LuciferYang commented on code in PR #40663:
URL: https://github.com/apache/spark/pull/40663#discussion_r1159659908
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core/src/test/scala/org/apache/spark/executor/ExecutorSuite.scala:
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@@ -270,6 +271,29 @@ class ExecutorSuite extends SparkFunSuite
heartbeatZeroAccumulatorUpdateTest(false)
}
+ test("SPARK-39696: Using accumulators should not cause heartbeat to fail") {
+ val conf = new SparkConf().setMaster("local").setAppName("executor suite
test")
+ conf.set(EXECUTOR_HEARTBEAT_INTERVAL.key, "1ms")
+ sc = new SparkContext(conf)
+
+ val accums = (1 to 10).map(i =>
sc.longAccumulator(s"mapperRunAccumulator$i"))
+ val input = sc.parallelize(1 to 10, 10)
+ var testRdd = input.map(i => (i, i))
+ (0 to 10).foreach( i =>
+ testRdd = testRdd
+ .map(x => { accums.foreach(_.add(1)); (x._1 * i, x._2) })
+ .reduceByKey(_ + _)
+ )
+
+ val logAppender = new LogAppender(s"heartbeat thread should not die")
Review Comment:
```suggestion
val logAppender = new LogAppender("heartbeat thread should not die")
```
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