Fengnan Li created HDFS-15831:
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Summary: Adopt more DNS resolving for HDFS
Key: HDFS-15831
URL: https://issues.apache.org/jira/browse/HDFS-15831
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Fengnan Li
Assignee: Fengnan Li
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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