[GitHub] [spark] apeming commented on a change in pull request #27222: [SPARK-30519][CORE] Use spark.executorEnv.HADOOP_USER_NAME to set executor's hadoop user

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apeming commented on a change in pull request #27222: [SPARK-30519][CORE] Use spark.executorEnv.HADOOP_USER_NAME to set executor's hadoop user
URL: https://github.com/apache/spark/pull/27222#discussion_r378021329
 
 

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 File path: core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
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 @@ -64,7 +64,7 @@ private[spark] class SparkHadoopUtil extends Logging {
   }
 
   def createSparkUser(): UserGroupInformation = {
-    val user = Utils.getCurrentUserName()
+    val user = Option(System.getenv("HADOOP_USER_NAME")).getOrElse(Utils.getCurrentUserName())
 
 Review comment:
   Yes, it's spec by spark.executorEnv.HADOOP_USER_NAME and all executors will use it

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