/**
* 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());
}
}