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https://issues.apache.org/jira/browse/YARN-848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687353#comment-13687353
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Hadoop QA commented on YARN-848:
--------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12588472/YARN-848.3.patch
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 1 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}. The javadoc tool did not generate any
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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/1337//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/1337//console
This message is automatically generated.
> Nodemanager does not register with RM using the fully qualified hostname
> ------------------------------------------------------------------------
>
> Key: YARN-848
> URL: https://issues.apache.org/jira/browse/YARN-848
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Hitesh Shah
> Assignee: Hitesh Shah
> Attachments: YARN-848.1.patch, YARN-848.3.patch
>
>
> If the hostname is misconfigured to not be fully qualified ( i.e. hostname
> returns foo and hostname -f returns foo.bar.xyz ), the NM ends up registering
> with the RM using only "foo". This can create problems if DNS cannot resolve
> the hostname properly.
> Furthermore, HDFS uses fully qualified hostnames which can end up affecting
> locality matches when allocating containers based on block locations.
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