dongjoon-hyun commented on a change in pull request #23754:
[SPARK-26082][MESOS][FOLLOWUP][BRANCH-2.3] Add UT on fetcher cache option on
MesosClusterScheduler
URL: https://github.com/apache/spark/pull/23754#discussion_r255319164
##########
File path:
resource-managers/mesos/src/test/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterSchedulerSuite.scala
##########
@@ -254,6 +254,54 @@ class MesosClusterSchedulerSuite extends SparkFunSuite
with LocalSparkContext wi
assert(networkInfos.get(0).getLabels.getLabels(1).getValue == "val2")
}
+ test("supports setting fetcher cache") {
+ setScheduler(Map("spark.mesos.fetcherCache.enable" -> "true"))
+
+ val mem = 1000
+ val cpu = 1
+
+ val response = scheduler.submitDriver(
+ new MesosDriverDescription("d1", "jar", mem, cpu, true,
+ command,
+ Map("spark.mesos.executor.home" -> "test",
+ "spark.app.name" -> "test"),
+ "s1",
+ new Date()))
+
+ assert(response.success)
+
+ val offer = Utils.createOffer("o1", "s1", mem, cpu)
+ scheduler.resourceOffers(driver, List(offer).asJava)
+
+ val launchedTasks = Utils.verifyTaskLaunched(driver, "o1")
+ val uris = launchedTasks.head.getCommand.getUrisList
+ assert(uris.asScala.forall(_.getCache))
+ }
+
+ test("supports disabling fetcher cache") {
Review comment:
Please add SPARK-26082 at the test case name.
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