| /** |
| * 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.gridmix; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapred.gridmix.test.system.GridMixConfig; |
| import org.apache.hadoop.mapred.gridmix.test.system.GridMixRunMode; |
| import org.apache.hadoop.mapred.gridmix.test.system.UtilsForGridmix; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Verify the gridmix jobs compression ratios of map input, |
| * map output and reduce output with default and user specified |
| * compression ratios. |
| * |
| */ |
| public class TestGridmixCompressionEmulationWithCompressInput |
| extends GridmixSystemTestCase { |
| private static final Log LOG = |
| LogFactory.getLog( |
| "TestGridmixCompressionEmulationWithCompressInput.class"); |
| final long inputSizeInMB = 1024 * 6; |
| |
| /** |
| * Generate compressed input data and verify the map input, |
| * map output and reduce output compression ratios of gridmix jobs |
| * against the default compression ratios. |
| * @throws Exception - if an error occurs. |
| */ |
| @Test |
| public void testGridmixCompressionRatiosAgainstDefaultCompressionRatio() |
| throws Exception { |
| final String tracePath = getTraceFile("compression_case1_trace"); |
| Assert.assertNotNull("Trace file has not found.", tracePath); |
| |
| final String [] runtimeValues = |
| {"LOADJOB", |
| RoundRobinUserResolver.class.getName(), |
| "STRESS", |
| inputSizeInMB + "m", |
| "file://" + UtilsForGridmix.getProxyUsersFile(conf), |
| tracePath}; |
| |
| final String [] otherArgs = { |
| "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE + "=false", |
| "-D", GridmixJob.GRIDMIX_HIGHRAM_EMULATION_ENABLE + "=false", |
| "-D", GridMixConfig.GRIDMIX_COMPRESSION_ENABLE + "=true" |
| }; |
| runGridmixAndVerify(runtimeValues, otherArgs, tracePath, |
| GridMixRunMode.DATA_GENERATION_AND_RUN_GRIDMIX.getValue()); |
| } |
| |
| /** |
| * Verify map input, map output and reduce output compression ratios of |
| * gridmix jobs against user specified compression ratios. |
| * @throws Exception - if an error occurs. |
| */ |
| @Test |
| public void testGridmixOuputCompressionRatiosAgainstCustomRatios() |
| throws Exception { |
| final String tracePath = getTraceFile("compression_case1_trace"); |
| Assert.assertNotNull("Trace file has not found.", tracePath); |
| UtilsForGridmix.cleanup(gridmixDir, rtClient.getDaemonConf()); |
| |
| final String [] runtimeValues = |
| {"LOADJOB", |
| RoundRobinUserResolver.class.getName(), |
| "STRESS", |
| inputSizeInMB + "m", |
| "file://" + UtilsForGridmix.getProxyUsersFile(conf), |
| tracePath}; |
| |
| final String [] otherArgs = { |
| "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE + "=false", |
| "-D", GridMixConfig.GRIDMIX_COMPRESSION_ENABLE + "=true", |
| "-D", GridMixConfig.GRIDMIX_INPUT_DECOMPRESS_ENABLE + "=true", |
| "-D", GridmixJob.GRIDMIX_HIGHRAM_EMULATION_ENABLE + "=false", |
| "-D", GridMixConfig.GRIDMIX_INPUT_COMPRESS_RATIO + "=0.68", |
| "-D", GridMixConfig.GRIDMIX_INTERMEDIATE_COMPRESSION_RATIO + "=0.35", |
| "-D", GridMixConfig.GRIDMIX_OUTPUT_COMPRESSION_RATIO + "=0.40" |
| }; |
| runGridmixAndVerify(runtimeValues, otherArgs, tracePath, |
| GridMixRunMode.DATA_GENERATION_AND_RUN_GRIDMIX.getValue()); |
| } |
| } |
| |