Github user ala commented on a diff in the pull request:
https://github.com/apache/spark/pull/16872#discussion_r100347811
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameRangeSuite.scala ---
@@ -127,4 +133,28 @@ class DataFrameRangeSuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test("Cancelling stage in a query with Range.") {
+ val listener = new SparkListener {
+ override def onTaskStart(taskStart: SparkListenerTaskStart): Unit = {
+ Thread.sleep(100)
--- End diff --
The only other thing in the SparkListener interface that seems to fit here
seems to be `onExecutorMetricsUpdate()`. However, the metrics are send with the
heartbeats, and the heartbeats are send around 10s apart. Hence, using this
method makes the tests much slower (4s vs 20s).
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