Hitesh Shah created YARN-848:
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Summary: 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
If the hostname is misconfigured to 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 reducing
locality matches when allocating containers based on block locations.
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