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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1881) After taking snapshot (upgrade) on Federation, the current directory of data node is emtpy.
Date Mon, 16 May 2011 20:04:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034260#comment-13034260
] 

Hadoop QA commented on HDFS-1881:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12479183/HDFS-1881.2.patch
  against trunk revision 1102948.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these core unit tests:
                  org.apache.hadoop.cli.TestHDFSCLI
                  org.apache.hadoop.hdfs.server.balancer.TestBalancer
                  org.apache.hadoop.hdfs.TestDFSShell
                  org.apache.hadoop.hdfs.TestDFSStorageStateRecovery
                  org.apache.hadoop.hdfs.TestFileConcurrentReader
                  org.apache.hadoop.tools.TestJMXGet

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/526//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/526//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/526//console

This message is automatically generated.

> After taking snapshot (upgrade) on Federation,  the current directory of data node is
emtpy.
> --------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1881
>                 URL: https://issues.apache.org/jira/browse/HDFS-1881
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Tanping Wang
>            Assignee: Tanping Wang
>         Attachments: HDFS-1881.2.patch, HDFS-1881.patch
>
>
> After taking a snapshot in Federation (by starting up namenode with option -upgrade),
it appears that the current directory of data node does not contain the block files.  We have
also verified that upgrading from 20 to Federation does not have this problem.

--
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