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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3507) DFS#isInSafeMode needs to execute only on Active NameNode
Date Tue, 26 Jun 2012 00:49:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13401078#comment-13401078

Hadoop QA commented on HDFS-3507:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

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

    +1 tests included.  The patch appears to include 11 new or modified test files.

    +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

    +1 core tests.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2698//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2698//console

This message is automatically generated.
> DFS#isInSafeMode needs to execute only on Active NameNode
> ---------------------------------------------------------
>                 Key: HDFS-3507
>                 URL: https://issues.apache.org/jira/browse/HDFS-3507
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.0.1-alpha, 3.0.0
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HDFS-3507.patch
> Currently DFS#isInSafeMode is not Checking for the NN state. It can be executed on any
of the NNs.
> But HBase will use this API to check for the NN safemode before starting up its service.
> If first NN configured is in standby then DFS#isInSafeMode will check standby NNs safemode
but hbase want state of Active NN.

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