[jira] [Updated] (HDFS-15831) Adopt more DNS resolving for HDFS

["Leon Gao (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-15831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leon Gao updated HDFS-15831:
----------------------------
    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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