Repository: hadoop Updated Branches: refs/heads/YARN-4752 40acacee0 -> 0692dfe18
http://git-wip-us.apache.org/repos/asf/hadoop/blob/0692dfe1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java deleted file mode 100644 index 2cbe507..0000000 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java +++ /dev/null @@ -1,1483 +0,0 @@ -/** - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair; - -import org.apache.hadoop.conf.Configuration; -import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; -import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; -import org.apache.hadoop.yarn.api.records.Container; -import org.apache.hadoop.yarn.api.records.ContainerId; -import org.apache.hadoop.yarn.api.records.Resource; -import org.apache.hadoop.yarn.api.records.ResourceRequest; -import org.apache.hadoop.yarn.conf.YarnConfiguration; -import org.apache.hadoop.yarn.event.AsyncDispatcher; -import org.apache.hadoop.yarn.server.resourcemanager.MockNodes; -import org.apache.hadoop.yarn.server.resourcemanager.MockRM; -import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer; -import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt; - -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerRequestKey; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity - .TestUtils; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerPreemptEvent; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeAddedSchedulerEvent; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent; -import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType; -import org.apache.hadoop.yarn.util.ControlledClock; -import org.apache.hadoop.yarn.util.resource.Resources; - -import org.junit.After; -import org.junit.Assert; -import org.junit.Before; -import org.junit.Test; - -import java.io.File; -import java.io.FileWriter; -import java.io.IOException; -import java.io.PrintWriter; -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertTrue; - -public class TestFairSchedulerPreemption extends FairSchedulerTestBase { - private final static String ALLOC_FILE = new File(TEST_DIR, - TestFairSchedulerPreemption.class.getName() + ".xml").getAbsolutePath(); - - private ControlledClock clock; - - private static class StubbedFairScheduler extends FairScheduler { - public long lastPreemptMemory = -1; - - @Override - protected void preemptResources(Resource toPreempt) { - lastPreemptMemory = toPreempt.getMemorySize(); - } - - public void resetLastPreemptResources() { - lastPreemptMemory = -1; - } - } - - public Configuration createConfiguration() { - Configuration conf = super.createConfiguration(); - conf.setClass(YarnConfiguration.RM_SCHEDULER, StubbedFairScheduler.class, - ResourceScheduler.class); - conf.setBoolean(FairSchedulerConfiguration.PREEMPTION, true); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - return conf; - } - - @Before - public void setup() throws IOException { - conf = createConfiguration(); - clock = new ControlledClock(); - } - - @After - public void teardown() { - if (resourceManager != null) { - resourceManager.stop(); - resourceManager = null; - } - conf = null; - } - - private void startResourceManagerWithStubbedFairScheduler(float utilizationThreshold) { - conf.setFloat(FairSchedulerConfiguration.PREEMPTION_THRESHOLD, - utilizationThreshold); - resourceManager = new MockRM(conf); - resourceManager.start(); - - assertTrue( - resourceManager.getResourceScheduler() instanceof StubbedFairScheduler); - scheduler = (FairScheduler)resourceManager.getResourceScheduler(); - - scheduler.setClock(clock); - scheduler.updateInterval = 60 * 1000; - } - - // YARN-4648: The starting code for ResourceManager mock is originated from - // TestFairScheduler. It should be keep as it was to guarantee no changing - // behaviour of ResourceManager preemption. - private void startResourceManagerWithRealFairScheduler() { - scheduler = new FairScheduler(); - conf = new YarnConfiguration(); - conf.setClass(YarnConfiguration.RM_SCHEDULER, FairScheduler.class, - ResourceScheduler.class); - conf.setInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, 0); - conf.setInt(FairSchedulerConfiguration.RM_SCHEDULER_INCREMENT_ALLOCATION_MB, - 1024); - conf.setInt(YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB, 10240); - conf.setBoolean(FairSchedulerConfiguration.ASSIGN_MULTIPLE, false); - conf.setFloat(FairSchedulerConfiguration.PREEMPTION_THRESHOLD, 0f); - conf.setFloat( - FairSchedulerConfiguration - .RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE, - TEST_RESERVATION_THRESHOLD); - - resourceManager = new MockRM(conf); - - // TODO: This test should really be using MockRM. For now starting stuff - // that is needed at a bare minimum. - ((AsyncDispatcher)resourceManager.getRMContext().getDispatcher()).start(); - resourceManager.getRMContext().getStateStore().start(); - - // to initialize the master key - resourceManager.getRMContext().getContainerTokenSecretManager().rollMasterKey(); - - scheduler.setRMContext(resourceManager.getRMContext()); - } - - private void stopResourceManager() { - if (scheduler != null) { - scheduler.stop(); - scheduler = null; - } - if (resourceManager != null) { - resourceManager.stop(); - resourceManager = null; - } - QueueMetrics.clearQueueMetrics(); - DefaultMetricsSystem.shutdown(); - } - - private void registerNodeAndSubmitApp( - int memory, int vcores, int appContainers, int appMemory) { - RMNode node1 = MockNodes.newNodeInfo( - 1, Resources.createResource(memory, vcores), 1, "node1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - assertEquals("Incorrect amount of resources in the cluster", - memory, scheduler.rootMetrics.getAvailableMB()); - assertEquals("Incorrect amount of resources in the