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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3573) Supply NamespaceInfo when instantiating JournalManagers
Date Wed, 27 Jun 2012 08:36:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402059#comment-13402059
] 

Hadoop QA commented on HDFS-3573:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12533587/hdfs-3573.txt
  against trunk revision .

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

    -1 javadoc.  The javadoc tool appears to have generated 2 warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +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 in hadoop-hdfs-project/hadoop-hdfs hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal:

                  org.apache.hadoop.hdfs.server.namenode.ha.TestBootstrapStandby
                  org.apache.hadoop.hdfs.server.namenode.TestGenericJournalConf

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2710//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2710//console

This message is automatically generated.
                
> Supply NamespaceInfo when instantiating JournalManagers
> -------------------------------------------------------
>
>                 Key: HDFS-3573
>                 URL: https://issues.apache.org/jira/browse/HDFS-3573
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: 3.0.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>         Attachments: hdfs-3573.txt, hdfs-3573.txt
>
>
> Currently, the JournalManagers are instantiated before the NamespaceInfo is loaded from
local storage directories. This is problematic since the JM may want to verify that the storage
info associated with the journal matches the NN which is starting up (eg to prevent an operator
accidentally configuring two clusters against the same remote journal storage). This JIRA
rejiggers the initialization sequence so that the JMs receive NamespaceInfo as a constructor
argument.

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