| /** |
| * 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.nodemanager.containermanager.scheduler; |
| |
| import org.apache.hadoop.fs.UnsupportedFileSystemException; |
| import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest; |
| import org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.apache.hadoop.yarn.api.records.ExecutionType; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.BaseContainerManagerTest; |
| import org.apache.hadoop.yarn.server.utils.BuilderUtils; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Make sure ContainerScheduler related changes are compatible |
| * with old behavior. |
| */ |
| public class TestContainerSchedulerBehaviorCompatibility |
| extends BaseContainerManagerTest { |
| public TestContainerSchedulerBehaviorCompatibility() |
| throws UnsupportedFileSystemException { |
| super(); |
| } |
| |
| @Before |
| public void setup() throws IOException { |
| conf.setInt(YarnConfiguration.NM_VCORES, 1); |
| conf.setInt(YarnConfiguration.NM_OPPORTUNISTIC_CONTAINERS_MAX_QUEUE_LENGTH, |
| 0); |
| super.setup(); |
| } |
| |
| @Test |
| public void testForceStartGuaranteedContainersWhenOppContainerDisabled() |
| throws Exception { |
| containerManager.start(); |
| |
| ContainerLaunchContext containerLaunchContext = |
| recordFactory.newRecordInstance(ContainerLaunchContext.class); |
| containerLaunchContext.setCommands(Arrays.asList("echo")); |
| |
| List<StartContainerRequest> list = new ArrayList<>(); |
| |
| // Add a container start request with #vcores > available (1). |
| // This could happen when DefaultContainerCalculator configured because |
| // on the RM side it won't check vcores at all. |
| list.add(StartContainerRequest.newInstance(containerLaunchContext, |
| createContainerToken(createContainerId(0), DUMMY_RM_IDENTIFIER, |
| context.getNodeId(), user, BuilderUtils.newResource(2048, 4), |
| context.getContainerTokenSecretManager(), null, |
| ExecutionType.GUARANTEED))); |
| |
| StartContainersRequest allRequests = |
| StartContainersRequest.newInstance(list); |
| containerManager.startContainers(allRequests); |
| |
| ContainerScheduler cs = containerManager.getContainerScheduler(); |
| int nQueuedContainers = cs.getNumQueuedContainers(); |
| int nRunningContainers = cs.getNumRunningContainers(); |
| |
| // Wait at most 10 secs and we expect all containers finished. |
| int maxTry = 100; |
| int nTried = 1; |
| while (nQueuedContainers != 0 || nRunningContainers != 0) { |
| Thread.sleep(100); |
| nQueuedContainers = cs.getNumQueuedContainers(); |
| nRunningContainers = cs.getNumRunningContainers(); |
| nTried++; |
| if (nTried > maxTry) { |
| Assert.fail("Failed to get either number of queuing containers to 0 or " |
| + "number of running containers to 0, #queued=" + nQueuedContainers |
| + ", #running=" + nRunningContainers); |
| } |
| } |
| } |
| } |