cluster", - vcores, scheduler.rootMetrics.getAvailableVirtualCores()); - - createSchedulingRequest(appMemory, "queueA", "user1", appContainers); - scheduler.update(); - // Sufficient node check-ins to fully schedule containers - for (int i = 0; i < 3; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - } - assertEquals("app1's request is not met", - memory - appContainers * appMemory, - scheduler.rootMetrics.getAvailableMB()); - } - - @Test - public void testPreemptionWithFreeResources() throws Exception { - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>1</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>1</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.print("<defaultMinSharePreemptionTimeout>5</defaultMinSharePreemptionTimeout>"); - out.print("<fairSharePreemptionTimeout>10</fairSharePreemptionTimeout>"); - out.println("</allocations>"); - out.close(); - - startResourceManagerWithStubbedFairScheduler(0f); - // Create node with 4GB memory and 4 vcores - registerNodeAndSubmitApp(4 * 1024, 4, 2, 1024); - - // Verify submitting another request triggers preemption - createSchedulingRequest(1024, "queueB", "user1", 1, 1); - scheduler.update(); - clock.tickSec(6); - - ((StubbedFairScheduler) scheduler).resetLastPreemptResources(); - scheduler.preemptTasksIfNecessary(); - assertEquals("preemptResources() should have been called", 1024, - ((StubbedFairScheduler) scheduler).lastPreemptMemory); - - resourceManager.stop(); - - startResourceManagerWithStubbedFairScheduler(0.8f); - // Create node with 4GB memory and 4 vcores - registerNodeAndSubmitApp(4 * 1024, 4, 3, 1024); - - // Verify submitting another request doesn't trigger preemption - createSchedulingRequest(1024, "queueB", "user1", 1, 1); - scheduler.update(); - clock.tickSec(6); - - ((StubbedFairScheduler) scheduler).resetLastPreemptResources(); - scheduler.preemptTasksIfNecessary(); - assertEquals("preemptResources() should not have been called", -1, - ((StubbedFairScheduler) scheduler).lastPreemptMemory); - - resourceManager.stop(); - - startResourceManagerWithStubbedFairScheduler(0.7f); - // Create node with 4GB memory and 4 vcores - registerNodeAndSubmitApp(4 * 1024, 4, 3, 1024); - - // Verify submitting another request triggers preemption - createSchedulingRequest(1024, "queueB", "user1", 1, 1); - scheduler.update(); - clock.tickSec(6); - - ((StubbedFairScheduler) scheduler).resetLastPreemptResources(); - scheduler.preemptTasksIfNecessary(); - assertEquals("preemptResources() should have been called", 1024, - ((StubbedFairScheduler) scheduler).lastPreemptMemory); - } - - @Test (timeout = 5000) - /** - * Make sure containers are chosen to be preempted in the correct order. - */ - public void testChoiceOfPreemptedContainers() throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.setLong(FairSchedulerConfiguration.PREEMPTION_INTERVAL, 5000); - conf.setLong(FairSchedulerConfiguration.WAIT_TIME_BEFORE_KILL, 10000); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE + ".allocation.file", ALLOC_FILE); - conf.set(FairSchedulerConfiguration.USER_AS_DEFAULT_QUEUE, "false"); - - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>.25</weight>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>.25</weight>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>.25</weight>"); - out.println("</queue>"); - out.println("<queue name=\"default\">"); - out.println("<weight>.25</weight>"); - out.println("</queue>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Create two nodes - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(4 * 1024, 4), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - RMNode node2 = - MockNodes.newNodeInfo(1, Resources.createResource(4 * 1024, 4), 2, - "127.0.0.2"); - NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2); - scheduler.handle(nodeEvent2); - - // Queue A and B each request two applications - ApplicationAttemptId app1 = - createSchedulingRequest(1 * 1024, 1, "queueA", "user1", 1, 1); - createSchedulingRequestExistingApplication(1 * 1024, 1, 2, app1); - ApplicationAttemptId app2 = - createSchedulingRequest(1 * 1024, 1, "queueA", "user1", 1, 3); - createSchedulingRequestExistingApplication(1 * 1024, 1, 4, app2); - - ApplicationAttemptId app3 = - createSchedulingRequest(1 * 1024, 1, "queueB", "user1", 1, 1); - createSchedulingRequestExistingApplication(1 * 1024, 1, 2, app3); - ApplicationAttemptId app4 = - createSchedulingRequest(1 * 1024, 1, "queueB", "user1", 1, 3); - createSchedulingRequestExistingApplication(1 * 1024, 1, 4, app4); - - scheduler.update(); - - scheduler.getQueueManager().getLeafQueue("queueA", true) - .setPolicy(SchedulingPolicy.parse("fifo")); - scheduler.getQueueManager().getLeafQueue("queueB", true) - .setPolicy(SchedulingPolicy.parse("fair")); - - // Sufficient node check-ins to fully schedule containers - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - for (int i = 0; i < 4; i++) { - scheduler.handle(nodeUpdate1); - scheduler.handle(nodeUpdate2); - } - - assertEquals(2, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app4).getLiveContainers().size()); - - // Now new requests arrive from queueC and default - createSchedulingRequest(1 * 1024, 1, "queueC", "user1", 1, 1); - createSchedulingRequest(1 * 1024, 1, "queueC", "user1", 1, 1); - createSchedulingRequest(1 * 1024, 1, "default", "user1", 1, 1); - createSchedulingRequest(1 * 1024, 1, "default", "user1", 1, 1); - scheduler.update(); - - // We should be able to claw back one container from queueA and queueB each. - scheduler.preemptResources(Resources.createResource(2 * 1024)); - assertEquals(2, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - - // First verify we are adding containers to preemption list for the app. - // For