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Date: Sun, 20 May 2012 08:18:41 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3042) Automatic failover support for NN HA
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    [ https://issues.apache.org/jira/browse/HDFS-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13279695#comment-13279695 ] 

Hadoop QA commented on HDFS-3042:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12528305/hdfs-3042.txt
  against trunk revision .

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

    +1 tests included.  The patch appears to include 22 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 warnings.

    -1 core tests.  The patch failed these unit tests in hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site:

                  org.apache.hadoop.hdfs.TestFileAppend4

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2491//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2491//console

This message is automatically generated.
                
> Automatic failover support for NN HA
> ------------------------------------
>
>                 Key: HDFS-3042
>                 URL: https://issues.apache.org/jira/browse/HDFS-3042
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: auto-failover, ha
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-3042.txt
>
>
> HDFS-1623 was the umbrella task for implementation of NN HA capabilities. However, it only focused on manually-triggered failover.
> Given that the HDFS-1623 branch will be merged shortly, I'm opening this JIRA to consolidate/track subtasks for automatic failover support and related improvements.

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