use of org.apache.hadoop.yarn.api.records.ApplicationAttemptId in project hadoop by apache.
the class TestFairScheduler method testMultipleContainersWaitingForReservation.
@Test(timeout = 5000)
public void testMultipleContainersWaitingForReservation() throws IOException {
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
// Add a node
RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(1024), 1, "127.0.0.1");
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent1);
// Request full capacity of node
createSchedulingRequest(1024, "queue1", "user1", 1);
scheduler.update();
NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node1);
scheduler.handle(updateEvent);
ApplicationAttemptId attId1 = createSchedulingRequest(1024, "queue2", "user2", 1);
ApplicationAttemptId attId2 = createSchedulingRequest(1024, "queue3", "user3", 1);
scheduler.update();
scheduler.handle(updateEvent);
// One container should get reservation and the other should get nothing
assertEquals(1024, scheduler.getSchedulerApp(attId1).getCurrentReservation().getMemorySize());
assertEquals(0, scheduler.getSchedulerApp(attId2).getCurrentReservation().getMemorySize());
}
use of org.apache.hadoop.yarn.api.records.ApplicationAttemptId in project hadoop by apache.
the class TestFairScheduler method testChildMaxResources.
/**
* Test the child max resource settings.
*
* @throws IOException if scheduler reinitialization fails
*/
@Test
public void testChildMaxResources() throws IOException {
PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE));
out.println("<?xml version=\"1.0\"?>");
out.println("<allocations>");
out.println(" <queue name=\"queueA\" type=\"parent\">");
out.println(" <maxChildResources>2048mb,2vcores</maxChildResources>");
out.println(" </queue>");
out.println("</allocations>");
out.close();
conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE);
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(8 * 1024, 8), 1, "127.0.0.1");
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent1);
ApplicationAttemptId attId1 = createSchedulingRequest(1024, 1, "queueA.queueB", "user1", 8);
ApplicationAttemptId attId2 = createSchedulingRequest(1024, 1, "queueA.queueC", "user1", 8);
scheduler.update();
NodeUpdateSchedulerEvent nodeEvent = new NodeUpdateSchedulerEvent(node1);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
// Apps should be running with 2 containers
assertEquals("App 1 is not running with the correct number of containers", 2, scheduler.getSchedulerApp(attId1).getLiveContainers().size());
assertEquals("App 2 is not running with the correct number of containers", 2, scheduler.getSchedulerApp(attId2).getLiveContainers().size());
out = new PrintWriter(new FileWriter(ALLOC_FILE));
out.println("<?xml version=\"1.0\"?>");
out.println("<allocations>");
out.println(" <queue name=\"queueA\" type=\"parent\">");
out.println(" <maxChildResources>3072mb,3vcores</maxChildResources>");
out.println(" </queue>");
out.println("</allocations>");
out.close();
scheduler.reinitialize(conf, resourceManager.getRMContext());
scheduler.update();
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
scheduler.handle(nodeEvent);
// Apps should be running with 3 containers now
assertEquals("App 1 is not running with the correct number of containers", 3, scheduler.getSchedulerApp(attId1).getLiveContainers().size());
assertEquals("App 2 is not running with the correct number of containers", 3, scheduler.getSchedulerApp(attId2).getLiveContainers().size());
out = new PrintWriter(new FileWriter(ALLOC_FILE));
out.println("<?xml version=\"1.0\"?>");
out.println("<allocations>");
out.println(" <queue name=\"queueA\" type=\"parent\">");
out.println(" <maxChildResources>1024mb,1vcores</maxChildResources>");
out.println(" </queue>");
out.println("</allocations>");
out.close();
scheduler.reinitialize(conf, resourceManager.getRMContext());
scheduler.update();
scheduler.handle(nodeEvent);
// Apps still should be running with 3 containers because we don't preempt
assertEquals("App 1 is not running with the correct number of containers", 3, scheduler.getSchedulerApp(attId1).getLiveContainers().size());
assertEquals("App 2 is not running with the correct number of containers", 3, scheduler.getSchedulerApp(attId2).getLiveContainers().size());
}
use of org.apache.hadoop.yarn.api.records.ApplicationAttemptId in project hadoop by apache.
the class TestFairScheduler method testReservationThresholdWithAssignMultiple.
@Test(timeout = 5000)
public void testReservationThresholdWithAssignMultiple() throws Exception {
// set reservable-nodes to 0 which make reservation exceed
conf.setFloat(FairSchedulerConfiguration.RESERVABLE_NODES, 0f);
conf.setBoolean(FairSchedulerConfiguration.ASSIGN_MULTIPLE, true);
conf.setBoolean(FairSchedulerConfiguration.DYNAMIC_MAX_ASSIGN, false);
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
// Add two node
RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(4096, 4), 1, "127.0.0.1");
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent1);
RMNode node2 = MockNodes.newNodeInfo(2, Resources.createResource(4096, 4), 1, "127.0.0.2");
NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2);
scheduler.handle(nodeEvent2);
//create one request and assign containers
ApplicationAttemptId attId = createSchedulingRequest(1024, "queue1", "user1", 10);
scheduler.update();
scheduler.handle(new NodeUpdateSchedulerEvent(node1));
scheduler.update();
scheduler.handle(new NodeUpdateSchedulerEvent(node2));
// Verify capacity allocation
assertEquals(8192, scheduler.getQueueManager().getQueue("queue1").getResourceUsage().getMemorySize());
// Verify number of reservations have decremented
assertEquals(0, scheduler.getSchedulerApp(attId).getNumReservations(null, true));
}
use of org.apache.hadoop.yarn.api.records.ApplicationAttemptId in project hadoop by apache.
the class TestFairScheduler method testBlacklistNodes.