queueA (fifo), app2 is selected. - // For queueB (fair), app4 is selected. - assertTrue("App2 should have container to be preempted", - !Collections.disjoint( - scheduler.getSchedulerApp(app2).getLiveContainers(), - scheduler.getSchedulerApp(app2).getPreemptionContainers())); - assertTrue("App4 should have container to be preempted", - !Collections.disjoint( - scheduler.getSchedulerApp(app2).getLiveContainers(), - scheduler.getSchedulerApp(app2).getPreemptionContainers())); - - // Pretend 15 seconds have passed - clock.tickSec(15); - - // Trigger a kill by insisting we want containers back - scheduler.preemptResources(Resources.createResource(2 * 1024)); - - // At this point the containers should have been killed (since we are not simulating AM) - assertEquals(1, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(1, scheduler.getSchedulerApp(app4).getLiveContainers().size()); - // Inside each app, containers are sorted according to their priorities. - // Containers with priority 4 are preempted for app2 and app4. - Set<RMContainer> set = new HashSet<RMContainer>(); - for (RMContainer container : - scheduler.getSchedulerApp(app2).getLiveContainers()) { - if (container.getAllocatedSchedulerKey().getPriority().getPriority() == - 4) { - set.add(container); - } - } - for (RMContainer container : - scheduler.getSchedulerApp(app4).getLiveContainers()) { - if (container.getAllocatedSchedulerKey().getPriority().getPriority() == - 4) { - set.add(container); - } - } - assertTrue("Containers with priority=4 in app2 and app4 should be " + - "preempted.", set.isEmpty()); - - // Trigger a kill by insisting we want containers back - scheduler.preemptResources(Resources.createResource(2 * 1024)); - - // Pretend 15 seconds have passed - clock.tickSec(15); - - // We should be able to claw back another container from A and B each. - // For queueA (fifo), continue preempting from app2. - // For queueB (fair), even app4 has a lowest priority container with p=4, it - // still preempts from app3 as app3 is most over fair share. - scheduler.preemptResources(Resources.createResource(2 * 1024)); - - assertEquals(2, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(0, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(1, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - assertEquals(1, scheduler.getSchedulerApp(app4).getLiveContainers().size()); - - // Now A and B are below fair share, so preemption shouldn't do anything - scheduler.preemptResources(Resources.createResource(2 * 1024)); - assertTrue("App1 should have no container to be preempted", - scheduler.getSchedulerApp(app1).getPreemptionContainers().isEmpty()); - assertTrue("App2 should have no container to be preempted", - scheduler.getSchedulerApp(app2).getPreemptionContainers().isEmpty()); - assertTrue("App3 should have no container to be preempted", - scheduler.getSchedulerApp(app3).getPreemptionContainers().isEmpty()); - assertTrue("App4 should have no container to be preempted", - scheduler.getSchedulerApp(app4).getPreemptionContainers().isEmpty()); - stopResourceManager(); - } - - @Test - public void testPreemptionIsNotDelayedToNextRound() throws Exception { - startResourceManagerWithRealFairScheduler(); - - conf.setLong(FairSchedulerConfiguration.PREEMPTION_INTERVAL, 5000); - conf.setLong(FairSchedulerConfiguration.WAIT_TIME_BEFORE_KILL, 10000); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - conf.set(FairSchedulerConfiguration.USER_AS_DEFAULT_QUEUE, "false"); - - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>8</weight>"); - out.println("<queue name=\"queueA1\" />"); - out.println("<queue name=\"queueA2\" />"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>2</weight>"); - out.println("</queue>"); - out.println("<defaultFairSharePreemptionTimeout>10</defaultFairSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionThreshold>.5</defaultFairSharePreemptionThreshold>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Add a node of 8G - RMNode node1 = MockNodes.newNodeInfo(1, - Resources.createResource(8 * 1024, 8), 1, "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - // Run apps in queueA.A1 and queueB - ApplicationAttemptId app1 = createSchedulingRequest(1 * 1024, 1, - "queueA.queueA1", "user1", 7, 1); - // createSchedulingRequestExistingApplication(1 * 1024, 1, 2, app1); - ApplicationAttemptId app2 = createSchedulingRequest(1 * 1024, 1, "queueB", - "user2", 1, 1); - - scheduler.update(); - - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - for (int i = 0; i < 8; i++) { - scheduler.handle(nodeUpdate1); - } - - // verify if the apps got the containers they requested - assertEquals(7, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(1, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - - // Now submit an app in queueA.queueA2 - ApplicationAttemptId app3 = createSchedulingRequest(1 * 1024, 1, - "queueA.queueA2", "user3", 7, 1); - scheduler.update(); - - // Let 11 sec pass - clock.tickSec(11); - - scheduler.update(); - Resource toPreempt = scheduler.resourceDeficit(scheduler.getQueueManager() - .getLeafQueue("queueA.queueA2", false), clock.getTime()); - assertEquals(3277, toPreempt.getMemorySize()); - - // verify if the 3 containers required by queueA2 are preempted in the same - // round - scheduler.preemptResources(toPreempt); - assertEquals(3, scheduler.getSchedulerApp(app1).getPreemptionContainers() - .size()); - stopResourceManager(); - } - - @Test (timeout = 5000) - /** - * Tests the timing of decision to preempt tasks. - */ - public void testPreemptionDecision() throws Exception { - startResourceManagerWithRealFairScheduler(); - - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueD\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<defaultMinSharePreemptionTimeout>5</defaultMinSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionTimeout>10</defaultFairSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionThreshold>.5</defaultFairSharePreemptionThreshold>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Create four nodes - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 2), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - RMNode node2 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 2), 2, - "127.0.0.2"); - NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2); - scheduler.handle(nodeEvent2); - - RMNode node3 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 2), 3, - "127.0.0.3"); - NodeAddedSchedulerEvent nodeEvent3 = new NodeAddedSchedulerEvent(node3); - scheduler.handle(nodeEvent3); - - // Queue A and B each request three containers - ApplicationAttemptId app1 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 1); - ApplicationAttemptId app2 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 2); - ApplicationAttemptId app3 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 3); - - ApplicationAttemptId app4 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 1); - ApplicationAttemptId app5 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 2); - ApplicationAttemptId app6 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 3); - - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - for (int i = 0; i < 2; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - } - - // Now new requests arrive from queues C and D - ApplicationAttemptId app7 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 1); - ApplicationAttemptId app8 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 2); - ApplicationAttemptId app9 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 3); - - ApplicationAttemptId app10 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 1, 1); - ApplicationAttemptId app11 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 1, 2); - ApplicationAttemptId app12 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 1, 3); - - scheduler.update(); - - FSLeafQueue schedC = - scheduler.getQueueManager().getLeafQueue("queueC", true); - FSLeafQueue schedD = - scheduler.getQueueManager().getLeafQueue("queueD", true); - - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(schedC, clock.getTime()))); - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(schedD, clock.getTime()))); - // After minSharePreemptionTime has passed, they should want to preempt min - // share. - clock.tickSec(6); - assertEquals( - 1024, scheduler.resourceDeficit(schedC, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(schedD, clock.getTime()).getMemorySize()); - - // After fairSharePreemptionTime has passed, they should want to preempt - // fair share. - scheduler.update(); - clock.tickSec(6); - assertEquals( - 1536 , scheduler.resourceDeficit(schedC, clock.getTime()).getMemorySize()); - assertEquals( - 1536, scheduler.resourceDeficit(schedD, clock.getTime()).getMemorySize()); - stopResourceManager(); - } - - @Test -/** - * Tests the timing of decision to preempt tasks. - */ - public void testPreemptionDecisionWithDRF() throws Exception { - startResourceManagerWithRealFairScheduler(); - - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,1vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,2vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,3vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueD\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,2vcores</minResources>"); - out.println("</queue>"); - out.println("<defaultMinSharePreemptionTimeout>5</defaultMinSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionTimeout>10</defaultFairSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionThreshold>.5</defaultFairSharePreemptionThreshold>"); - out.println("<defaultQueueSchedulingPolicy>drf</defaultQueueSchedulingPolicy>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Create four nodes - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 4), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - RMNode node2 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 4), 2, - "127.0.0.2"); - NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2); - scheduler.handle(nodeEvent2); - - RMNode node3 = - MockNodes.newNodeInfo(1, Resources.createResource(2 * 1024, 4), 3, - "127.0.0.3"); - NodeAddedSchedulerEvent nodeEvent3 = new NodeAddedSchedulerEvent(node3); - scheduler.handle(nodeEvent3); - - // Queue A and B each request three containers - ApplicationAttemptId app1 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 1); - ApplicationAttemptId app2 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 2); - ApplicationAttemptId app3 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 3); - - ApplicationAttemptId app4 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 1); - ApplicationAttemptId app5 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 2); - ApplicationAttemptId app6 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 1, 3); - - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - for (int i = 0; i < 2; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - } - - // Now new requests arrive from queues C and D - ApplicationAttemptId app7 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 1); - ApplicationAttemptId app8 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 2); - ApplicationAttemptId app9 = - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 3); - - ApplicationAttemptId app10 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 2, 1); - ApplicationAttemptId app11 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 2, 