| /* |
| * 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.pig.test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.executionengine.ExecJob; |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher; |
| import org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper; |
| 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.io.FileLocalizer; |
| import org.apache.pig.impl.plan.OperatorKey; |
| import org.apache.pig.tools.pigstats.PigStats; |
| import org.apache.pig.tools.pigstats.PigStats.JobGraph; |
| import org.apache.pig.tools.pigstats.ScriptState; |
| import org.apache.pig.tools.pigstats.mapreduce.MRScriptState; |
| import org.junit.Test; |
| |
| public class TestPigStatsMR extends TestPigStats { |
| |
| @Override |
| @Test |
| public void testBytesWritten_JIRA_1027() throws Exception { |
| |
| FileLocalizer.setInitialized(false); |
| // This test cannot be run in MR local mode due to lack of counters |
| MiniGenericCluster cluster = MiniGenericCluster.buildCluster(); |
| try { |
| String filePath = "/tmp/" + this.getClass().getName() + "_" |
| + "testBytesWritten_JIRA_1027"; |
| |
| PigServer pig = new PigServer(cluster.getExecType(), cluster.getProperties()); |
| String inputFile = "test/org/apache/pig/test/data/passwd"; |
| Util.copyFromLocalToCluster(cluster, inputFile, inputFile); |
| pig.registerQuery("A = load '" + inputFile + "';"); |
| ExecJob job = pig.store("A", filePath); |
| PigStats stats = job.getStatistics(); |
| Path dataFile = Util.getFirstPartFile(new Path(filePath)); |
| FileStatus fs = cluster.getFileSystem().getFileStatus(dataFile); |
| assertEquals(fs.getLen(), stats.getBytesWritten()); |
| } catch (IOException e) { |
| LOG.error("Error while generating file", e); |
| fail("Encountered IOException"); |
| } finally { |
| FileLocalizer.setInitialized(false); |
| cluster.shutDown(); |
| } |
| } |
| |
| @Override |
| public void addSettingsToConf(Configuration conf, String scriptFileName) throws IOException { |
| MRScriptState ss = MRScriptState.get(); |
| ss.setScript(new File(scriptFileName)); |
| MapReduceOper mro = new MapReduceOper(new OperatorKey()); |
| ss.addSettingsToConf(mro, conf); |
| } |
| |
| @Override |
| public void checkPigStats(ExecJob job) { |
| JobGraph jobGraph = job.getStatistics().getJobGraph(); |
| assertEquals(2, jobGraph.getJobList().size()); |
| } |
| |
| @Override |
| public void checkPigStatsAlias(PhysicalPlan pp, PigContext pc) throws Exception { |
| MROperPlan mp = getMRPlan(pp, pc); |
| assertEquals(4, mp.getKeys().size()); |
| |
| MapReduceOper mro = mp.getRoots().get(0); |
| assertEquals("A,B,C", getAlias(mro)); |
| |
| mro = mp.getSuccessors(mro).get(0); |
| assertEquals("D", getAlias(mro)); |
| |
| mro = mp.getSuccessors(mro).get(0); |
| assertEquals("D", getAlias(mro)); |
| } |
| |
| private static MROperPlan getMRPlan(PhysicalPlan pp, PigContext ctx) throws Exception { |
| MapReduceLauncher launcher = new MapReduceLauncher(); |
| return launcher.compile(pp,ctx); |
| } |
| |
| private static String getAlias(MapReduceOper mro) throws Exception { |
| ScriptState ss = ScriptState.get(); |
| java.lang.reflect.Method getAlias = ss.getClass() |
| .getDeclaredMethod("getAlias", |
| new Class[] { MapReduceOper.class }); |
| getAlias.setAccessible(true); |
| return (String)getAlias.invoke(ss, new Object[] { mro }); |
| } |
| } |