFSIO failes on a physical cluster
Date Tue, 31 May 2011 01:13:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041358#comment-13041358
] 

Konstantin Boudnik commented on MAPREDUCE-2547:
-----------------------------------------------

Steps to reproduce:
- setup cluster from [these bits|https://builds.apache.org/job/Hadoop-22-Build/]
- apply [simple configs|https://github.com/rvs/hdeploy/tree/master/conf]
- start cluster
- run TestDFSIO: 
{noformat}
$HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/hadoop-mapred-test-0.22.0-SNAPSHOT.jar TestDFSIO
-write -nrFiles 100 -fileSize 10MB
{noformat}

> TestDFSIO failes on a physical cluster
> --------------------------------------
>
>                 Key: MAPREDUCE-2547
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2547
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.22.0
>         Environment: Physical cluster based on 0.22-SNAPSHOT
>            Reporter: Konstantin Boudnik
>            Priority: Blocker
>
> An attempt to run TestDSFIO on cluster fails because TestDFSIO tries to run MR job with
local runner. If JT is explicitly specified via {{-jt}} cmd. arg. then everything is working
as expected.

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