[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.hadoop.mapred; |
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| 19 | |
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| 20 | import java.io.IOException; |
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| 21 | |
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| 22 | import junit.framework.TestCase; |
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| 23 | |
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| 24 | import org.apache.hadoop.mapred.TestJobQueueTaskScheduler.FakeTaskTrackerManager; |
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| 25 | |
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| 26 | public class TestLimitTasksPerJobTaskScheduler extends TestCase { |
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| 27 | protected JobConf jobConf; |
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| 28 | protected TaskScheduler scheduler; |
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| 29 | private FakeTaskTrackerManager taskTrackerManager; |
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| 30 | |
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| 31 | @Override |
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| 32 | protected void setUp() throws Exception { |
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| 33 | TestJobQueueTaskScheduler.resetCounters(); |
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| 34 | jobConf = new JobConf(); |
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| 35 | jobConf.setNumMapTasks(10); |
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| 36 | jobConf.setNumReduceTasks(10); |
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| 37 | taskTrackerManager = new FakeTaskTrackerManager(); |
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| 38 | scheduler = createTaskScheduler(); |
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| 39 | scheduler.setConf(jobConf); |
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| 40 | scheduler.setTaskTrackerManager(taskTrackerManager); |
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| 41 | scheduler.start(); |
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| 42 | } |
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| 43 | |
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| 44 | @Override |
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| 45 | protected void tearDown() throws Exception { |
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| 46 | if (scheduler != null) { |
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| 47 | scheduler.terminate(); |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | protected TaskScheduler createTaskScheduler() { |
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| 52 | return new LimitTasksPerJobTaskScheduler(); |
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| 53 | } |
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| 54 | |
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| 55 | public void testMaxRunningTasksPerJob() throws IOException { |
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| 56 | jobConf.setLong(LimitTasksPerJobTaskScheduler.MAX_TASKS_PER_JOB_PROPERTY, |
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| 57 | 4L); |
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| 58 | scheduler.setConf(jobConf); |
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| 59 | TestJobQueueTaskScheduler.submitJobs(taskTrackerManager, jobConf, |
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| 60 | 2, JobStatus.RUNNING); |
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| 61 | |
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| 62 | // First 4 slots are filled with job 1, second 4 with job 2 |
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| 63 | TestJobQueueTaskScheduler.checkAssignment( |
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| 64 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 65 | new String[] {"attempt_test_0001_m_000001_0 on tt1"}); |
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| 66 | TestJobQueueTaskScheduler.checkAssignment( |
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| 67 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 68 | new String[] {"attempt_test_0001_m_000002_0 on tt1"}); |
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| 69 | TestJobQueueTaskScheduler.checkAssignment( |
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| 70 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 71 | new String[] {"attempt_test_0001_r_000003_0 on tt1"}); |
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| 72 | TestJobQueueTaskScheduler.checkAssignment( |
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| 73 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 74 | new String[] {"attempt_test_0001_r_000004_0 on tt1"}); |
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| 75 | TestJobQueueTaskScheduler.checkAssignment( |
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| 76 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 77 | new String[] {"attempt_test_0002_m_000005_0 on tt2"}); |
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| 78 | TestJobQueueTaskScheduler.checkAssignment( |
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| 79 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 80 | new String[] {"attempt_test_0002_m_000006_0 on tt2"}); |
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| 81 | TestJobQueueTaskScheduler.checkAssignment( |
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| 82 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 83 | new String[] {"attempt_test_0002_r_000007_0 on tt2"}); |
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| 84 | TestJobQueueTaskScheduler.checkAssignment( |
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| 85 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 86 | new String[] {"attempt_test_0002_r_000008_0 on tt2"}); |
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| 87 | } |
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| 88 | |
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| 89 | public void testMaxRunningTasksPerJobWithInterleavedTrackers() |
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| 90 | throws IOException { |
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| 91 | jobConf.setLong(LimitTasksPerJobTaskScheduler.MAX_TASKS_PER_JOB_PROPERTY, |
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| 92 | 4L); |
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| 93 | scheduler.setConf(jobConf); |
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| 94 | TestJobQueueTaskScheduler.submitJobs(taskTrackerManager, jobConf, 2, JobStatus.RUNNING); |
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| 95 | |
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| 96 | // First 4 slots are filled with job 1, second 4 with job 2 |
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| 97 | // even when tracker requests are interleaved |
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| 98 | TestJobQueueTaskScheduler.checkAssignment( |
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| 99 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 100 | new String[] {"attempt_test_0001_m_000001_0 on tt1"}); |
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| 101 | TestJobQueueTaskScheduler.checkAssignment( |
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| 102 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 103 | new String[] {"attempt_test_0001_m_000002_0 on tt1"}); |
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| 104 | TestJobQueueTaskScheduler.checkAssignment( |
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| 105 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 106 | new String[] {"attempt_test_0001_m_000003_0 on tt2"}); |
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| 107 | TestJobQueueTaskScheduler.checkAssignment( |
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| 108 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 109 | new String[] {"attempt_test_0001_r_000004_0 on tt1"}); |
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| 110 | TestJobQueueTaskScheduler.checkAssignment( |
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| 111 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 112 | new String[] {"attempt_test_0002_m_000005_0 on tt2"}); |
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| 113 | TestJobQueueTaskScheduler.checkAssignment( |
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| 114 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt1"), |
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| 115 | new String[] {"attempt_test_0002_r_000006_0 on tt1"}); |
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| 116 | TestJobQueueTaskScheduler.checkAssignment( |
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| 117 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 118 | new String[] {"attempt_test_0002_r_000007_0 on tt2"}); |
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| 119 | TestJobQueueTaskScheduler.checkAssignment( |
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| 120 | scheduler, TestJobQueueTaskScheduler.tracker(taskTrackerManager, "tt2"), |
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| 121 | new String[] {"attempt_test_0002_r_000008_0 on tt2"}); |
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| 122 | } |
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| 123 | |
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| 124 | } |
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