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https://issues.apache.org/jira/browse/YARN-848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hitesh Shah updated YARN-848:
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Attachment: (was: YARN-848.2.patch)
> 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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