| /** |
| * 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.applicationsmanager; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse; |
| import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse; |
| import org.apache.hadoop.yarn.api.records.ApplicationAccessType; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerExitStatus; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.ContainerState; |
| import org.apache.hadoop.yarn.api.records.ContainerStatus; |
| import org.apache.hadoop.yarn.api.records.NMToken; |
| import org.apache.hadoop.yarn.api.records.ResourceRequest; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus; |
| import org.apache.hadoop.yarn.server.resourcemanager.MockAM; |
| import org.apache.hadoop.yarn.server.resourcemanager.MockNM; |
| import org.apache.hadoop.yarn.server.resourcemanager.MockRM; |
| import org.apache.hadoop.yarn.server.resourcemanager.MockMemoryRMStateStore; |
| import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore; |
| import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerState; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.TestSchedulerUtils; |
| import org.apache.hadoop.yarn.util.ControlledClock; |
| import org.apache.hadoop.yarn.util.Records; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestAMRestart { |
| |
| @Test(timeout = 30000) |
| public void testAMRestartWithExistingContainers() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| RMApp app1 = |
| rm1.submitApp(200, "name", "user", |
| new HashMap<ApplicationAccessType, String>(), false, "default", -1, |
| null, "MAPREDUCE", false, true); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 10240, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| MockNM nm2 = |
| new MockNM("127.0.0.1:2351", 4089, rm1.getResourceTrackerService()); |
| nm2.registerNode(); |
| |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| int NUM_CONTAINERS = 3; |
| allocateContainers(nm1, am1, NUM_CONTAINERS); |
| |
| // launch the 2nd container, for testing running container transferred. |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING); |
| ContainerId containerId2 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 2); |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| |
| // launch the 3rd container, for testing container allocated by previous |
| // attempt is completed by the next new attempt/ |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.RUNNING); |
| ContainerId containerId3 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 3); |
| rm1.waitForState(nm1, containerId3, RMContainerState.RUNNING); |
| |
| // 4th container still in AQUIRED state. for testing Acquired container is |
| // always killed. |
| ContainerId containerId4 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 4); |
| rm1.waitForState(nm1, containerId4, RMContainerState.ACQUIRED); |
| |
| // 5th container is in Allocated state. for testing allocated container is |
| // always killed. |
| am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>()); |
| nm1.nodeHeartbeat(true); |
| ContainerId containerId5 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 5); |
| rm1.waitForState(nm1, containerId5, RMContainerState.ALLOCATED); |
| |
| // 6th container is in Reserved state. |
| am1.allocate("127.0.0.1", 6000, 1, new ArrayList<ContainerId>()); |
| ContainerId containerId6 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 6); |
| nm1.nodeHeartbeat(true); |
| SchedulerApplicationAttempt schedulerAttempt = |
| ((AbstractYarnScheduler) rm1.getResourceScheduler()) |
| .getCurrentAttemptForContainer(containerId6); |
| while (schedulerAttempt.getReservedContainers().isEmpty()) { |
| System.out.println("Waiting for container " + containerId6 |
| + " to be reserved."); |
| nm1.nodeHeartbeat(true); |
| Thread.sleep(200); |
| } |
| // assert containerId6 is reserved. |
| Assert.assertEquals(containerId6, schedulerAttempt.getReservedContainers() |
| .get(0).getContainerId()); |
| |
| // fail the AM by sending CONTAINER_FINISHED event without registering. |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| |
| // wait for some time. previous AM's running containers should still remain |
| // in scheduler even though am failed |
| Thread.sleep(3000); |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| // acquired/allocated containers are cleaned up. |
| Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId4)); |
| Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId5)); |