2); - ApplicationAttemptId app12 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 2, 3); - - scheduler.update(); - - FSLeafQueue schedC = - scheduler.getQueueManager().getLeafQueue("queueC", true); - FSLeafQueue schedD = - scheduler.getQueueManager().getLeafQueue("queueD", true); - - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(schedC, clock.getTime()))); - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(schedD, clock.getTime()))); - - // Test : - // 1) whether componentWise min works as expected. - // 2) DRF calculator is used - - // After minSharePreemptionTime has passed, they should want to preempt min - // share. - clock.tickSec(6); - Resource res = scheduler.resourceDeficit(schedC, clock.getTime()); - assertEquals(1024, res.getMemorySize()); - // Demand = 3 - assertEquals(3, res.getVirtualCores()); - - res = scheduler.resourceDeficit(schedD, clock.getTime()); - assertEquals(1024, res.getMemorySize()); - // Demand = 6, but min share = 2 - assertEquals(2, res.getVirtualCores()); - - // After fairSharePreemptionTime has passed, they should want to preempt - // fair share. - scheduler.update(); - clock.tickSec(6); - res = scheduler.resourceDeficit(schedC, clock.getTime()); - assertEquals(1536, res.getMemorySize()); - assertEquals(3, res.getVirtualCores()); - - res = scheduler.resourceDeficit(schedD, clock.getTime()); - assertEquals(1536, res.getMemorySize()); - // Demand = 6, but fair share = 3 - assertEquals(3, res.getVirtualCores()); - stopResourceManager(); - } - - @Test - /** - * Tests the various timing of decision to preempt tasks. - */ - public void testPreemptionDecisionWithVariousTimeout() throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>1</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>2</weight>"); - out.println("<minSharePreemptionTimeout>10</minSharePreemptionTimeout>"); - out.println("<fairSharePreemptionTimeout>25</fairSharePreemptionTimeout>"); - out.println("<queue name=\"queueB1\">"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("<minSharePreemptionTimeout>5</minSharePreemptionTimeout>"); - out.println("</queue>"); - out.println("<queue name=\"queueB2\">"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("<fairSharePreemptionTimeout>20</fairSharePreemptionTimeout>"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>1</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.print("<defaultMinSharePreemptionTimeout>15</defaultMinSharePreemptionTimeout>"); - out.print("<defaultFairSharePreemptionTimeout>30</defaultFairSharePreemptionTimeout>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Check the min/fair share preemption timeout for each queue - QueueManager queueMgr = scheduler.getQueueManager(); - assertEquals(30000, queueMgr.getQueue("root") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("default") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueA") - .getFairSharePreemptionTimeout()); - assertEquals(25000, queueMgr.getQueue("queueB") - .getFairSharePreemptionTimeout()); - assertEquals(25000, queueMgr.getQueue("queueB.queueB1") - .getFairSharePreemptionTimeout()); - assertEquals(20000, queueMgr.getQueue("queueB.queueB2") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueC") - .getFairSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("root") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("default") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueA") - .getMinSharePreemptionTimeout()); - assertEquals(10000, queueMgr.getQueue("queueB") - .getMinSharePreemptionTimeout()); - assertEquals(5000, queueMgr.getQueue("queueB.queueB1") - .getMinSharePreemptionTimeout()); - assertEquals(10000, queueMgr.getQueue("queueB.queueB2") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueC") - .getMinSharePreemptionTimeout()); - - // Create one big node - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(6 * 1024, 6), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - // Queue A takes all resources - for (int i = 0; i < 6; i ++) { - createSchedulingRequest(1 * 1024, "queueA", "user1", 1, 1); - } - - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - for (int i = 0; i < 6; i++) { - scheduler.handle(nodeUpdate1); - } - - // Now new requests arrive from queues B1, B2 and C - createSchedulingRequest(1 * 1024, "queueB.queueB1", "user1", 1, 1); - createSchedulingRequest(1 * 1024, "queueB.queueB1", "user1", 1, 2); - createSchedulingRequest(1 * 1024, "queueB.queueB1", "user1", 1, 3); - createSchedulingRequest(1 * 1024, "queueB.queueB2", "user1", 1, 1); - createSchedulingRequest(1 * 1024, "queueB.queueB2", "user1", 1, 2); - createSchedulingRequest(1 * 1024, "queueB.queueB2", "user1", 1, 3); - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 1); - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 2); - createSchedulingRequest(1 * 1024, "queueC", "user1", 1, 3); - - scheduler.update(); - - FSLeafQueue queueB1 = queueMgr.getLeafQueue("queueB.queueB1", true); - FSLeafQueue queueB2 = queueMgr.getLeafQueue("queueB.queueB2", true); - FSLeafQueue queueC = queueMgr.getLeafQueue("queueC", true); - - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(queueB1, clock.getTime()))); - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(queueB2, clock.getTime()))); - assertTrue(Resources.equals( - Resources.none(), scheduler.resourceDeficit(queueC, clock.getTime()))); - - // After 5 seconds, queueB1 wants to preempt min share - scheduler.update(); - clock.tickSec(6); - assertEquals( - 1024, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 0, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 0, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - - // After 10 seconds, queueB2 wants to preempt min share - scheduler.update(); - clock.tickSec(5); - assertEquals( - 