Saisai Shao created SPARK-24110:
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Summary: Avoid calling UGI loginUserFromKeytab in ThriftServer
Key: SPARK-24110
URL: https://issues.apache.org/jira/browse/SPARK-24110
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.0
Reporter: Saisai Shao
Spark ThriftServer will call UGI.loginUserFromKeytab twice in initialization.
This is unnecessary and will cause various potential problems, like Hadoop IPC
failure after 7 days, or RM failover issue and so on.
So here we need to remove all the unnecessary login logics and make sure UGI in
the context never be created again.
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