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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2223) Untangle depencencies between NN components
Date Fri, 26 Aug 2011 17:01:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13091876#comment-13091876
] 

Hadoop QA commented on HDFS-2223:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12491802/hdfs-2223-6.txt
  against trunk revision .

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

    +1 tests included.  The patch appears to include 18 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 unit tests:

                  org.apache.hadoop.hdfs.server.blockmanagement.TestHost2NodesMap

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1160//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/1160//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1160//console

This message is automatically generated.

> Untangle depencencies between NN components
> -------------------------------------------
>
>                 Key: HDFS-2223
>                 URL: https://issues.apache.org/jira/browse/HDFS-2223
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-2223-1.txt, hdfs-2223-2.txt, hdfs-2223-3.txt, hdfs-2223-4.txt,
hdfs-2223-5.txt, hdfs-2223-6.txt
>
>
> Working in the NN a lot for HA (HDFS-1623) I've come across a number of situations where
the tangled dependencies between NN components has been problematic for adding new features
and for testability. It would be good to untangle some of these and clarify what the distinction
is between the different components: NameNode, FSNamesystem, FSDirectory, FSImage, NNStorage,
and FSEditLog

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