| |
| // wait for app to start a new attempt. |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| // assert this is a new AM. |
| ApplicationAttemptId newAttemptId = |
| app1.getCurrentAppAttempt().getAppAttemptId(); |
| Assert.assertFalse(newAttemptId.equals(am1.getApplicationAttemptId())); |
| |
| // launch the new AM |
| MockAM am2 = rm1.launchAM(app1, rm1, nm1); |
| RegisterApplicationMasterResponse registerResponse = |
| am2.registerAppAttempt(); |
| |
| |
| // Assert two containers are running: container2 and container3; |
| Assert.assertEquals(2, registerResponse.getContainersFromPreviousAttempts() |
| .size()); |
| boolean containerId2Exists = false, containerId3Exists = false; |
| for (Container container : registerResponse |
| .getContainersFromPreviousAttempts()) { |
| if (container.getId().equals(containerId2)) { |
| containerId2Exists = true; |
| } |
| if (container.getId().equals(containerId3)) { |
| containerId3Exists = true; |
| } |
| } |
| Assert.assertTrue(containerId2Exists && containerId3Exists); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING); |
| |
| // complete container by sending the container complete event which has earlier |
| // attempt's attemptId |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.COMPLETE); |
| |
| // Even though the completed container containerId3 event was sent to the |
| // earlier failed attempt, new RMAppAttempt can also capture this container |
| // info. |
| // completed containerId4 is also transferred to the new attempt. |
| RMAppAttempt newAttempt = |
| app1.getRMAppAttempt(am2.getApplicationAttemptId()); |
| // 4 containers finished, acquired/allocated/reserved/completed. |
| waitForContainersToFinish(4, newAttempt); |
| boolean container3Exists = false, container4Exists = false, container5Exists = |
| false, container6Exists = false; |
| for(ContainerStatus status : newAttempt.getJustFinishedContainers()) { |
| if(status.getContainerId().equals(containerId3)) { |
| // containerId3 is the container ran by previous attempt but finished by the |
| // new attempt. |
| container3Exists = true; |
| } |
| if (status.getContainerId().equals(containerId4)) { |
| // containerId4 is the Acquired Container killed by the previous attempt, |
| // it's now inside new attempt's finished container list. |
| container4Exists = true; |
| } |
| if (status.getContainerId().equals(containerId5)) { |
| // containerId5 is the Allocated container killed by previous failed attempt. |
| container5Exists = true; |
| } |
| if (status.getContainerId().equals(containerId6)) { |
| // containerId6 is the reserved container killed by previous failed attempt. |
| container6Exists = true; |
| } |
| } |
| Assert.assertTrue(container3Exists && container4Exists && container5Exists |
| && container6Exists); |
| |
| // New SchedulerApplicationAttempt also has the containers info. |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| |
| // record the scheduler attempt for testing. |
| SchedulerApplicationAttempt schedulerNewAttempt = |
| ((AbstractYarnScheduler) rm1.getResourceScheduler()) |
| .getCurrentAttemptForContainer(containerId2); |
| // finish this application |
| MockRM.finishAMAndVerifyAppState(app1, rm1, nm1, am2); |
| |
| // the 2nd attempt released the 1st attempt's running container, when the |
| // 2nd attempt finishes. |
| Assert.assertFalse(schedulerNewAttempt.getLiveContainers().contains( |
| containerId2)); |
| // all 4 normal containers finished. |
| System.out.println("New attempt's just finished containers: " |
| + newAttempt.getJustFinishedContainers()); |
| waitForContainersToFinish(5, newAttempt); |
| rm1.stop(); |
| } |
| |
| public static List<Container> allocateContainers(MockNM nm1, MockAM am1, |
| int NUM_CONTAINERS) throws Exception { |
| // allocate NUM_CONTAINERS containers |
| am1.allocate("127.0.0.1", 1024, NUM_CONTAINERS, |
| new ArrayList<ContainerId>()); |
| nm1.nodeHeartbeat(true); |
| |
| // wait for containers to be allocated. |
| List<Container> containers = |
| am1.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers(); |
| while (containers.size() != NUM_CONTAINERS) { |
| nm1.nodeHeartbeat(true); |
| containers.addAll(am1.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers()); |
| Thread.sleep(200); |
| } |
| |
| Assert.assertEquals("Did not get all containers allocated", |
| NUM_CONTAINERS, containers.size()); |
| return containers; |
| } |
| |
