Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/3003#discussion_r19620876
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala ---
@@ -563,6 +563,31 @@ class TaskSetManagerSuite extends FunSuite with
LocalSparkContext with Logging {
assert(manager.emittedTaskSizeWarning)
}
+ test("abort the job if total size of results is too large") {
+ val conf = new SparkConf().set("spark.driver.maxResultSize", "2m")
+ sc = new SparkContext("local", "test", conf)
+
+ // multiple tiny result
+ val r = sc.makeRDD(0 until (1 << 10), 10).collect()
+ assert((1 << 10) === r.size )
+
+ // single large result
+ try {
+ sc.makeRDD(0 until (1<<20), 1).collect()
+ throw new Exception("single large result should fail")
+ } catch {
+ case e: SparkException =>
+ }
+
+ // multiple small result
+ try {
+ sc.makeRDD(0 until (1<<20), 10).collect()
--- End diff --
Nit: put spaces around `<<`
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