Wei-Chiu Chuang created HDFS-12372:
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Summary: Document the impact of HDFS-11069 (Tighten the
authorization of datanode RPC)
Key: HDFS-12372
URL: https://issues.apache.org/jira/browse/HDFS-12372
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Wei-Chiu Chuang
Assignee: Wei-Chiu Chuang
The idea of HDFS-11069 is good. But it seems to cause confusion for
administrators when they issue commands like hdfs diskbalancer, or hdfs
dfsadmin, because this change of behavior is not documented properly.
I suggest we document a recommended way to kinit (e.g. kinit as
hdfs/ho...@host1.example.com, rather than h...@example.com), as well as
documenting a notice for running privileged DataNode commands in a Kerberized
clusters
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