@Test
public void testBlacklistNodes() throws Exception {
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
final int GB = 1024;
String host = "127.0.0.1";
RMNode node = MockNodes.newNodeInfo(1, Resources.createResource(16 * GB, 16), 0, host);
NodeAddedSchedulerEvent nodeEvent = new NodeAddedSchedulerEvent(node);
NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node);
scheduler.handle(nodeEvent);
ApplicationAttemptId appAttemptId = createSchedulingRequest(GB, "root.default", "user", 1);
FSAppAttempt app = scheduler.getSchedulerApp(appAttemptId);
// Verify the blacklist can be updated independent of requesting containers
scheduler.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(), Collections.<ContainerId>emptyList(), Collections.singletonList(host), null, NULL_UPDATE_REQUESTS);
assertTrue(app.isPlaceBlacklisted(host));
scheduler.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(), Collections.<ContainerId>emptyList(), null, Collections.singletonList(host), NULL_UPDATE_REQUESTS);
assertFalse(scheduler.getSchedulerApp(appAttemptId).isPlaceBlacklisted(host));
List<ResourceRequest> update = Arrays.asList(createResourceRequest(GB, node.getHostName(), 1, 0, true));
// Verify a container does not actually get placed on the blacklisted host
scheduler.allocate(appAttemptId, update, Collections.<ContainerId>emptyList(), Collections.singletonList(host), null, NULL_UPDATE_REQUESTS);
assertTrue(app.isPlaceBlacklisted(host));
scheduler.update();
scheduler.handle(updateEvent);
assertEquals("Incorrect number of containers allocated", 0, app.getLiveContainers().size());
// Verify a container gets placed on the empty blacklist
scheduler.allocate(appAttemptId, update, Collections.<ContainerId>emptyList(), null, Collections.singletonList(host), NULL_UPDATE_REQUESTS);
assertFalse(app.isPlaceBlacklisted(host));
createSchedulingRequest(GB, "root.default", "user", 1);
scheduler.update();
scheduler.handle(updateEvent);
assertEquals("Incorrect number of containers allocated", 1, app.getLiveContainers().size());
}
use of org.apache.hadoop.yarn.api.records.ApplicationAttemptId in project hadoop by apache.
the class TestFairScheduler method testDecreaseQueueSettingOnTheFlyInternal.
private void testDecreaseQueueSettingOnTheFlyInternal(String allocBefore, String allocAfter) throws Exception {
// Set max running apps
conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE);
PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE));
out.println(allocBefore);
out.close();
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
// Add a node
RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(8192, 8), 1, "127.0.0.1");
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent1);
// Request for app 1
ApplicationAttemptId attId1 = createSchedulingRequest(1024, "queue1", "user1", 1);
scheduler.update();
NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node1);
scheduler.handle(updateEvent);
// App 1 should be running
assertEquals(1, scheduler.getSchedulerApp(attId1).getLiveContainers().size());
ApplicationAttemptId attId2 = createSchedulingRequest(1024, "queue1", "user1", 1);
scheduler.update();
scheduler.handle(updateEvent);
ApplicationAttemptId attId3 = createSchedulingRequest(1024, "queue1", "user1", 1);
scheduler.update();
scheduler.handle(updateEvent);
ApplicationAttemptId attId4 = createSchedulingRequest(1024, "queue1", "user1", 1);
scheduler.update();
scheduler.handle(updateEvent);
// App 2 should be running
assertEquals(1, scheduler.getSchedulerApp(attId2).getLiveContainers().size());
// App 3 should be running
assertEquals(1, scheduler.getSchedulerApp(attId3).getLiveContainers().size());
// App 4 should not be running
assertEquals(0, scheduler.getSchedulerApp(attId4).getLiveContainers().size());
out = new PrintWriter(new FileWriter(ALLOC_FILE));
out.println(allocAfter);
out.close();
scheduler.reinitialize(conf, resourceManager.getRMContext());
scheduler.update();
scheduler.handle(updateEvent);
// App 2 should still be running
assertEquals(1, scheduler.getSchedulerApp(attId2).getLiveContainers().size());
scheduler.update();
scheduler.handle(updateEvent);
// App 3 should still be running
assertEquals(1, scheduler.getSchedulerApp(attId3).getLiveContainers().size());
scheduler.update();
scheduler.handle(updateEvent);
// App 4 should not be running
assertEquals(0, scheduler.getSchedulerApp(attId4).getLiveContainers().size());
// Now remove app 1
AppAttemptRemovedSchedulerEvent appRemovedEvent1 = new AppAttemptRemovedSchedulerEvent(attId1, RMAppAttemptState.FINISHED, false);
scheduler.handle(appRemovedEvent1);
scheduler.update();
scheduler.handle(updateEvent);
// App 4 should not be running
assertEquals(0, scheduler.getSchedulerApp(attId4).getLiveContainers().size());
// Now remove app 2
appRemovedEvent1 = new AppAttemptRemovedSchedulerEvent(attId2, RMAppAttemptState.FINISHED, false);
scheduler.handle(appRemovedEvent1);
scheduler.update();
scheduler.handle(updateEvent);
// App 4 should not be running
assertEquals(0, scheduler.getSchedulerApp(attId4).getLiveContainers().size());
// Now remove app 3
appRemovedEvent1 = new AppAttemptRemovedSchedulerEvent(attId3, RMAppAttemptState.FINISHED, false);
scheduler.handle(appRemovedEvent1);
scheduler.update();
scheduler.handle(updateEvent);
// App 4 should be running now
assertEquals(1, scheduler.getSchedulerApp(attId4).getLiveContainers().size());
}
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