createSchedulingRequestExistingApplication(rackRequest, attId1);
createSchedulingRequestExistingApplication(anyRequest, attId1);
scheduler.update();
NodeUpdateSchedulerEvent node1UpdateEvent = new
NodeUpdateSchedulerEvent(node1);
NodeUpdateSchedulerEvent node2UpdateEvent = new
NodeUpdateSchedulerEvent(node2);
// no matter how many heartbeats, node2 should never get a container
FSSchedulerApp app = scheduler.getSchedulerApp(attId1);
for (int i = 0; i < 10; i++) {