jose-torres commented on a change in pull request #23156: [SPARK-24063][SS] Add
maximum epoch queue threshold for ContinuousExecution
URL: https://github.com/apache/spark/pull/23156#discussion_r251133346
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/continuous/ContinuousExecution.scala
##########
@@ -277,6 +281,10 @@ class ContinuousExecution(
lastExecution.toRdd
}
}
+
+ failureLock.synchronized {
Review comment:
I'm not sure I understand the synchronization strategy here. What race
condition does this lock avoid?
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