| /** |
| * 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; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.fs.Path; |
| |
| /** |
| * A JUnit test to test Kill Job & Fail Job functionality with local file |
| * system. |
| */ |
| public class TestJobKillAndFail extends TestCase { |
| |
| private static String TEST_ROOT_DIR = new File(System.getProperty( |
| "test.build.data", "/tmp")).toURI().toString().replace(' ', '+'); |
| |
| public void testJobFailAndKill() throws IOException { |
| MiniMRCluster mr = null; |
| try { |
| JobConf jtConf = new JobConf(); |
| jtConf.set("mapred.jobtracker.instrumentation", |
| JTInstrumentation.class.getName()); |
| mr = new MiniMRCluster(2, "file:///", 3, null, null, jtConf); |
| JTInstrumentation instr = (JTInstrumentation) |
| mr.getJobTrackerRunner().getJobTracker().getInstrumentation(); |
| |
| // run the TCs |
| JobConf conf = mr.createJobConf(); |
| |
| Path inDir = new Path(TEST_ROOT_DIR + "/failkilljob/input"); |
| Path outDir = new Path(TEST_ROOT_DIR + "/failkilljob/output"); |
| RunningJob job = UtilsForTests.runJobFail(conf, inDir, outDir); |
| // Checking that the Job got failed |
| assertEquals(job.getJobState(), JobStatus.FAILED); |
| assertTrue(instr.verifyJob()); |
| assertEquals(1, instr.failed); |
| instr.reset(); |
| |
| |
| job = UtilsForTests.runJobKill(conf, inDir, outDir); |
| // Checking that the Job got killed |
| assertTrue(job.isComplete()); |
| assertEquals(job.getJobState(), JobStatus.KILLED); |
| assertTrue(instr.verifyJob()); |
| assertEquals(1, instr.killed); |
| } finally { |
| if (mr != null) { |
| mr.shutdown(); |
| } |
| } |
| } |
| |
| static class JTInstrumentation extends JobTrackerInstrumentation { |
| volatile int failed; |
| volatile int killed; |
| volatile int addPrep; |
| volatile int decPrep; |
| volatile int addRunning; |
| volatile int decRunning; |
| |
| void reset() { |
| failed = 0; |
| killed = 0; |
| addPrep = 0; |
| decPrep = 0; |
| addRunning = 0; |
| decRunning = 0; |
| } |
| |
| boolean verifyJob() { |
| return addPrep==1 && decPrep==1 && addRunning==1 && decRunning==1; |
| } |
| |
| public JTInstrumentation(JobTracker jt, JobConf conf) { |
| super(jt, conf); |
| } |
| |
| public synchronized void addPrepJob(JobConf conf, JobID id) |
| { |
| addPrep++; |
| } |
| |
| public synchronized void decPrepJob(JobConf conf, JobID id) |
| { |
| decPrep++; |
| } |
| |
| public synchronized void addRunningJob(JobConf conf, JobID id) |
| { |
| addRunning++; |
| } |
| |
| public synchronized void decRunningJob(JobConf conf, JobID id) |
| { |
| decRunning++; |
| } |
| |
| public synchronized void failedJob(JobConf conf, JobID id) |
| { |
| failed++; |
| } |
| |
| public synchronized void killedJob(JobConf conf, JobID id) |
| { |
| killed++; |
| } |
| } |
| |
| } |