Jeff Zhang created SPARK-17121:
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Summary: Support _HOST replacement for principal
Key: SPARK-17121
URL: https://issues.apache.org/jira/browse/SPARK-17121
Project: Spark
Issue Type: Improvement
Components: Spark Submit
Affects Versions: 2.0.0
Reporter: Jeff Zhang
Priority: Minor
_HOST is a placeholder for the host which is used widely for hadoop components
(like NN/DN/RM/NM and etc), this is useful for automatic configuration of some
cluster deployment tool. It is would be nice that spark can also support this,
especially useful for spark thrift server.
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