xupefei commented on code in PR #48906:
URL: https://github.com/apache/spark/pull/48906#discussion_r1850246910
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sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala:
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@@ -133,14 +133,32 @@ class SparkSession private(
/** Tag to mark all jobs owned by this session. */
private[sql] lazy val sessionJobTag = s"spark-session-$sessionUUID"
+ /**
+ * A UUID that is unique on the thread level. Used by managedJobTags to make
sure that the same
+ * use tag do not overlap in the underlying SparkContext/SQLExecution.
+ */
+ private[sql] lazy val threadUuid = new ThreadLocal[String] {
Review Comment:
Thanks, fixed!
I was confused about thread vs session. The `Inheritable` here is for child
threads.
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