wypoon commented on a change in pull request #28848: URL: https://github.com/apache/spark/pull/28848#discussion_r441280737
########## File path: core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala ########## @@ -540,6 +540,46 @@ class DAGSchedulerSuite extends SparkFunSuite with LocalSparkContext with TimeLi assert(mapStatus2(2).location.host === "hostB") } + test("[SPARK-32003] All shuffle files for executor should be cleaned up on fetch failure") { + // reset the test context with the right shuffle service config + afterEach() + val conf = new SparkConf() + conf.set(config.SHUFFLE_SERVICE_ENABLED.key, "true") + init(conf) + + val shuffleMapRdd = new MyRDD(sc, 3, Nil) + val shuffleDep = new ShuffleDependency(shuffleMapRdd, new HashPartitioner(3)) + val shuffleId = shuffleDep.shuffleId + val reduceRdd = new MyRDD(sc, 3, List(shuffleDep), tracker = mapOutputTracker) + + submit(reduceRdd, Array(0, 1, 2)) + // Map stage completes successfully, + // two tasks are run on an executor on hostA and one on an executor on hostB + complete(taskSets(0), Seq( + (Success, makeMapStatus("hostA", 3)), + (Success, makeMapStatus("hostA", 3)), + (Success, makeMapStatus("hostB", 3)))) + // Now the executor on hostA is lost + runEvent(ExecutorLost("hostA-exec", ExecutorExited(-100, false, "Container marked as failed"))) + + // The MapOutputTracker has all the shuffle files + val initialMapStatuses = mapOutputTracker.shuffleStatuses(shuffleId).mapStatuses + assert(initialMapStatuses.count(_ != null) == 3) + assert(initialMapStatuses(0).location.executorId === "hostA-exec") + assert(initialMapStatuses(1).location.executorId === "hostA-exec") + assert(initialMapStatuses(2).location.executorId === "hostB-exec") + + // Now a fetch failure from the lost executor occurs + complete(taskSets(1), Seq( + (FetchFailed(makeBlockManagerId("hostA"), shuffleId, 0L, 0, 0, "ignored"), null) + )) + + // Shuffle files for hostA-exec should be lost + val mapStatuses = mapOutputTracker.shuffleStatuses(shuffleId).mapStatuses + assert(mapStatuses.count(_ != null) == 1) Review comment: Without the change this part fails. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org