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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.pig.test;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.jobcontrol.Job;
import org.apache.hadoop.mapred.jobcontrol.JobControl;
import org.apache.pig.backend.hadoop.datastorage.ConfigurationUtil;
import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler;
import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.MROperPlan;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans.PhysicalPlan;
import org.apache.pig.impl.PigContext;
import org.apache.pig.impl.util.ConfigurationValidator;
import org.apache.pig.tools.pigstats.PigStats.JobGraph;
import org.apache.pig.tools.pigstats.mapreduce.MRJobStats;
import org.junit.Assume;
import org.junit.BeforeClass;
public class TestGroupConstParallelMR extends TestGroupConstParallel {
@BeforeClass
public static void oneTimeSetup() throws Exception{
String execType = System.getProperty("test.exec.type");
Assume.assumeTrue("This test suite should only run in mr mode", execType.equalsIgnoreCase("mr"));
TestGroupConstParallel.oneTimeSetup();
}
@Override
public void checkGroupAllWithParallelGraphResult(JobGraph jGraph) {
assertEquals(1, jGraph.size());
// find added map-only concatenate job
MRJobStats js = (MRJobStats)jGraph.getSources().get(0);
assertEquals(1, js.getNumberMaps());
assertEquals(1, js.getNumberReduces());
}
@Override
public void checkGroupConstWithParallelResult(PhysicalPlan pp, PigContext pc) throws Exception {
MROperPlan mrPlan = Util.buildMRPlan(pp, pc);
ConfigurationValidator.validatePigProperties(pc.getProperties());
Configuration conf = ConfigurationUtil.toConfiguration(pc.getProperties());
JobControlCompiler jcc = new JobControlCompiler(pc, conf);
JobControl jobControl = jcc.compile(mrPlan, "Test");
Job job = jobControl.getWaitingJobs().get(0);
int parallel = job.getJobConf().getNumReduceTasks();
assertEquals("parallism", 1, parallel);
}
@Override
public void checkGroupNonConstWithParallelResult(PhysicalPlan pp, PigContext pc) throws Exception {
MROperPlan mrPlan = Util.buildMRPlan(pp, pc);
ConfigurationValidator.validatePigProperties(pc.getProperties());
Configuration conf = ConfigurationUtil.toConfiguration(pc.getProperties());
JobControlCompiler jcc = new JobControlCompiler(pc, conf);
JobControl jobControl = jcc.compile(mrPlan, "Test");
Job job = jobControl.getWaitingJobs().get(0);
int parallel = job.getJobConf().getNumReduceTasks();
assertEquals("parallism", 100, parallel);
}
}