| private void waitForContainersToFinish(int expectedNum, RMAppAttempt attempt) |
| throws InterruptedException { |
| int count = 0; |
| while (attempt.getJustFinishedContainers().size() < expectedNum |
| && count < 500) { |
| Thread.sleep(100); |
| count++; |
| } |
| } |
| |
| @Test(timeout = 30000) |
| public void testNMTokensRebindOnAMRestart() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 3); |
| // To prevent test from blacklisting nm1 for AM, we sit threshold to half |
| // of 2 nodes which is 1 |
| conf.setFloat( |
| YarnConfiguration.AM_SCHEDULING_NODE_BLACKLISTING_DISABLE_THRESHOLD, |
| 0.5f); |
| |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| RMApp app1 = |
| rm1.submitApp(200, "myname", "myuser", |
| new HashMap<ApplicationAccessType, String>(), false, "default", -1, |
| null, "MAPREDUCE", false, true); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| MockNM nm2 = |
| new MockNM("127.1.1.1:4321", 8000, rm1.getResourceTrackerService()); |
| nm2.registerNode(); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| |
| List<Container> containers = new ArrayList<Container>(); |
| // nmTokens keeps track of all the nmTokens issued in the allocate call. |
| List<NMToken> expectedNMTokens = new ArrayList<NMToken>(); |
| |
| // am1 allocate 2 container on nm1. |
| // first container |
| while (true) { |
| AllocateResponse response = |
| am1.allocate("127.0.0.1", 2000, 2, |
| new ArrayList<ContainerId>()); |
| nm1.nodeHeartbeat(true); |
| containers.addAll(response.getAllocatedContainers()); |
| expectedNMTokens.addAll(response.getNMTokens()); |
| if (containers.size() == 2) { |
| break; |
| } |
| Thread.sleep(200); |
| System.out.println("Waiting for container to be allocated."); |
| } |
| // launch the container-2 |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING); |
| ContainerId containerId2 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 2); |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| // launch the container-3 |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.RUNNING); |
| ContainerId containerId3 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 3); |
| rm1.waitForState(nm1, containerId3, RMContainerState.RUNNING); |
| |
| // fail am1 |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| |
| // restart the am |
| MockAM am2 = MockRM.launchAM(app1, rm1, nm1); |
| RegisterApplicationMasterResponse registerResponse = |
| am2.registerAppAttempt(); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // check am2 get the nm token from am1. |
| Assert.assertEquals(expectedNMTokens.size(), |
| registerResponse.getNMTokensFromPreviousAttempts().size()); |
| for (int i = 0; i < expectedNMTokens.size(); i++) { |
| Assert.assertTrue(expectedNMTokens.get(i) |
| .equals(registerResponse.getNMTokensFromPreviousAttempts().get(i))); |
| } |
| |
| // am2 allocate 1 container on nm2 |
| containers = new ArrayList<Container>(); |
| while (true) { |
| AllocateResponse allocateResponse = |
| am2.allocate("127.1.1.1", 4000, 1, |
| new ArrayList<ContainerId>()); |
| nm2.nodeHeartbeat(true); |
| containers.addAll(allocateResponse.getAllocatedContainers()); |
| expectedNMTokens.addAll(allocateResponse.getNMTokens()); |
| if (containers.size() == 1) { |
| break; |
| } |
| Thread.sleep(200); |
| System.out.println("Waiting for container to be allocated."); |
| } |
| nm1.nodeHeartbeat(am2.getApplicationAttemptId(), 2, ContainerState.RUNNING); |
| ContainerId am2ContainerId2 = |
| ContainerId.newContainerId(am2.getApplicationAttemptId(), 2); |
| rm1.waitForState(nm1, am2ContainerId2, RMContainerState.RUNNING); |
| |
| // fail am2. |
| nm1.nodeHeartbeat(am2.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| |
| // restart am |
| MockAM am3 = MockRM.launchAM(app1, rm1, nm1); |
| registerResponse = am3.registerAppAttempt(); |
| rm1.waitForState(am3.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // check am3 get the NM token from both am1 and am2; |
| List<NMToken> transferredTokens = registerResponse.getNMTokensFromPreviousAttempts(); |
| Assert.assertEquals(2, transferredTokens.size()); |
| Assert.assertTrue(transferredTokens.containsAll(expectedNMTokens)); |
| rm1.stop(); |
| } |
| |
| // AM container preempted, nm disk failure |
| // should not be counted towards AM max retry count. |
| @Test(timeout = 100000) |
| public void testShouldNotCountFailureToMaxAttemptRetry() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| RMApp app1 = rm1.submitApp(200); |