1024, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 0, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - - // After 15 seconds, queueC wants to preempt min share - scheduler.update(); - clock.tickSec(5); - assertEquals( - 1024, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - - // After 20 seconds, queueB2 should want to preempt fair share - scheduler.update(); - clock.tickSec(5); - assertEquals( - 1024, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 1536, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - - // After 25 seconds, queueB1 should want to preempt fair share - scheduler.update(); - clock.tickSec(5); - assertEquals( - 1536, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 1536, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 1024, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - - // After 30 seconds, queueC should want to preempt fair share - scheduler.update(); - clock.tickSec(5); - assertEquals( - 1536, scheduler.resourceDeficit(queueB1, clock.getTime()).getMemorySize()); - assertEquals( - 1536, scheduler.resourceDeficit(queueB2, clock.getTime()).getMemorySize()); - assertEquals( - 1536, scheduler.resourceDeficit(queueC, clock.getTime()).getMemorySize()); - stopResourceManager(); - } - - @Test - /** - * Tests the decision to preempt tasks respect to non-preemptable queues - * 1, Queues as follow: - * queueA(non-preemptable) - * queueB(preemptable) - * parentQueue(non-preemptable) - * --queueC(preemptable) - * queueD(preemptable) - * 2, Submit request to queueA, queueB, queueC, and all of them are over MinShare - * 3, Now all resource are occupied - * 4, Submit request to queueD, and need to preempt resource from other queues - * 5, Only preemptable queue(queueB) would be preempted. - */ - public void testPreemptionDecisionWithNonPreemptableQueue() throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<queue name=\"parentQueue\">"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<queue name=\"queueD\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>2048mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("<defaultMinSharePreemptionTimeout>5</defaultMinSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionTimeout>10</defaultFairSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionThreshold>.5</defaultFairSharePreemptionThreshold>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Create four nodes(3G each) - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - RMNode node2 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 2, - "127.0.0.2"); - NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2); - scheduler.handle(nodeEvent2); - - RMNode node3 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 3, - "127.0.0.3"); - NodeAddedSchedulerEvent nodeEvent3 = new NodeAddedSchedulerEvent(node3); - scheduler.handle(nodeEvent3); - - RMNode node4 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 4, - "127.0.0.4"); - NodeAddedSchedulerEvent nodeEvent4 = new NodeAddedSchedulerEvent(node4); - scheduler.handle(nodeEvent4); - - // Submit apps to queueA, queueB, queueC, - // now all resource of the cluster is occupied - ApplicationAttemptId app1 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 4, 1); - ApplicationAttemptId app2 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 4, 2); - ApplicationAttemptId app3 = - createSchedulingRequest(1 * 1024, "parentQueue.queueC", "user1", 4, 3); - - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - for (int i = 0; i < 3; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - - NodeUpdateSchedulerEvent nodeUpdate4 = new NodeUpdateSchedulerEvent(node4); - scheduler.handle(nodeUpdate4); - } - - assertEquals(4, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - - // Now new requests arrive from queues D - ApplicationAttemptId app4 = - createSchedulingRequest(1 * 1024, "queueD", "user1", 4, 1); - scheduler.update(); - FSLeafQueue schedD = - scheduler.getQueueManager().getLeafQueue("queueD", true); - - // After minSharePreemptionTime has passed, 2G resource should preempted from - // queueB to queueD - clock.tickSec(6); - assertEquals(2048, - scheduler.resourceDeficit(schedD, clock.getTime()).getMemorySize()); - - scheduler.preemptResources(Resources.createResource(2 * 1024)); - // now only app2 is selected to be preempted - assertTrue("App2 should have container to be preempted", - !Collections.disjoint( - scheduler.getSchedulerApp(app2).getLiveContainers(), - scheduler.getSchedulerApp(app2).getPreemptionContainers())); - assertTrue("App1 should not have container to be preempted", - Collections.disjoint( - scheduler.getSchedulerApp(app1).getLiveContainers(), - scheduler.getSchedulerApp(app1).getPreemptionContainers())); - assertTrue("App3 should not have container to be preempted", - Collections.disjoint( - scheduler.getSchedulerApp(app3).getLiveContainers(), - scheduler.getSchedulerApp(app3).getPreemptionContainers())); - // Pretend 20 seconds have passed - clock.tickSec(20); - scheduler.preemptResources(Resources.createResource(2 * 1024)); - for (int i = 0; i < 3; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - - NodeUpdateSchedulerEvent nodeUpdate4 = new NodeUpdateSchedulerEvent(node4); - scheduler.handle(nodeUpdate4); - } - // after preemption - assertEquals(4, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - assertEquals(2, scheduler.getSchedulerApp(app4).getLiveContainers().size()); - stopResourceManager(); - } - - @Test - /** - * Tests the decision to preempt tasks when allowPreemptionFrom is set false on - * all queues. - * Then none of them would be preempted actually. - * 1, Queues as follow: - * queueA(non-preemptable) - * queueB(non-preemptable) - * parentQueue(non-preemptable) - * --queueC(preemptable) - * parentQueue(preemptable) - * --queueD(non-preemptable) - * 2, Submit request to queueB, queueC, queueD, and all of them are over MinShare - * 3, Now all resource are occupied - * 4, Submit request to queueA, and need to preempt resource from other queues - * 5, None of queues would be preempted. - */ - public void testPreemptionDecisionWhenPreemptionDisabledOnAllQueues() - throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("<maxResources>0mb,0vcores</maxResources>"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>2048mb,0vcores</minResources>"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("</queue>"); - out.println("<queue name=\"parentQueue1\">"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("<queue name=\"queueC\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<queue name=\"parentQueue2\">"); - out.println("<queue name=\"queueD\">"); - out.println("<weight>.25</weight>"); - out.println("<minResources>1024mb,0vcores</minResources>"); - out.println("<allowPreemptionFrom>false</allowPreemptionFrom>"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<defaultMinSharePreemptionTimeout>5</defaultMinSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionTimeout>10</defaultFairSharePreemptionTimeout>"); - out.println("<defaultFairSharePreemptionThreshold>.5</defaultFairSharePreemptionThreshold>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Create four nodes(3G each) - RMNode node1 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 1, - "127.0.0.1"); - NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1); - scheduler.handle(nodeEvent1); - - RMNode node2 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 2, - "127.0.0.2"); - NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2); - scheduler.handle(nodeEvent2); - - RMNode node3 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 3, - "127.0.0.3"); - NodeAddedSchedulerEvent nodeEvent3 = new NodeAddedSchedulerEvent(node3); - scheduler.handle(nodeEvent3); - - RMNode node4 = - MockNodes.newNodeInfo(1, Resources.createResource(3 * 1024, 3), 4, - "127.0.0.4"); - NodeAddedSchedulerEvent nodeEvent4 = new NodeAddedSchedulerEvent(node4); - scheduler.handle(nodeEvent4); - - // Submit apps to queueB, queueC, queueD - // now all resource of the cluster is occupied - - ApplicationAttemptId app1 = - createSchedulingRequest(1 * 1024, "queueB", "user1", 4, 1); - ApplicationAttemptId app2 = - createSchedulingRequest(1 * 1024, "parentQueue1.queueC", "user1", 4, 2); - ApplicationAttemptId app3 = - createSchedulingRequest(1 * 1024, "parentQueue2.queueD", "user1", 4, 3); - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - for (int i = 0; i < 3; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - - NodeUpdateSchedulerEvent nodeUpdate4 = new NodeUpdateSchedulerEvent(node4); - scheduler.handle(nodeUpdate4); - } - - assertEquals(4, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - - // Now new requests arrive from queues A - ApplicationAttemptId app4 = - createSchedulingRequest(1 * 1024, "queueA", "user1", 4, 1); - scheduler.update(); - FSLeafQueue schedA = - scheduler.getQueueManager().getLeafQueue("queueA", true); - - // After minSharePreemptionTime has passed, resource deficit is 2G - clock.tickSec(6); - assertEquals(2048, - scheduler.resourceDeficit(schedA, clock.getTime()).getMemorySize()); - - scheduler.preemptResources(Resources.createResource(2 * 1024)); - // now none app is selected to be preempted - assertTrue("App1 should have container to be preempted", - Collections.disjoint( - scheduler.getSchedulerApp(app1).getLiveContainers(), - scheduler.getSchedulerApp(app1).getPreemptionContainers())); - assertTrue("App2 should not have container to be preempted", - Collections.disjoint( - scheduler.getSchedulerApp(app2).getLiveContainers(), - scheduler.getSchedulerApp(app2).getPreemptionContainers())); - assertTrue("App3 should not have container to be preempted", - Collections.disjoint( - scheduler.getSchedulerApp(app3).getLiveContainers(), - scheduler.getSchedulerApp(app3).getPreemptionContainers())); - // Pretend 20 seconds have passed - clock.tickSec(20); - scheduler.preemptResources(Resources.createResource(2 * 1024)); - for (int i = 0; i < 3; i++) { - NodeUpdateSchedulerEvent nodeUpdate1 = new NodeUpdateSchedulerEvent(node1); - scheduler.handle(nodeUpdate1); - - NodeUpdateSchedulerEvent nodeUpdate2 = new NodeUpdateSchedulerEvent(node2); - scheduler.handle(nodeUpdate2); - - NodeUpdateSchedulerEvent nodeUpdate3 = new NodeUpdateSchedulerEvent(node3); - scheduler.handle(nodeUpdate3); - - NodeUpdateSchedulerEvent nodeUpdate4 = new NodeUpdateSchedulerEvent(node4); - scheduler.handle(nodeUpdate4); - } - // after preemption - assertEquals(4, scheduler.getSchedulerApp(app1).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app2).getLiveContainers().size()); - assertEquals(4, scheduler.getSchedulerApp(app3).getLiveContainers().size()); - assertEquals(0, scheduler.getSchedulerApp(app4).getLiveContainers().size()); - stopResourceManager(); - } - - @Test - public void testBackwardsCompatiblePreemptionConfiguration() throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE); - - PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<queue name=\"queueB1\">"); - out.println("<minSharePreemptionTimeout>5</minSharePreemptionTimeout>"); - out.println("</queue>"); - out.println("<queue name=\"queueB2\">"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("</queue>"); - out.print("<defaultMinSharePreemptionTimeout>15</defaultMinSharePreemptionTimeout>"); - out.print("<defaultFairSharePreemptionTimeout>30</defaultFairSharePreemptionTimeout>"); - out.print("<fairSharePreemptionTimeout>40</fairSharePreemptionTimeout>"); - out.println("</allocations>"); - out.close(); - - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - // Check