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https://issues.apache.org/jira/browse/HADOOP-685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi reassigned HADOOP-685:
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Assignee: Raghu Angadi (was: Sameer Paranjpye)
> DataNode appears to require DNS name resolution as opposed to direct ip
> mapping
> -------------------------------------------------------------------------------
>
> Key: HADOOP-685
> URL: https://issues.apache.org/jira/browse/HADOOP-685
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Environment: osx, ubuntu 6.10b
> Reporter: James Todd
> Assigned To: Raghu Angadi
> Priority: Minor
>
> DataNode appears to require DNS resolution of nodes via the class
> org.apache.hadoop.net.DNS as opposed being able to use a specified ip.
> as an example, i was not able to set up more then one instance of dfs
> datanodes on one box using loopback w/ varying ports since DataNode
> resolved the ip of 127.0.0.1 to be "foo.bar" which was then mapped to the
> dhcp allocated ip of 192.168.0.***, which was not addressable by the
> rest of the dfs cluster (namely namenode).
> while this example is trivial one should be able to use the very same process
> yet change only the ip's of the nodes and have things work as
> expected.
> it would be nice to not always require nds resolution.
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