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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1791) Hdfs Federation: Add command to delete block pool directories from a datanode.
Date Tue, 29 Mar 2011 19:58:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13012656#comment-13012656
] 

Jitendra Nath Pandey commented on HDFS-1791:
--------------------------------------------

     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec] 
     [exec]     +1 system test framework.  The patch passed system test framework compile.


> Hdfs Federation: Add command to delete block pool directories from a datanode.
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-1791
>                 URL: https://issues.apache.org/jira/browse/HDFS-1791
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: Federation Branch
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>             Fix For: Federation Branch
>
>         Attachments: HDFS-1791.1.patch, HDFS-1791.2.patch, HDFS-1791.3.patch
>
>
>  A command to delete block pool directories from the datanode is required. Once a datanode
stops serving a block pool, this command can be used to delete the block pool directories.
A force option will delete the block pool directory on the datanode along with all its contents.
If force is not specified directories will be deleted only if no block files exist for that
block pool.

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