Package org.apache.hadoop.mapred.gridmix.GenerateData

Examples of org.apache.hadoop.mapred.gridmix.GenerateData.DataStatistics

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   * Test {@link DataStatistics}.
   */
  @Test
  public void testDataStatistics() throws Exception {
    // test data-statistics getters with compression enabled
    DataStatistics stats = new DataStatistics(10, 2, true);
    assertEquals("Data size mismatch", 10, stats.getDataSize());
    assertEquals("Num files mismatch", 2, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
   
    // test data-statistics getters with compression disabled
    stats = new DataStatistics(100, 5, false);
    assertEquals("Data size mismatch", 100, stats.getDataSize());
    assertEquals("Num files mismatch", 5, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test publish data stats
    Configuration conf = new Configuration();
    Path rootTempDir = new Path(System.getProperty("test.build.data", "/tmp"));
    Path testDir = new Path(rootTempDir, "testDataStatistics");
    FileSystem fs = testDir.getFileSystem(conf);
    fs.delete(testDir, true);
    Path testInputDir = new Path(testDir, "test");
    fs.mkdirs(testInputDir);
   
    // test empty folder (compression = true)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    Boolean failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with empty folder (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    stats = GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
    assertEquals("Data size mismatch", 0, stats.getDataSize());
    assertEquals("Num files mismatch", 0, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    Path inputDataFile = new Path(testInputDir, "test");
    long size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello bye").size();
    stats = GenerateData.publishDataStatistics(testInputDir, -1, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with some compressed input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    fs.delete(inputDataFile, false);
    inputDataFile = new Path(testInputDir, "test.gz");
    size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello").size();
    stats =  GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some compressed input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    stats = GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
  }
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    FileSystem fs = FileSystem.getLocal(conf);
    fs.create(testTraceFile).close();
   
    // finalize the summarizer
    UserResolver resolver = new RoundRobinUserResolver();
    DataStatistics dataStats = new DataStatistics(100, 2, true);
    String policy = GridmixJobSubmissionPolicy.REPLAY.name();
    conf.set(GridmixJobSubmissionPolicy.JOB_SUBMISSION_POLICY, policy);
    es.finalize(factory, testTraceFile.toString(), 1024L, resolver, dataStats,
                conf);
   
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   * @throws InterruptedException
   */
  int start(Configuration conf, String traceIn, Path ioPath, long genbytes,
      UserResolver userResolver, boolean generate)
      throws IOException, InterruptedException {
    DataStatistics stats = null;
    InputStream trace = null;
    ioPath = ioPath.makeQualified(ioPath.getFileSystem(conf));

    try {
      Path scratchDir = new Path(ioPath, conf.get(GRIDMIX_OUT_DIR, "gridmix"));
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   * @throws InterruptedException
   */
  int start(Configuration conf, String traceIn, Path ioPath, long genbytes,
      UserResolver userResolver, boolean generate)
      throws IOException, InterruptedException {
    DataStatistics stats = null;
    InputStream trace = null;
    ioPath = ioPath.makeQualified(ioPath.getFileSystem(conf));

    try {
      Path scratchDir = new Path(ioPath, conf.get(GRIDMIX_OUT_DIR, "gridmix"));
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   * Test {@link DataStatistics}.
   */
  @Test
  public void testDataStatistics() throws Exception {
    // test data-statistics getters with compression enabled
    DataStatistics stats = new DataStatistics(10, 2, true);
    assertEquals("Data size mismatch", 10, stats.getDataSize());
    assertEquals("Num files mismatch", 2, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
   
    // test data-statistics getters with compression disabled
    stats = new DataStatistics(100, 5, false);
    assertEquals("Data size mismatch", 100, stats.getDataSize());
    assertEquals("Num files mismatch", 5, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test publish data stats
    Configuration conf = new Configuration();
    Path rootTempDir = new Path(System.getProperty("test.build.data", "/tmp"));
    Path testDir = new Path(rootTempDir, "testDataStatistics");
    FileSystem fs = testDir.getFileSystem(conf);
    fs.delete(testDir, true);
    Path testInputDir = new Path(testDir, "test");
    fs.mkdirs(testInputDir);
   
    // test empty folder (compression = true)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    Boolean failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with empty folder (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    stats = GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
    assertEquals("Data size mismatch", 0, stats.getDataSize());
    assertEquals("Num files mismatch", 0, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    Path inputDataFile = new Path(testInputDir, "test");
    long size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello bye").size();
    stats = GenerateData.publishDataStatistics(testInputDir, -1, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with some compressed input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    fs.delete(inputDataFile, false);
    inputDataFile = new Path(testInputDir, "test.gz");
    size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello").size();
    stats =  GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some compressed input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    stats = GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
  }
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    FileSystem fs = FileSystem.getLocal(conf);
    fs.create(testTraceFile).close();
   