the min/fair share preemption timeout for each queue - QueueManager queueMgr = scheduler.getQueueManager(); - assertEquals(30000, queueMgr.getQueue("root") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("default") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueA") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueB") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueB.queueB1") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueB.queueB2") - .getFairSharePreemptionTimeout()); - assertEquals(30000, queueMgr.getQueue("queueC") - .getFairSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("root") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("default") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueA") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueB") - .getMinSharePreemptionTimeout()); - assertEquals(5000, queueMgr.getQueue("queueB.queueB1") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueB.queueB2") - .getMinSharePreemptionTimeout()); - assertEquals(15000, queueMgr.getQueue("queueC") - .getMinSharePreemptionTimeout()); - - // If both exist, we take the default one - out = new PrintWriter(new FileWriter(ALLOC_FILE)); - out.println("<?xml version=\"1.0\"?>"); - out.println("<allocations>"); - out.println("<queue name=\"default\">"); - out.println("</queue>"); - out.println("<queue name=\"queueA\">"); - out.println("</queue>"); - out.println("<queue name=\"queueB\">"); - out.println("<queue name=\"queueB1\">"); - out.println("<minSharePreemptionTimeout>5</minSharePreemptionTimeout>"); - out.println("</queue>"); - out.println("<queue name=\"queueB2\">"); - out.println("</queue>"); - out.println("</queue>"); - out.println("<queue name=\"queueC\">"); - out.println("</queue>"); - out.print("<defaultMinSharePreemptionTimeout>15</defaultMinSharePreemptionTimeout>"); - out.print("<defaultFairSharePreemptionTimeout>25</defaultFairSharePreemptionTimeout>"); - out.print("<fairSharePreemptionTimeout>30</fairSharePreemptionTimeout>"); - out.println("</allocations>"); - out.close(); - - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - assertEquals(25000, queueMgr.getQueue("root") - .getFairSharePreemptionTimeout()); - stopResourceManager(); - } - - @Test(timeout = 5000) - public void testRecoverRequestAfterPreemption() throws Exception { - startResourceManagerWithRealFairScheduler(); - conf.setLong(FairSchedulerConfiguration.WAIT_TIME_BEFORE_KILL, 10); - - ControlledClock clock = new ControlledClock(); - scheduler.setClock(clock); - scheduler.init(conf); - scheduler.start(); - scheduler.reinitialize(conf, resourceManager.getRMContext()); - - SchedulerRequestKey schedulerKey = TestUtils.toSchedulerKey(20); - String host = "127.0.0.1"; - int GB = 1024; - - // Create Node and raised Node Added event - RMNode node = MockNodes.newNodeInfo(1, - Resources.createResource(16 * 1024, 4), 0, host); - NodeAddedSchedulerEvent nodeEvent = new NodeAddedSchedulerEvent(node); - scheduler.handle(nodeEvent); - - // Create 3 container requests and place it in ask - List<ResourceRequest> ask = new ArrayList<ResourceRequest>(); - ResourceRequest nodeLocalRequest = createResourceRequest(GB, 1, host, - schedulerKey.getPriority().getPriority(), 1, true); - ResourceRequest rackLocalRequest = createResourceRequest(GB, 1, - node.getRackName(), schedulerKey.getPriority().getPriority(), 1, - true); - ResourceRequest offRackRequest = createResourceRequest(GB, 1, - ResourceRequest.ANY, schedulerKey.getPriority().getPriority(), 1, true); - ask.add(nodeLocalRequest); - ask.add(rackLocalRequest); - ask.add(offRackRequest); - - // Create Request and update - ApplicationAttemptId appAttemptId = createSchedulingRequest("queueA", - "user1", ask); - scheduler.update(); - - // Sufficient node check-ins to fully schedule containers - NodeUpdateSchedulerEvent nodeUpdate = new NodeUpdateSchedulerEvent(node); - scheduler.handle(nodeUpdate); - - assertEquals(1, scheduler.getSchedulerApp(appAttemptId).getLiveContainers() - .size()); - SchedulerApplicationAttempt app = scheduler.getSchedulerApp(appAttemptId); - - // ResourceRequest will be empty once NodeUpdate is completed - Assert.assertNull(app.getResourceRequest(schedulerKey, host)); - - ContainerId containerId1 = ContainerId.newContainerId(appAttemptId, 1); - RMContainer rmContainer = app.getRMContainer(containerId1); - - // Create a preempt event and register for preemption - scheduler.warnOrKillContainer(rmContainer); - - // Wait for few clock ticks - clock.tickSec(5); - - // preempt now - scheduler.warnOrKillContainer(rmContainer); - - // Trigger container rescheduled event - scheduler.handle(new ContainerPreemptEvent(appAttemptId, rmContainer, - SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE)); - - List<ResourceRequest> requests = rmContainer.getResourceRequests(); - // Once recovered, resource request will be present again in app - Assert.assertEquals(3, requests.size()); - for (ResourceRequest request : requests) { - Assert.assertEquals(1, - app.getResourceRequest(schedulerKey, request.getResourceName()) - .getNumContainers()); - } - - // Send node heartbeat - scheduler.update(); - scheduler.handle(nodeUpdate); - - List<Container> containers = scheduler.allocate(appAttemptId, - Collections.<ResourceRequest> emptyList(), - Collections.<ContainerId> emptyList(), null, null, null, null).getContainers(); - - // Now with updated ResourceRequest, a container is allocated for AM. - Assert.assertTrue(containers.size() == 1); - stopResourceManager(); - } -} --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
