Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21185#discussion_r184813243
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -229,6 +229,23 @@ private[spark] class Executor(
ManagementFactory.getGarbageCollectorMXBeans.asScala.map(_.getCollectionTime).sum
}
+ /**
+ * Only in local mode, we have to prevent the driver from setting the
active SparkSession
+ * in the executor threads. See SPARK-23894.
+ */
+ lazy val clearActiveSparkSessionMethod = if (Utils.isLocalMaster(conf)) {
--- End diff --
private?
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