How to use

getFairShareMB

method

in

org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics

FSLeafQueue queue3 = queueManager.getLeafQueue("parent.queue3", true);
assertEquals(capacity / 2, queue1.getFairShare().getMemory());
assertEquals(capacity / 2, queue1.getMetrics().getFairShareMB());
assertEquals(capacity / 2, queue1.getSteadyFairShare().getMemory());
assertEquals(capacity / 2, queue1.getMetrics().getSteadyFairShareMB());
assertEquals(capacity / 4, queue2.getFairShare().getMemory());
assertEquals(capacity / 4, queue2.getMetrics().getFairShareMB());
assertEquals(capacity / 4, queue2.getSteadyFairShare().getMemory());
assertEquals(capacity / 4, queue2.getMetrics().getSteadyFairShareMB());
assertEquals(capacity / 4, queue3.getFairShare().getMemory());
assertEquals(capacity / 4, queue3.getMetrics().getFairShareMB());
assertEquals(capacity / 4, queue3.getSteadyFairShare().getMemory());
assertEquals(capacity / 4, queue3.getMetrics().getSteadyFairShareMB());

FSLeafQueue queue3 = queueManager.getLeafQueue("parent.queue3", true);
assertEquals(capacity / 2, queue1.getFairShare().getMemorySize());
assertEquals(capacity / 2, queue1.getMetrics().getFairShareMB());
assertEquals(capacity / 2, queue1.getSteadyFairShare().getMemorySize());
assertEquals(capacity / 2, queue1.getMetrics().getSteadyFairShareMB());
assertEquals(capacity / 4, queue2.getFairShare().getMemorySize());
assertEquals(capacity / 4, queue2.getMetrics().getFairShareMB());
assertEquals(capacity / 4, queue2.getSteadyFairShare().getMemorySize());
assertEquals(capacity / 4, queue2.getMetrics().getSteadyFairShareMB());
assertEquals(capacity / 4, queue3.getFairShare().getMemorySize());
assertEquals(capacity / 4, queue3.getMetrics().getFairShareMB());
assertEquals(capacity / 4, queue3.getSteadyFairShare().getMemorySize());
assertEquals(capacity / 4, queue3.getMetrics().getSteadyFairShareMB());

@Test
public void testSimpleFairShareCalculation() throws IOException {
 scheduler.init(conf);
 scheduler.start();
 scheduler.reinitialize(conf, resourceManager.getRMContext());
 // Add one big node (only care about aggregate capacity)
 RMNode node1 =
   MockNodes.newNodeInfo(1, Resources.createResource(10 * 1024), 1,
     "127.0.0.1");
 NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
 scheduler.handle(nodeEvent1);
 // Have two queues which want entire cluster capacity
 createSchedulingRequest(10 * 1024, "queue1", "user1");
 createSchedulingRequest(10 * 1024, "queue2", "user1");
 createSchedulingRequest(10 * 1024, "root.default", "user1");
 scheduler.update();
 scheduler.getQueueManager().getRootQueue()
   .setSteadyFairShare(scheduler.getClusterResource());
 scheduler.getQueueManager().getRootQueue().recomputeSteadyShares();
 Collection<FSLeafQueue> queues = scheduler.getQueueManager().getLeafQueues();
 assertEquals(3, queues.size());
 
 // Divided three ways - between the two queues and the default queue
 for (FSLeafQueue p : queues) {
  assertEquals(3414, p.getFairShare().getMemorySize());
  assertEquals(3414, p.getMetrics().getFairShareMB());
  assertEquals(3414, p.getSteadyFairShare().getMemorySize());
  assertEquals(3414, p.getMetrics().getSteadyFairShareMB());
 }
}

@Test
public void testSimpleFairShareCalculation() throws IOException {
 scheduler.init(conf);
 scheduler.start();
 scheduler.reinitialize(conf, resourceManager.getRMContext());
 // Add one big node (only care about aggregate capacity)
 RMNode node1 =
   MockNodes.newNodeInfo(1, Resources.createResource(10 * 1024), 1,
     "127.0.0.1");
 NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
 scheduler.handle(nodeEvent1);
 // Have two queues which want entire cluster capacity
 createSchedulingRequest(10 * 1024, "queue1", "user1");
 createSchedulingRequest(10 * 1024, "queue2", "user1");
 createSchedulingRequest(10 * 1024, "root.default", "user1");
 scheduler.update();
 scheduler.getQueueManager().getRootQueue()
   .setSteadyFairShare(scheduler.getClusterResource());
 scheduler.getQueueManager().getRootQueue().recomputeSteadyShares();
 Collection<FSLeafQueue> queues = scheduler.getQueueManager().getLeafQueues();
 assertEquals(3, queues.size());
 
 // Divided three ways - between the two queues and the default queue
 for (FSLeafQueue p : queues) {
  assertEquals(3414, p.getFairShare().getMemory());
  assertEquals(3414, p.getMetrics().getFairShareMB());
  assertEquals(3414, p.getSteadyFairShare().getMemory());
  assertEquals(3414, p.getMetrics().getSteadyFairShareMB());
 }
}