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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5653) Log namenode hostname in various exceptions being thrown in a HA setup
Date Wed, 05 Mar 2014 22:26:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13921522#comment-13921522

Hadoop QA commented on HDFS-5653:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common:


    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6311//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6311//console

This message is automatically generated.

> Log namenode hostname in various exceptions being thrown in a HA setup
> ----------------------------------------------------------------------
>                 Key: HDFS-5653
>                 URL: https://issues.apache.org/jira/browse/HDFS-5653
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha
>    Affects Versions: 2.2.0
>            Reporter: Arpit Gupta
>            Assignee: Haohui Mai
>            Priority: Minor
>         Attachments: HDFS-5653.000.patch, HDFS-5653.001.patch, HDFS-5653.002.patch, HDFS-5653.003.patch,
HDFS-5653.004.patch, HDFS-5653.005.patch, HDFS-5653.006.patch
> In a HA setup any time we see an exception such as safemode or namenode in standby etc
we dont know which namenode it came from. The user has to go to the logs of the namenode and
determine which one was active and/or standby around the same time.
> I think it would help with debugging if any such exceptions could include the namenode
hostname so the user could know exactly which namenode served the request.

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