| RMAppAttempt attempt1 = app1.getCurrentAppAttempt(); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| AbstractYarnScheduler scheduler = |
| (AbstractYarnScheduler) rm1.getResourceScheduler(); |
| ContainerId amContainer = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 1); |
| // Preempt the next attempt; |
| scheduler.killContainer(scheduler.getRMContainer(amContainer)); |
| |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am1.getApplicationAttemptId()); |
| |
| Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry()); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| ApplicationStateData appState = |
| ((MemoryRMStateStore) rm1.getRMStateStore()).getState() |
| .getApplicationState().get(app1.getApplicationId()); |
| |
| // AM should be restarted even though max-am-attempt is 1. |
| MockAM am2 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 2, nm1); |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| |
| // Preempt the second attempt. |
| ContainerId amContainer2 = |
| ContainerId.newContainerId(am2.getApplicationAttemptId(), 1); |
| scheduler.killContainer(scheduler.getRMContainer(amContainer2)); |
| |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am2.getApplicationAttemptId()); |
| |
| Assert.assertTrue(! attempt2.shouldCountTowardsMaxAttemptRetry()); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| MockAM am3 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 3, nm1); |
| RMAppAttempt attempt3 = app1.getCurrentAppAttempt(); |
| |
| // mimic NM disk_failure |
| ContainerStatus containerStatus = Records.newRecord(ContainerStatus.class); |
| containerStatus.setContainerId(attempt3.getMasterContainer().getId()); |
| containerStatus.setDiagnostics("mimic NM disk_failure"); |
| containerStatus.setState(ContainerState.COMPLETE); |
| containerStatus.setExitStatus(ContainerExitStatus.DISKS_FAILED); |
| Map<ApplicationId, List<ContainerStatus>> conts = |
| new HashMap<ApplicationId, List<ContainerStatus>>(); |
| conts.put(app1.getApplicationId(), |
| Collections.singletonList(containerStatus)); |
| nm1.nodeHeartbeat(conts, true); |
| |
| rm1.waitForState(am3.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am3.getApplicationAttemptId()); |
| |
| Assert.assertTrue(! attempt3.shouldCountTowardsMaxAttemptRetry()); |
| Assert.assertEquals(ContainerExitStatus.DISKS_FAILED, |
| appState.getAttempt(am3.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| MockAM am4 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 4, nm1); |
| RMAppAttempt attempt4 = app1.getCurrentAppAttempt(); |
| |
| // create second NM, and register to rm1 |
| MockNM nm2 = |
| new MockNM("127.0.0.1:2234", 8000, rm1.getResourceTrackerService()); |
| nm2.registerNode(); |
| // nm1 heartbeats to report unhealthy |
| // This will mimic ContainerExitStatus.ABORT |
| nm1.nodeHeartbeat(false); |
| rm1.waitForState(am4.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am4.getApplicationAttemptId()); |
| |
| Assert.assertFalse(attempt4.shouldCountTowardsMaxAttemptRetry()); |
| Assert.assertEquals(ContainerExitStatus.ABORTED, |
| appState.getAttempt(am4.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| // launch next AM in nm2 |
| MockAM am5 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 5, nm2); |
| RMAppAttempt attempt5 = app1.getCurrentAppAttempt(); |
| // fail the AM normally |
| nm2 |
| .nodeHeartbeat(am5.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am5.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am5.getApplicationAttemptId()); |
| |
| Assert.assertTrue(attempt5.shouldCountTowardsMaxAttemptRetry()); |
| |
| // launch next AM in nm2 |
| MockAM am6 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 6, nm2); |
| RMAppAttempt attempt6 = app1.getCurrentAppAttempt(); |
| |
| // fail the AM normally |
| nm2 |
| .nodeHeartbeat(am6.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am6.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am6.getApplicationAttemptId()); |
| |
| Assert.assertTrue(attempt6.shouldCountTowardsMaxAttemptRetry()); |
| |
| // AM should not be restarted. |
| rm1.waitForState(app1.getApplicationId(), RMAppState.FAILED); |
| Assert.assertEquals(6, app1.getAppAttempts().size()); |
| rm1.stop(); |
| } |
| |
| @Test(timeout = 100000) |
| public void testMaxAttemptOneMeansOne() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 1); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| RMApp app1 = rm1.submitApp(200); |
