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From "Tanping Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1773) Remove a datanode from cluster if include list is not empty and this datanode is removed from both include and exclude lists
Date Thu, 24 Mar 2011 19:04:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010848#comment-13010848
] 

Tanping Wang commented on HDFS-1773:
------------------------------------

I run test-patch with my patch
     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec] 
     [exec]     -1 javadoc.  The javadoc tool appears to have generated 1 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 warnings.
     [exec] 
     [exec]     -1 Eclipse classpath. The patch causes the Eclipse classpath to differ from
the contents of the lib directories.
     [exec] 
     [exec] 
     [exec] 
     [exec] 
     [exec] ======================================================================
     [exec] ======================================================================
     [exec]     Finished build.
     [exec] ======================================================================
     [exec] ======================================================================
     [exec] 
     [exec] 

So I went ahead run another test-patch with a fake patch whose content is empty.  And I got
the same result.  I have also run $ant javadoc with and without my patch and I got total of
31 javadoc warnings with out without my patch.

I also run ant test.  With and without my patch, I have seen the follow tests failed on branch-20-security,

    [junit] Test org.apache.hadoop.util.TestQueueProcessingStatistics FAILED
    [junit] Test org.apache.hadoop.hdfsproxy.TestHdfsProxy FAILED

These two tests are not related with my patch.

> Remove a datanode from cluster if include list is not empty and this datanode is removed
from both include and exclude lists
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1773
>                 URL: https://issues.apache.org/jira/browse/HDFS-1773
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.20.203.1
>         Environment: branch-20-security
>            Reporter: Tanping Wang
>            Assignee: Tanping Wang
>            Priority: Minor
>             Fix For: 0.20.4
>
>         Attachments: HDFS-1773-2.patch, HDFS-1773-3.patch, HDFS-1773.patch
>
>
> Our service engineering team who operates the clusters on a daily basis founds it is
confusing that after a data node is decommissioned, there is no way to make the cluster forget
about this data node and it always remains in the dead node list.

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