Harsh J created HDFS-7546:
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Summary: Document, and set an accepting default for
dfs.namenode.kerberos.principal.pattern
Key: HDFS-7546
URL: https://issues.apache.org/jira/browse/HDFS-7546
Project: Hadoop HDFS
Issue Type: Improvement
Components: security
Reporter: Harsh J
Priority: Minor
This config is used in the SaslRpcClient, and the no-default breaks cross-realm
trust principals being used at clients.
Current location:
https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SaslRpcClient.java#L309
The config should be documented and the default should be set to * to preserve
the prior-to-introduction behaviour.
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