| /** |
| * 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.mapred; |
| |
| import java.io.IOException; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.mapred.TestJobQueueTaskScheduler.FakeTaskTrackerManager; |
| import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig; |
| |
| public class TestLimitTasksPerJobTaskScheduler extends TestCase { |
| protected JobConf jobConf; |
| protected TaskScheduler scheduler; |
| private FakeTaskTrackerManager taskTrackerManager; |
| |
| @Override |
| protected void setUp() throws Exception { |
| TestJobQueueTaskScheduler.resetCounters(); |
| jobConf = new JobConf(); |
| jobConf.setNumMapTasks(10); |
| jobConf.setNumReduceTasks(10); |
| taskTrackerManager = new FakeTaskTrackerManager(); |
| scheduler = createTaskScheduler(); |
| scheduler.setConf(jobConf); |
| scheduler.setTaskTrackerManager(taskTrackerManager); |
| scheduler.start(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| if (scheduler != null) { |
| scheduler.terminate(); |
| } |
| } |
| |
| protected TaskScheduler createTaskScheduler() { |
| return new LimitTasksPerJobTaskScheduler(); |
| } |
| |
| public void testMaxRunningTasksPerJob() throws IOException { |
| jobConf.setLong(JTConfig.JT_RUNNINGTASKS_PER_JOB, |
| 4L); |
| scheduler.setConf(jobConf); |
| TestJobQueueTaskScheduler.submitJobs(taskTrackerManager, jobConf, |
| 2, JobStatus.RUNNING); |
| |
| // First 4 slots are filled with job 1, second 4 with job 2 |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_m_000001_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_m_000002_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_r_000003_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_r_000004_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_m_000005_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_m_000006_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_r_000007_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_r_000008_0 on tt2"}); |
| } |
| |
| public void testMaxRunningTasksPerJobWithInterleavedTrackers() |
| throws IOException { |
| jobConf.setLong(JTConfig.JT_RUNNINGTASKS_PER_JOB, |
| 4L); |
| scheduler.setConf(jobConf); |
| TestJobQueueTaskScheduler.submitJobs(taskTrackerManager, jobConf, 2, JobStatus.RUNNING); |
| |
| // First 4 slots are filled with job 1, second 4 with job 2 |
| // even when tracker requests are interleaved |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_m_000001_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_m_000002_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0001_m_000003_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0001_r_000004_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_m_000005_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
| new String[] {"attempt_test_0002_r_000006_0 on tt1"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_r_000007_0 on tt2"}); |
| TestJobQueueTaskScheduler.checkAssignment( |
| scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
| new String[] {"attempt_test_0002_r_000008_0 on tt2"}); |
| } |
| |
| } |