| RMAppAttempt attempt1 = app1.getCurrentAppAttempt(); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| AbstractYarnScheduler scheduler = |
| (AbstractYarnScheduler) rm1.getResourceScheduler(); |
| ContainerId amContainer = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 1); |
| // Preempt the attempt; |
| scheduler.killContainer(scheduler.getRMContainer(amContainer)); |
| |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am1.getApplicationAttemptId()); |
| |
| // AM should not be restarted. |
| rm1.waitForState(app1.getApplicationId(), RMAppState.FAILED); |
| Assert.assertEquals(1, app1.getAppAttempts().size()); |
| rm1.stop(); |
| } |
| |
| // Test RM restarts after AM container is preempted, new RM should not count |
| // AM preemption failure towards the max-retry-account and should be able to |
| // re-launch the AM. |
| @Test(timeout = 60000) |
| public void testPreemptedAMRestartOnRMRestart() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, false); |
| |
| conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| |
| MockRM rm1 = new MockRM(conf); |
| MemoryRMStateStore memStore = (MemoryRMStateStore) rm1.getRMStateStore(); |
| rm1.start(); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| RMApp app1 = rm1.submitApp(200); |
| RMAppAttempt attempt1 = app1.getCurrentAppAttempt(); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| AbstractYarnScheduler scheduler = |
| (AbstractYarnScheduler) rm1.getResourceScheduler(); |
| ContainerId amContainer = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 1); |
| |
| // fail the AM normally |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, |
| ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am1.getApplicationAttemptId()); |
| Assert.assertTrue(attempt1.shouldCountTowardsMaxAttemptRetry()); |
| |
| // wait for the next AM to start |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| MockAM am2 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 2, nm1); |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| |
| // Forcibly preempt the am container; |
| amContainer = ContainerId.newContainerId(am2.getApplicationAttemptId(), 1); |
| scheduler.killContainer(scheduler.getRMContainer(amContainer)); |
| |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| Assert.assertFalse(attempt2.shouldCountTowardsMaxAttemptRetry()); |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| |
| // state store has 2 attempts stored. |
| ApplicationStateData appState = |
| memStore.getState().getApplicationState().get(app1.getApplicationId()); |
| Assert.assertEquals(2, appState.getAttemptCount()); |
| // attempt stored has the preempted container exit status. |
| Assert.assertEquals(ContainerExitStatus.PREEMPTED, |
| appState.getAttempt(am2.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| // Restart rm. |
| MockRM rm2 = new MockRM(conf, memStore); |
| nm1.setResourceTrackerService(rm2.getResourceTrackerService()); |
| nm1.registerNode(); |
| rm2.start(); |
| |
| // Restarted RM should re-launch the am. |
| MockAM am3 = |
| rm2.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 2, nm1); |
| MockRM.finishAMAndVerifyAppState(app1, rm2, nm1, am3); |
| RMAppAttempt attempt3 = |
| rm2.getRMContext().getRMApps().get(app1.getApplicationId()) |
| .getCurrentAppAttempt(); |
| Assert.assertTrue(attempt3.shouldCountTowardsMaxAttemptRetry()); |
| Assert.assertEquals(ContainerExitStatus.INVALID, |
| appState.getAttempt(am3.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| rm1.stop(); |
| rm2.stop(); |
| } |
| |
| // Test regular RM restart/failover, new RM should not count |
| // AM failure towards the max-retry-account and should be able to |
| // re-launch the AM. |
| @Test(timeout = 50000) |
| public void testRMRestartOrFailoverNotCountedForAMFailures() |
| throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, false); |
| |
| conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); |
| // explicitly set max-am-retry count as 2. |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| |
| MockRM rm1 = new MockRM(conf); |
| MemoryRMStateStore memStore = (MemoryRMStateStore) rm1.getRMStateStore(); |
| rm1.start(); |
| AbstractYarnScheduler scheduler = |
| (AbstractYarnScheduler) rm1.getResourceScheduler(); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| RMApp app1 = rm1.submitApp(200); |
| // AM should be restarted even though max-am-attempt is 1. |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| RMAppAttempt attempt1 = app1.getCurrentAppAttempt(); |
