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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1149) Lease reassignment is not persisted to edit log
Date Mon, 06 Jun 2011 21:38:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045139#comment-13045139
] 

Hadoop QA commented on HDFS-1149:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12481613/hdfs-1149.2.patch
  against trunk revision 1132715.

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

    +1 tests included.  The patch appears to include 20 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.hdfs.server.balancer.TestBalancer
                  org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer

    +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/724//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/724//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/724//console

This message is automatically generated.

> Lease reassignment is not persisted to edit log
> -----------------------------------------------
>
>                 Key: HDFS-1149
>                 URL: https://issues.apache.org/jira/browse/HDFS-1149
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.21.0, 0.22.0, 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Aaron T. Myers
>             Fix For: 0.23.0
>
>         Attachments: editsStored, hdfs-1149.0.patch, hdfs-1149.1.patch, hdfs-1149.1.patch,
hdfs-1149.2.patch
>
>
> During lease recovery, the lease gets reassigned to a special NN holder. This is not
currently persisted to the edit log, which means that after an NN restart, the original leaseholder
could end up allocating more blocks or completing a file that has already started recovery.

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