/**
* 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
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package org.apache.whirr.service.hadoop.integration.benchmark;
import org.apache.hadoop.fs.TestDFSIO;
import org.apache.hadoop.mapred.JobConf;
import org.apache.whirr.service.hadoop.integration.HadoopServiceController;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class HadoopServiceTestDFSIOBenchmark {
private static final Logger LOG =
LoggerFactory.getLogger(HadoopServiceTestDFSIOBenchmark.class);
private static boolean shutdownClusterOnTearDown;
private static HadoopServiceController controller =
HadoopServiceController.getInstance();
@BeforeClass
public static void setUp() throws Exception {
shutdownClusterOnTearDown = controller.ensureClusterRunning();
}
@AfterClass
public static void tearDown() throws Exception {
if (shutdownClusterOnTearDown) {
controller.shutdown();
}
}
@Test
public void test() throws Exception {
// We use TestDFSIO's Tool interface so we can pass the configuration,
// but this is only available after Hadoop 0.20.2
// (https://issues.apache.org/jira/browse/MAPREDUCE-1832)
// so we use a local copy of TestDFSIO with this patch
int runs = Integer.parseInt(System.getProperty("testDFSIORuns", "3"));
for (int i = 0; i < runs; i++) {
LOG.info("Starting TestDFSIO run {} of {}", i + 1, runs);
TestDFSIO testDFSIO = new TestDFSIO();
JobConf jobConf = controller.getJobConf();
jobConf.set("test.build.data", "/user/root/benchmark/TestDFSIO");
testDFSIO.setConf(jobConf);
testDFSIO.run("-write -nrFiles 10 -fileSize 1000".split(" "));
testDFSIO.run("-read -nrFiles 10 -fileSize 1000".split(" "));
testDFSIO.run(new String[] { "-clean" });
LOG.info("Completed TestDFSIO run {} of {}", i + 1, runs);
}
}
}