| |
| // fail the AM normally |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, |
| ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| TestSchedulerUtils.waitSchedulerApplicationAttemptStopped(scheduler, |
| am1.getApplicationAttemptId()); |
| Assert.assertTrue(attempt1.shouldCountTowardsMaxAttemptRetry()); |
| |
| // wait for the next AM to start |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| MockAM am2 = |
| rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 2, nm1); |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| |
| // Restart rm. |
| MockRM rm2 = new MockRM(conf, memStore); |
| rm2.start(); |
| ApplicationStateData appState = |
| memStore.getState().getApplicationState().get(app1.getApplicationId()); |
| // re-register the NM |
| nm1.setResourceTrackerService(rm2.getResourceTrackerService()); |
| NMContainerStatus status = Records.newRecord(NMContainerStatus.class); |
| status |
| .setContainerExitStatus(ContainerExitStatus.KILLED_BY_RESOURCEMANAGER); |
| status.setContainerId(attempt2.getMasterContainer().getId()); |
| status.setContainerState(ContainerState.COMPLETE); |
| status.setDiagnostics(""); |
| nm1.registerNode(Collections.singletonList(status), null); |
| |
| rm2.waitForState(attempt2.getAppAttemptId(), RMAppAttemptState.FAILED); |
| Assert.assertEquals(ContainerExitStatus.KILLED_BY_RESOURCEMANAGER, |
| appState.getAttempt(am2.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| // Will automatically start a new AppAttempt in rm2 |
| rm2.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| MockAM am3 = |
| rm2.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 3, nm1); |
| MockRM.finishAMAndVerifyAppState(app1, rm2, nm1, am3); |
| RMAppAttempt attempt3 = |
| rm2.getRMContext().getRMApps().get(app1.getApplicationId()) |
| .getCurrentAppAttempt(); |
| Assert.assertTrue(attempt3.shouldCountTowardsMaxAttemptRetry()); |
| Assert.assertEquals(ContainerExitStatus.INVALID, |
| appState.getAttempt(am3.getApplicationAttemptId()) |
| .getAMContainerExitStatus()); |
| |
| rm1.stop(); |
| rm2.stop(); |
| } |
| |
| @Test (timeout = 120000) |
| public void testRMAppAttemptFailuresValidityInterval() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, false); |
| |
| conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); |
| // explicitly set max-am-retry count as 2. |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| |
| MockMemoryRMStateStore memStore = |
| (MockMemoryRMStateStore) rm1.getRMStateStore(); |
| |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| |
| // set window size to a larger number : 60s |
| // we will verify the app should be failed if |
| // two continuous attempts failed in 60s. |
| RMApp app = rm1.submitApp(200, 60000, false); |
| |
| MockAM am = MockRM.launchAM(app, rm1, nm1); |
| // Fail current attempt normally |
| nm1.nodeHeartbeat(am.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| // launch the second attempt |
| rm1.waitForState(app.getApplicationId(), RMAppState.ACCEPTED); |
| Assert.assertEquals(2, app.getAppAttempts().size()); |
| |
| MockAM am_2 = MockRM.launchAndRegisterAM(app, rm1, nm1); |
| rm1.waitForState(am_2.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| nm1.nodeHeartbeat(am_2.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am_2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| // current app should be failed. |
| rm1.waitForState(app.getApplicationId(), RMAppState.FAILED); |
| |
| ControlledClock clock = new ControlledClock(); |
| // set window size to 10s |
| RMAppImpl app1 = (RMAppImpl)rm1.submitApp(200, 10000, false); |
| app1.setSystemClock(clock); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| // Fail attempt1 normally |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| //Wait to make sure attempt1 be removed in State Store |
| //TODO explore a better way than sleeping for a while (YARN-4929) |
| Thread.sleep(15 * 1000); |
| |
| // launch the second attempt |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| Assert.assertEquals(2, app1.getAppAttempts().size()); |
| |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| MockAM am2 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // wait for 10 seconds |
| clock.setTime(System.currentTimeMillis() + 10*1000); |
| // Fail attempt2 normally |
| nm1.nodeHeartbeat(am2.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| |
