| package org.apache.hadoop.tools.rumen; |
| |
| /** |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.util.ToolRunner; |
| |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| public class TestRumenFolder { |
| @Test |
| public void testFoldingSmallTrace() throws Exception { |
| final Configuration conf = new Configuration(); |
| final FileSystem lfs = FileSystem.getLocal(conf); |
| |
| @SuppressWarnings("deprecation") |
| final Path rootInputDir = |
| new Path(System.getProperty("test.tools.input.dir", "")) |
| .makeQualified(lfs); |
| @SuppressWarnings("deprecation") |
| final Path rootTempDir = |
| new Path(System.getProperty("test.build.data", "/tmp")) |
| .makeQualified(lfs); |
| |
| final Path rootInputFile = new Path(rootInputDir, "rumen/small-trace-test"); |
| final Path tempDir = new Path(rootTempDir, "TestRumenJobTraces"); |
| lfs.delete(tempDir, true); |
| |
| final Path foldedTracePath = new Path(tempDir, "folded-trace.json"); |
| |
| final Path inputFile = |
| new Path(rootInputFile, "folder-input-trace.json.gz"); |
| |
| System.out.println("folded trace result path = " + foldedTracePath); |
| |
| String[] args = |
| { "-input-cycle", "100S", "-output-duration", "300S", |
| "-skew-buffer-length", "1", "-seed", "100", "-concentration", "2", |
| inputFile.toString(), foldedTracePath.toString() }; |
| |
| final Path foldedGoldFile = |
| new Path(rootInputFile, "goldFoldedTrace.json.gz"); |
| |
| Folder folder = new Folder(); |
| int result = ToolRunner.run(folder, args); |
| assertEquals("Non-zero exit", 0, result); |
| |
| TestRumenFolder.<LoggedJob> jsonFileMatchesGold(conf, lfs, foldedTracePath, |
| foldedGoldFile, LoggedJob.class, "trace"); |
| } |
| |
| @Test |
| public void testStartsAfterOption() throws Exception { |
| final Configuration conf = new Configuration(); |
| final FileSystem lfs = FileSystem.getLocal(conf); |
| |
| @SuppressWarnings("deprecation") |
| final Path rootInputDir = |
| new Path(System.getProperty("test.tools.input.dir", "")) |
| .makeQualified(lfs); |
| @SuppressWarnings("deprecation") |
| final Path rootTempDir = |
| new Path(System.getProperty("test.build.data", "/tmp")) |
| .makeQualified(lfs); |
| |
| final Path rootInputFile = new Path(rootInputDir, "rumen/small-trace-test"); |
| final Path tempDir = new Path(rootTempDir, "TestRumenJobTraces"); |
| lfs.delete(tempDir, true); |
| |
| final Path inputFile = |
| new Path(rootInputFile, "goldFoldedTrace.json.gz"); |
| |
| final Path foldedTracePath = new Path(tempDir, |
| "folded-skippedjob-trace.json"); |
| String[] args = |
| { "-input-cycle", "300S", "-output-duration", "300S", |
| "-starts-after", "30S", |
| inputFile.toString(), foldedTracePath.toString() }; |
| |
| Folder folder = new Folder(); |
| int result = ToolRunner.run(folder, args); |
| assertEquals("Non-zero exit", 0, result); |
| |
| TestRumenFolder.<LoggedJob> checkValidityAfterSkippingJobs(conf, lfs, foldedTracePath, |
| inputFile, LoggedJob.class, "trace", 30000, 300000); |
| } |
| |
| static private <T extends DeepCompare> void |
| checkValidityAfterSkippingJobs(Configuration conf, |
| FileSystem lfs, Path result, Path inputFile, |
| Class<? extends T> clazz, String fileDescription, |
| long startsAfter, long duration) throws IOException { |
| |
| JsonObjectMapperParser<T> inputFileParser = |
| new JsonObjectMapperParser<T>(inputFile, clazz, conf); |
| InputStream resultStream = lfs.open(result); |
| JsonObjectMapperParser<T> resultParser = |
| new JsonObjectMapperParser<T>(resultStream, clazz); |
| List<Long> gpSubmitTimes = new LinkedList<Long>(); |
| List<Long> rpSubmitTimes = new LinkedList<Long>(); |
| try { |
| //Get submitTime of first job |
| LoggedJob firstJob = (LoggedJob)inputFileParser.getNext(); |
| gpSubmitTimes.add(firstJob.getSubmitTime()); |
| long absoluteStartsAfterTime = firstJob.getSubmitTime() + startsAfter; |
| |
| //total duration |
| long endTime = firstJob.getSubmitTime() + duration; |
| |
| //read original trace |
| LoggedJob oriJob = null; |
| while((oriJob = (LoggedJob)inputFileParser.getNext()) != null) { |
| gpSubmitTimes.add(oriJob.getSubmitTime()); |
| } |
| |
| //check if retained jobs have submittime > starts-after |
| LoggedJob job = null; |
| while((job = (LoggedJob) resultParser.getNext()) != null) { |
| assertTrue("job's submit time in the output trace is less " + |
| "than the specified value of starts-after", |
| (job.getSubmitTime() >= absoluteStartsAfterTime)); |
| rpSubmitTimes.add(job.getSubmitTime()); |
| } |
| |
| List<Long> skippedJobs = new LinkedList<Long>(); |
| skippedJobs.addAll(gpSubmitTimes); |
| skippedJobs.removeAll(rpSubmitTimes); |
| |
| //check if the skipped job submittime < starts-after |
| for(Long submitTime : skippedJobs) { |
| assertTrue("skipped job submit time " + submitTime + |
| " in the trace is greater " + |
| "than the specified value of starts-after " |
| + absoluteStartsAfterTime, |
| (submitTime < absoluteStartsAfterTime)); |
| } |
| } finally { |
| IOUtils.cleanup(null, inputFileParser, resultParser); |
| } |
| } |
| |
| static private <T extends DeepCompare> void jsonFileMatchesGold( |
| Configuration conf, FileSystem lfs, Path result, Path gold, |
| Class<? extends T> clazz, String fileDescription) throws IOException { |
| JsonObjectMapperParser<T> goldParser = |
| new JsonObjectMapperParser<T>(gold, clazz, conf); |
| InputStream resultStream = lfs.open(result); |
| JsonObjectMapperParser<T> resultParser = |
| new JsonObjectMapperParser<T>(resultStream, clazz); |
| try { |
| while (true) { |
| DeepCompare goldJob = goldParser.getNext(); |
| DeepCompare resultJob = resultParser.getNext(); |
| if ((goldJob == null) || (resultJob == null)) { |
| assertTrue(goldJob == resultJob); |
| break; |
| } |
| |
| try { |
| resultJob.deepCompare(goldJob, new TreePath(null, "<root>")); |
| } catch (DeepInequalityException e) { |
| String error = e.path.toString(); |
| |
| assertFalse(fileDescription + " mismatches: " + error, true); |
| } |
| } |
| } finally { |
| IOUtils.cleanup(null, goldParser, resultParser); |
| } |
| } |
| } |