| /** |
| * 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.conf; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.JobContext; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| |
| public class TestJobConf { |
| |
| @Test |
| public void testProfileParamsDefaults() { |
| JobConf configuration = new JobConf(); |
| |
| Assert.assertNull(configuration.get(MRJobConfig.TASK_PROFILE_PARAMS)); |
| |
| String result = configuration.getProfileParams(); |
| |
| Assert.assertNotNull(result); |
| Assert.assertTrue(result.contains("file=%s")); |
| Assert.assertTrue(result.startsWith("-agentlib:hprof")); |
| } |
| |
| @Test |
| public void testProfileParamsSetter() { |
| JobConf configuration = new JobConf(); |
| |
| configuration.setProfileParams("test"); |
| Assert.assertEquals("test", configuration.get(MRJobConfig.TASK_PROFILE_PARAMS)); |
| } |
| |
| @Test |
| public void testProfileParamsGetter() { |
| JobConf configuration = new JobConf(); |
| |
| configuration.set(MRJobConfig.TASK_PROFILE_PARAMS, "test"); |
| Assert.assertEquals("test", configuration.getProfileParams()); |
| } |
| |
| /** |
| * Testing mapred.task.maxvmem replacement with new values |
| * |
| */ |
| @Test |
| public void testMemoryConfigForMapOrReduceTask(){ |
| JobConf configuration = new JobConf(); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB,String.valueOf(300)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB,String.valueOf(300)); |
| Assert.assertEquals(configuration.getMemoryForMapTask(),300); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(),300); |
| |
| configuration.set("mapred.task.maxvmem" , String.valueOf(2*1024 * 1024)); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB,String.valueOf(300)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB,String.valueOf(300)); |
| Assert.assertEquals(configuration.getMemoryForMapTask(),2); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(),2); |
| |
| configuration = new JobConf(); |
| configuration.set("mapred.task.maxvmem" , "-1"); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB,String.valueOf(300)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB,String.valueOf(400)); |
| Assert.assertEquals(configuration.getMemoryForMapTask(), 300); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(), 400); |
| |
| configuration = new JobConf(); |
| configuration.set("mapred.task.maxvmem" , String.valueOf(2*1024 * 1024)); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB,"-1"); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB,"-1"); |
| Assert.assertEquals(configuration.getMemoryForMapTask(),2); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(),2); |
| |
| configuration = new JobConf(); |
| configuration.set("mapred.task.maxvmem" , String.valueOf(-1)); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB,"-1"); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB,"-1"); |
| Assert.assertEquals(configuration.getMemoryForMapTask(),-1); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(),-1); |
| |
| configuration = new JobConf(); |
| configuration.set("mapred.task.maxvmem" , String.valueOf(2*1024 * 1024)); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, "3"); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, "3"); |
| Assert.assertEquals(configuration.getMemoryForMapTask(),2); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(),2); |
| |
| } |
| |
| /** |
| * Test that negative values for MAPRED_TASK_MAXVMEM_PROPERTY cause |
| * new configuration keys' values to be used. |
| */ |
| @Test |
| public void testNegativeValueForTaskVmem() { |
| JobConf configuration = new JobConf(); |
| |
| configuration.set(JobConf.MAPRED_TASK_MAXVMEM_PROPERTY, "-3"); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, "4"); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, "5"); |
| Assert.assertEquals(4, configuration.getMemoryForMapTask()); |
| Assert.assertEquals(5, configuration.getMemoryForReduceTask()); |
| |
| } |
| |
| /** |
| * Test that negative values for all memory configuration properties causes |
| * APIs to disable memory limits |
| */ |
| @Test |
| public void testNegativeValuesForMemoryParams() { |
| JobConf configuration = new JobConf(); |
| |
| configuration.set(JobConf.MAPRED_TASK_MAXVMEM_PROPERTY, "-4"); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, "-5"); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, "-6"); |
| |
| Assert.assertEquals(JobConf.DISABLED_MEMORY_LIMIT, |
| configuration.getMemoryForMapTask()); |
| Assert.assertEquals(JobConf.DISABLED_MEMORY_LIMIT, |
| configuration.getMemoryForReduceTask()); |
| Assert.assertEquals(JobConf.DISABLED_MEMORY_LIMIT, |
| configuration.getMaxVirtualMemoryForTask()); |
| } |
| |
| /** |
| * Test deprecated accessor and mutator method for mapred.task.maxvmem |
| */ |
| @Test |
| public void testMaxVirtualMemoryForTask() { |
| JobConf configuration = new JobConf(); |
| |
| //get test case |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, String.valueOf(300)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, String.valueOf(-1)); |
| Assert.assertEquals( |
| configuration.getMaxVirtualMemoryForTask(), 300 * 1024 * 1024); |
| |
| configuration = new JobConf(); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, String.valueOf(-1)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, String.valueOf(200)); |
| Assert.assertEquals( |
| configuration.getMaxVirtualMemoryForTask(), 200 * 1024 * 1024); |
| |
| configuration = new JobConf(); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, String.valueOf(-1)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, String.valueOf(-1)); |
| configuration.set("mapred.task.maxvmem", String.valueOf(1 * 1024 * 1024)); |
| Assert.assertEquals( |
| configuration.getMaxVirtualMemoryForTask(), 1 * 1024 * 1024); |
| |
| configuration = new JobConf(); |
| configuration.set("mapred.task.maxvmem", String.valueOf(1 * 1024 * 1024)); |
| Assert.assertEquals( |
| configuration.getMaxVirtualMemoryForTask(), 1 * 1024 * 1024); |
| |
| //set test case |
| |
| configuration = new JobConf(); |
| configuration.setMaxVirtualMemoryForTask(2 * 1024 * 1024); |
| Assert.assertEquals(configuration.getMemoryForMapTask(), 2); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(), 2); |
| |
| configuration = new JobConf(); |
| configuration.set(MRJobConfig.MAP_MEMORY_MB, String.valueOf(300)); |
| configuration.set(MRJobConfig.REDUCE_MEMORY_MB, String.valueOf(400)); |
| configuration.setMaxVirtualMemoryForTask(2 * 1024 * 1024); |
| Assert.assertEquals(configuration.getMemoryForMapTask(), 2); |
| Assert.assertEquals(configuration.getMemoryForReduceTask(), 2); |
| |
| |
| } |
| |
| /** |
| * Ensure that by default JobContext.MAX_TASK_FAILURES_PER_TRACKER is less |
| * JobContext.MAP_MAX_ATTEMPTS and JobContext.REDUCE_MAX_ATTEMPTS so that |
| * failed tasks will be retried on other nodes |
| */ |
| @Test |
| public void testMaxTaskFailuresPerTracker() { |
| JobConf jobConf = new JobConf(true); |
| Assert.assertTrue("By default JobContext.MAX_TASK_FAILURES_PER_TRACKER was " |
| + "not less than JobContext.MAP_MAX_ATTEMPTS and REDUCE_MAX_ATTEMPTS" |
| ,jobConf.getMaxTaskFailuresPerTracker() < jobConf.getMaxMapAttempts() && |
| jobConf.getMaxTaskFailuresPerTracker() < jobConf.getMaxReduceAttempts() |
| ); |
| } |
| } |