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Date: Mon, 21 Nov 2011 17:56:52 +0000 (UTC)
From: "Alejandro Abdelnur (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HDFS-2415) Move MiniDFS out of test JAR and
 into the main hadoop-hdfs JAR
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    [ https://issues.apache.org/jira/browse/HDFS-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154320#comment-13154320 ] 

Alejandro Abdelnur commented on HDFS-2415:
------------------------------------------

So far downstream projects has been using Mini DFS/Cluster successfully for testing by including the Hadoop TEST JARs in their classpath. The Hadoop TEST JARs are being published to the Maven repos, thus easily available. 

If we move the miniclusters somewhere it should be to a 'test tools' module where they would live on their own without all the Hadoop testcases, I would not move it to the main JARs.

If there is a problem with logging with the Mini clusters we should fix that.
                
> Move MiniDFS out of test JAR and into the main hadoop-hdfs JAR
> --------------------------------------------------------------
>
>                 Key: HDFS-2415
>                 URL: https://issues.apache.org/jira/browse/HDFS-2415
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>            Reporter: Steve Loughran
>            Priority: Minor
>
> This is just an idea: move the MiniDFS cluster out of the Hadoop test JAR and into the main redistributable.
> This would make it easier for people downstream to use it. It is the easiest way to bring up a DFS cluster in a single JVM, and with the MiniMR cluster is a common way to test MR jobs in the IDE against small datasets. 
> Moving the file while keeping the package name should not cause any problems; all it will do is make applying outstanding patches to it slightly harder. 

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