| // can launch the third attempt successfully |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| Assert.assertEquals(3, app1.getAppAttempts().size()); |
| RMAppAttempt attempt3 = app1.getCurrentAppAttempt(); |
| clock.reset(); |
| MockAM am3 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| rm1.waitForState(am3.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // Restart rm. |
| @SuppressWarnings("resource") |
| MockRM rm2 = new MockRM(conf, memStore); |
| rm2.start(); |
| |
| MockMemoryRMStateStore memStore1 = |
| (MockMemoryRMStateStore) rm2.getRMStateStore(); |
| ApplicationStateData app1State = |
| memStore1.getState().getApplicationState(). |
| get(app1.getApplicationId()); |
| Assert.assertEquals(1, app1State.getFirstAttemptId()); |
| |
| // re-register the NM |
| nm1.setResourceTrackerService(rm2.getResourceTrackerService()); |
| NMContainerStatus status = Records.newRecord(NMContainerStatus.class); |
| status |
| .setContainerExitStatus(ContainerExitStatus.KILLED_BY_RESOURCEMANAGER); |
| status.setContainerId(attempt3.getMasterContainer().getId()); |
| status.setContainerState(ContainerState.COMPLETE); |
| status.setDiagnostics(""); |
| nm1.registerNode(Collections.singletonList(status), null); |
| |
| rm2.waitForState(attempt3.getAppAttemptId(), RMAppAttemptState.FAILED); |
| //Wait to make sure attempt3 be removed in State Store |
| //TODO explore a better way than sleeping for a while (YARN-4929) |
| Thread.sleep(15 * 1000); |
| Assert.assertEquals(2, app1State.getAttemptCount()); |
| |
| rm2.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| |
| // Lauch Attempt 4 |
| MockAM am4 = |
| rm2.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 4, nm1); |
| |
| // wait for 10 seconds |
| clock.setTime(System.currentTimeMillis() + 10*1000); |
| // Fail attempt4 normally |
| nm1 |
| .nodeHeartbeat(am4.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm2.waitForState(am4.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| Assert.assertEquals(2, app1State.getAttemptCount()); |
| |
| // can launch the 5th attempt successfully |
| rm2.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| |
| MockAM am5 = |
| rm2.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 5, nm1); |
| clock.reset(); |
| rm2.waitForState(am5.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // Fail attempt5 normally |
| nm1 |
| .nodeHeartbeat(am5.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm2.waitForState(am5.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| Assert.assertEquals(2, app1State.getAttemptCount()); |
| |
| rm2.waitForState(app1.getApplicationId(), RMAppState.FAILED); |
| rm1.stop(); |
| rm2.stop(); |
| } |
| |
| private boolean isContainerIdInContainerStatus( |
| List<ContainerStatus> containerStatuses, ContainerId containerId) { |
| for (ContainerStatus status : containerStatuses) { |
| if (status.getContainerId().equals(containerId)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Test(timeout = 30000) |
| public void testAMRestartNotLostContainerCompleteMsg() throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| RMApp app1 = |
| rm1.submitApp(200, "name", "user", |
| new HashMap<ApplicationAccessType, String>(), false, "default", -1, |
| null, "MAPREDUCE", false, true); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 10240, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| allocateContainers(nm1, am1, 1); |
| |
| nm1.nodeHeartbeat( |
| am1.getApplicationAttemptId(), 2, ContainerState.RUNNING); |
| ContainerId containerId2 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 2); |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| |
| // container complete |
| nm1.nodeHeartbeat( |
| am1.getApplicationAttemptId(), 2, ContainerState.COMPLETE); |
| rm1.waitForState(nm1, containerId2, RMContainerState.COMPLETED); |
| |
| // make sure allocate() get complete container, |
| // before this msg pass to AM, AM may crash |
| while (true) { |
| AllocateResponse response = am1.allocate( |
| new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()); |
| List<ContainerStatus> containerStatuses = |
| response.getCompletedContainersStatuses(); |
| if (isContainerIdInContainerStatus( |
| containerStatuses, containerId2) == false) { |
| Thread.sleep(100); |
| continue; |
| } |
| |
| // is containerId still in justFinishedContainer? |
| containerStatuses = |
| app1.getCurrentAppAttempt().getJustFinishedContainers(); |
