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https://issues.apache.org/jira/browse/HDFS-15831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leon Gao updated HDFS-15831:
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Issue Type: New Feature (was: Improvement)
Priority: Major (was: Minor)
> Adopt more DNS resolving for HDFS
> ---------------------------------
>
> Key: HDFS-15831
> URL: https://issues.apache.org/jira/browse/HDFS-15831
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Fengnan Li
> Assignee: Fengnan Li
> Priority: Major
>
> There are some opportunities inside HDFS where we can use DNS for hosts
> instead of host names. This will help to a large extent in two aspects:
> 1. Server management, i.e. host replacement
> 2. Client transparency, i.e. client config with DNS without knowing the
> specific host.
> It is worth mentioning that secure environment should be supported, we
> recommend having the principal wildcard matching turned on.
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