vanzin 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_r259464443
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/continuous/ContinuousExecution.scala
##########
@@ -390,6 +398,41 @@ class ContinuousExecution(
}
}
+ /**
+ * Stores error and stops the query execution thread to terminate the query
in new thread.
+ */
+ def stopInNewThread(error: Throwable): Unit = {
+ failureLock.synchronized {
+ failure match {
+ case None =>
+ logError(s"Query $prettyIdString received exception $error")
+ failure = Some(error)
+ stopInNewThread()
+ case _ =>
+ // Stop already initiated
+ }
+ }
+ }
+
+ /**
+ * Stops the query execution thread to terminate the query in new thread.
+ */
+ private def stopInNewThread(): Unit = {
+ new Thread("stop-continuous-execution") {
Review comment:
Proper thing would be for `runInNewThread` to return a `Future` and let the
caller decide what to do. But ok to punt on that change.
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