jiangxb1987 commented on issue #27222: [SPARK-30519][CORE] Use spark.executorEnv.HADOOP_USER_NAME to set executor's hadoop user URL: https://github.com/apache/spark/pull/27222#issuecomment-586033002 This is a behavior change, and I don't think we should introduce this change by the approach proposed this way. If both `SPARK_USER` and `HADOOP_USER_NAME` are specified in the env, we should prioritize `SPARK_USER` over `HADOOP_USER_NAME`. Also, I'm hesitate whether we should support `HADOOP_USER_NAME` at all.
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