TestLimitTasksPerJobTaskScheduler.java
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上传日期:2018-01-08
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文件大小:6k
源码类别:
网格计算
开发平台:
Java
- /**
- * 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;
- 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(LimitTasksPerJobTaskScheduler.MAX_TASKS_PER_JOB_PROPERTY,
- 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(LimitTasksPerJobTaskScheduler.MAX_TASKS_PER_JOB_PROPERTY,
- 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"});
- }
- }