YARN-2306. Add test for leakage of reservation metrics in fair scheduler. (Hong Zhiguo and Yufei Gu via subru).

This commit is contained in:
Subru Krishnan 2016-10-27 17:43:13 -07:00
parent 28660f51af
commit b2c4f24c31

View File

@ -4761,4 +4761,56 @@ public void testRefreshQueuesWhenRMHA() throws Exception {
rm1.stop();
rm2.stop();
}
@Test
public void testReservationMetrics() throws IOException {
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
QueueMetrics metrics = scheduler.getRootQueueMetrics();
RMNode node1 =
MockNodes
.newNodeInfo(1, Resources.createResource(4096, 4), 1, "127.0.0.1");
NodeAddedSchedulerEvent nodeEvent = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent);
ApplicationAttemptId appAttemptId = createAppAttemptId(1, 1);
createApplicationWithAMResource(appAttemptId, "default", "user1", null);
NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node1);
scheduler.update();
scheduler.handle(updateEvent);
createSchedulingRequestExistingApplication(1024, 1, 1, appAttemptId);
scheduler.handle(updateEvent);
// no reservation yet
assertEquals(0, metrics.getReservedContainers());
assertEquals(0, metrics.getReservedMB());
assertEquals(0, metrics.getReservedVirtualCores());
// create reservation of {4096, 4}
createSchedulingRequestExistingApplication(4096, 4, 1, appAttemptId);
scheduler.update();
scheduler.handle(updateEvent);
// reservation created
assertEquals(1, metrics.getReservedContainers());
assertEquals(4096, metrics.getReservedMB());
assertEquals(4, metrics.getReservedVirtualCores());
// remove AppAttempt
AppAttemptRemovedSchedulerEvent attRemoveEvent =
new AppAttemptRemovedSchedulerEvent(
appAttemptId,
RMAppAttemptState.KILLED,
false);
scheduler.handle(attRemoveEvent);
// The reservation metrics should be subtracted
assertEquals(0, metrics.getReservedContainers());
assertEquals(0, metrics.getReservedMB());
assertEquals(0, metrics.getReservedVirtualCores());
}
}