| /* |
| * 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; |
| |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration; |
| |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| @RunWith(Parameterized.class) |
| public abstract class ParameterizedSchedulerTestBase { |
| protected final static String TEST_DIR = |
| new File(System.getProperty("test.build.data", "/tmp")).getAbsolutePath(); |
| private final static String FS_ALLOC_FILE = |
| new File(TEST_DIR, "test-fs-queues.xml").getAbsolutePath(); |
| |
| public enum SchedulerType { |
| CAPACITY, FAIR |
| } |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Collection<Object[]> getParameters() { |
| List<Object[]> params = new ArrayList<>(SchedulerType.values().length); |
| for (SchedulerType type : SchedulerType.values()) { |
| params.add(new Object[]{ type }); |
| } |
| return params; |
| } |
| |
| private SchedulerType schedulerType; |
| private YarnConfiguration conf = null; |
| private AbstractYarnScheduler scheduler = null; |
| |
| public YarnConfiguration getConf() { |
| return conf; |
| } |
| |
| // Due to parameterization, this gets called before each test method |
| public ParameterizedSchedulerTestBase(SchedulerType type) |
| throws IOException { |
| conf = new YarnConfiguration(); |
| |
| QueueMetrics.clearQueueMetrics(); |
| DefaultMetricsSystem.setMiniClusterMode(true); |
| |
| schedulerType = type; |
| switch (schedulerType) { |
| case FAIR: |
| configureFairScheduler(conf); |
| scheduler = new FairScheduler(); |
| conf.set(YarnConfiguration.RM_SCHEDULER, |
| FairScheduler.class.getName()); |
| break; |
| case CAPACITY: |
| scheduler = new CapacityScheduler(); |
| ((CapacityScheduler)scheduler).setConf(conf); |
| conf.set(YarnConfiguration.RM_SCHEDULER, |
| CapacityScheduler.class.getName()); |
| break; |
| default: |
| throw new IllegalArgumentException("Invalid type: " + type); |
| } |
| } |
| |
| private void configureFairScheduler(YarnConfiguration conf) throws IOException { |
| // Disable queueMaxAMShare limitation for fair scheduler |
| PrintWriter out = new PrintWriter(new FileWriter(FS_ALLOC_FILE)); |
| out.println("<?xml version=\"1.0\"?>"); |
| out.println("<allocations>"); |
| out.println("<queueMaxAMShareDefault>-1.0</queueMaxAMShareDefault>"); |
| out.println("<defaultQueueSchedulingPolicy>fair</defaultQueueSchedulingPolicy>"); |
| out.println("<queue name=\"root\">"); |
| out.println(" <schedulingPolicy>drf</schedulingPolicy>"); |
| out.println(" <weight>1.0</weight>"); |
| out.println(" <fairSharePreemptionTimeout>100</fairSharePreemptionTimeout>"); |
| out.println(" <minSharePreemptionTimeout>120</minSharePreemptionTimeout>"); |
| out.println(" <fairSharePreemptionThreshold>.5</fairSharePreemptionThreshold>"); |
| out.println("</queue>"); |
| out.println("</allocations>"); |
| out.close(); |
| |
| conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, FS_ALLOC_FILE); |
| conf.setLong(FairSchedulerConfiguration.UPDATE_INTERVAL_MS, 10); |
| } |
| |
| public SchedulerType getSchedulerType() { |
| return schedulerType; |
| } |
| |
| /** |
| * Return a scheduler configured by {@code YarnConfiguration.RM_SCHEDULER} |
| * |
| * <p>The scheduler is configured by |
| * {@link #ParameterizedSchedulerTestBase(SchedulerType)}. |
| * Client test code can obtain the scheduler with this getter method. |
| * Schedulers supported by this class are {@link FairScheduler} or |
| * {@link CapacityScheduler}. </p> |
| * |
| * @return The scheduler configured by |
| * {@code YarnConfiguration.RM_SCHEDULER} |
| */ |
| public AbstractYarnScheduler getScheduler() { |
| return scheduler; |
| } |
| } |