| if (isContainerIdInContainerStatus(containerStatuses, |
| containerId2)) { |
| Assert.fail(); |
| } |
| break; |
| } |
| |
| // fail the AM by sending CONTAINER_FINISHED event without registering. |
| nm1.nodeHeartbeat( |
| am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| |
| // wait for app to start a new attempt. |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| // assert this is a new AM. |
| ApplicationAttemptId newAttemptId = |
| app1.getCurrentAppAttempt().getAppAttemptId(); |
| Assert.assertFalse(newAttemptId.equals(am1.getApplicationAttemptId())); |
| |
| // launch the new AM |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| MockAM am2 = rm1.launchAndRegisterAM(app1, rm1, nm1); |
| |
| // whether new AM could get container complete msg |
| AllocateResponse allocateResponse = am2.allocate( |
| new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()); |
| List<ContainerStatus> containerStatuses = |
| allocateResponse.getCompletedContainersStatuses(); |
| if (isContainerIdInContainerStatus(containerStatuses, |
| containerId2) == false) { |
| Assert.fail(); |
| } |
| containerStatuses = attempt2.getJustFinishedContainers(); |
| if (isContainerIdInContainerStatus(containerStatuses, containerId2)) { |
| Assert.fail(); |
| } |
| |
| // the second allocate should not get container complete msg |
| allocateResponse = am2.allocate( |
| new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()); |
| containerStatuses = |
| allocateResponse.getCompletedContainersStatuses(); |
| if (isContainerIdInContainerStatus(containerStatuses, containerId2)) { |
| Assert.fail(); |
| } |
| |
| rm1.stop(); |
| } |
| |
| // Test restarting AM launched with the KeepContainers and AM reset window. |
| // after AM reset window, even if AM who was the last is failed, |
| // all containers are launched by previous AM should be kept. |
| @Test (timeout = 20000) |
| public void testAMRestartNotLostContainerAfterAttemptFailuresValidityInterval() |
| throws Exception { |
| YarnConfiguration conf = new YarnConfiguration(); |
| // explicitly set max-am-retry count as 2. |
| conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2); |
| |
| MockRM rm1 = new MockRM(conf); |
| rm1.start(); |
| MockNM nm1 = |
| new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService()); |
| nm1.registerNode(); |
| |
| // set window size to 10s and enable keepContainers |
| RMAppImpl app1 = (RMAppImpl)rm1.submitApp(200, 10000, true); |
| MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| int NUM_CONTAINERS = 2; |
| allocateContainers(nm1, am1, NUM_CONTAINERS); |
| |
| // launch the 2nd container, for testing running container transferred. |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING); |
| ContainerId containerId2 = |
| ContainerId.newContainerId(am1.getApplicationAttemptId(), 2); |
| rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING); |
| |
| // Fail attempt1 normally |
| nm1.nodeHeartbeat(am1.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| |
| // launch the second attempt |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| Assert.assertEquals(2, app1.getAppAttempts().size()); |
| |
| // It will be the last attempt. |
| RMAppAttempt attempt2 = app1.getCurrentAppAttempt(); |
| MockAM am2 = MockRM.launchAndRegisterAM(app1, rm1, nm1); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.RUNNING); |
| |
| // wait for 10 seconds to reset AM failure count |
| Thread.sleep(10 * 1000); |
| |
| // Fail attempt2 normally |
| nm1.nodeHeartbeat(am2.getApplicationAttemptId(), |
| 1, ContainerState.COMPLETE); |
| rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED); |
| |
| // can launch the third attempt successfully |
| rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED); |
| Assert.assertEquals(3, app1.getAppAttempts().size()); |
| MockAM am3 = rm1.launchAM(app1, rm1, nm1); |
| RegisterApplicationMasterResponse registerResponse = |
| am3.registerAppAttempt(); |
| |
| // keepContainers is applied, even if attempt2 was the last attempt. |
| Assert.assertEquals(1, registerResponse.getContainersFromPreviousAttempts() |
| .size()); |
| boolean containerId2Exists = false; |
| Container container = registerResponse.getContainersFromPreviousAttempts().get(0); |
| if (container.getId().equals(containerId2)) { |
| containerId2Exists = true; |
| } |
| Assert.assertTrue(containerId2Exists); |
| |
| rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING); |
| rm1.stop(); |
| } |
| } |
