| /** |
| * 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 ratio's of input, |
| * intermediate input and with default/custom ratios.Also verify |
| * the compressed output file format is enabled or not. |
| * |
| */ |
| public class TestCompressionEmulationForCompressInAndUncompressOut |
| extends GridmixSystemTestCase { |
| private static final Log LOG = |
| LogFactory.getLog( |
| "TestCompressionEmulationForCompressInAndUncompressOut.class"); |
| final long inputSizeInMB = 1024 * 6; |
| |
| /** |
| * Generate a compressed input data and verify the compression ratios |
| * of map input and map output against default compression ratios |
| * and also verify the whether the compressed output file output format |
| * is enabled or not. |
| * @throws Exception -if an error occurs. |
| */ |
| @Test |
| public void testCompressionEmulationOfCompressedInputWithDefaultRatios() |
| throws Exception { |
| final String tracePath = getTraceFile("compression_case2_trace"); |
| Assert.assertNotNull("Trace file has not found.", tracePath); |
| final String [] runtimeValues = {"LOADJOB", |
| SubmitterUserResolver.class.getName(), |
| "STRESS", |
| inputSizeInMB + "m", |
| tracePath}; |
| |
| final String [] otherArgs = { |
| "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE + "=false", |
| "-D", GridMixConfig.GRIDMIX_COMPRESSION_ENABLE + "=true" |
| }; |
| |
| runGridmixAndVerify(runtimeValues, otherArgs, tracePath, |
| GridMixRunMode.DATA_GENERATION_AND_RUN_GRIDMIX.getValue()); |
| } |
| |
| /** |
| * Use existing compressed input data and verify the compression ratios |
| * of input and intermediate input against custom compression ratios |
| * and also verify the compressed output file output format is enabled or not. |
| * @throws Exception -if an error occurs. |
| */ |
| @Test |
| public void testCompressionEmulationOfCompressedInputWithCustomRatios() |
| throws Exception { |
| final String tracePath = getTraceFile("compression_case2_trace"); |
| Assert.assertNotNull("Trace file has not found.", tracePath); |
| UtilsForGridmix.cleanup(gridmixDir, rtClient.getDaemonConf()); |
| final String [] runtimeValues = {"LOADJOB", |
| SubmitterUserResolver.class.getName(), |
| "STRESS", |
| inputSizeInMB + "m", |
| tracePath}; |
| |
| final String [] otherArgs = { |
| "-D", GridMixConfig.GRIDMIX_DISTCACHE_ENABLE + "=false", |
| "-D", GridMixConfig.GRIDMIX_COMPRESSION_ENABLE + "=true", |
| "-D", GridMixConfig.GRIDMIX_INPUT_DECOMPRESS_ENABLE + "=true", |
| "-D", GridMixConfig.GRIDMIX_INPUT_COMPRESS_RATIO + "=0.58", |
| "-D", GridMixConfig.GRIDMIX_INTERMEDIATE_COMPRESSION_RATIO + "=0.42" |
| }; |
| |
| runGridmixAndVerify(runtimeValues, otherArgs, tracePath, |
| GridMixRunMode.DATA_GENERATION_AND_RUN_GRIDMIX.getValue()); |
| } |
| } |
| |