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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3167) CLI-based driver for MiniDFSCluster
Date Mon, 02 Apr 2012 14:13:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13244212#comment-13244212

Hudson commented on HDFS-3167:

Integrated in Hadoop-Mapreduce-trunk #1038 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1038/])
    HDFS-3167. CLI-based driver for MiniDFSCluster. Contributed by Henry Robinson. (Revision

     Result = FAILURE
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1308159
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/test/HdfsTestDriver.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/test/MiniDFSClusterManager.java

> CLI-based driver for MiniDFSCluster
> -----------------------------------
>                 Key: HDFS-3167
>                 URL: https://issues.apache.org/jira/browse/HDFS-3167
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: test
>    Affects Versions: 2.0.0
>            Reporter: Henry Robinson
>            Assignee: Henry Robinson
>            Priority: Minor
>             Fix For: 2.0.0
>         Attachments: HDFS-3167.1.patch, HDFS-3167.patch
> Picking up a thread again from MAPREDUCE-987, I've found it very useful to have a CLI
driver for running a single-process DFS cluster, particularly when developing features in
HDFS clients. For example, being able to spin up a local cluster easily was tremendously useful
for correctness testing of HDFS-2834. 
> I'd like to contribute a class based on the patch for MAPREDUCE-987 we've been using
fairly extensively. Only for DFS, not MR since much has changed MR-side since the original

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