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From "Henry Robinson (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3167) CLI-based driver for MiniDFSCluster
Date Fri, 30 Mar 2012 21:27:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Henry Robinson updated HDFS-3167:

    Attachment: HDFS-3167.patch

Patch for trunk. Example invocation instructions in the class Javadoc. 
> 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
>            Reporter: Henry Robinson
>            Assignee: Henry Robinson
>            Priority: Minor
>             Fix For: 0.24.0
>         Attachments: 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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