    // finalize the summarizer
    UserResolver resolver = new RoundRobinUserResolver();
    DataStatistics dataStats = new DataStatistics(100, 2, true);
    String policy = GridmixJobSubmissionPolicy.REPLAY.name();
    conf.set(GridmixJobSubmissionPolicy.JOB_SUBMISSION_POLICY, policy);
    es.finalize(factory, testTraceFile.toString(), 1024L, resolver, dataStats,
                conf);
   
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      // publish the compression ratio
      LOG.info("Input Data Compression Ratio : " + ratio);
    }
   
    return new DataStatistics(compressedDataSize, numCompressedFiles, true);
  }
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   * Test {@link DataStatistics}.
   */
  @Test (timeout=10000)
  public void testDataStatistics() throws Exception {
    // test data-statistics getters with compression enabled
    DataStatistics stats = new DataStatistics(10, 2, true);
    assertEquals("Data size mismatch", 10, stats.getDataSize());
    assertEquals("Num files mismatch", 2, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
   
    // test data-statistics getters with compression disabled
    stats = new DataStatistics(100, 5, false);
    assertEquals("Data size mismatch", 100, stats.getDataSize());
    assertEquals("Num files mismatch", 5, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test publish data stats
    Configuration conf = new Configuration();
    Path rootTempDir = new Path(System.getProperty("test.build.data", "/tmp"));
    Path testDir = new Path(rootTempDir, "testDataStatistics");
    FileSystem fs = testDir.getFileSystem(conf);
    fs.delete(testDir, true);
    Path testInputDir = new Path(testDir, "test");
    fs.mkdirs(testInputDir);
   
    // test empty folder (compression = true)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    Boolean failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with empty folder (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    stats = GenerateData.publishDataStatistics(testInputDir, 1024L, conf);
    assertEquals("Data size mismatch", 0, stats.getDataSize());
    assertEquals("Num files mismatch", 0, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    Path inputDataFile = new Path(testInputDir, "test");
    long size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello bye").size();
    stats = GenerateData.publishDataStatistics(testInputDir, -1, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some plain input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    failed = null;
    try {
      GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
      failed = false;
    } catch (RuntimeException e) {
      failed = true;
    }
    assertNotNull("Expected failure!", failed);
    assertTrue("Compression data publishing error", failed);
   
    // test with some compressed input data (compression = off)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, false);
    fs.delete(inputDataFile, false);
    inputDataFile = new Path(testInputDir, "test.gz");
    size =
      UtilsForTests.createTmpFileDFS(fs, inputDataFile,
          FsPermission.createImmutable((short)777), "hi hello").size();
    stats =  GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertFalse("Compression configuration mismatch", stats.isDataCompressed());
   
    // test with some compressed input data (compression = on)
    CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true);
    stats = GenerateData.publishDataStatistics(testInputDir, 1234L, conf);
    assertEquals("Data size mismatch", size, stats.getDataSize());
    assertEquals("Num files mismatch", 1, stats.getNumFiles());
    assertTrue("Compression configuration mismatch", stats.isDataCompressed());
  }
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    FileSystem fs = FileSystem.getLocal(conf);
    fs.create(testTraceFile).close();
   
    // finalize the summarizer
    UserResolver resolver = new RoundRobinUserResolver();
    DataStatistics dataStats = new DataStatistics(100, 2, true);
    String policy = GridmixJobSubmissionPolicy.REPLAY.name();
    conf.set(GridmixJobSubmissionPolicy.JOB_SUBMISSION_POLICY, policy);
    es.finalize(factory, testTraceFile.toString(), 1024L, resolver, dataStats,
                conf);
   
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   * @throws InterruptedException
   */
  int start(Configuration conf, String traceIn, Path ioPath, long genbytes,
      UserResolver userResolver, boolean generate)
      throws IOException, InterruptedException {
    DataStatistics stats = null;
    InputStream trace = null;
    ioPath = ioPath.makeQualified(ioPath.getFileSystem(conf));

    try {
      Path scratchDir = new Path(ioPath, conf.get(GRIDMIX_OUT_DIR, "gridmix"));
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Related Classes of org.apache.hadoop.mapred.gridmix.GenerateData.DataStatistics

  • org.apache.hadoop.mapred.gridmix.CompressionEmulationUtil
  • org.apache.hadoop.mapred.gridmix.Gridmix
  • org.apache.hadoop.mapred.gridmix.TestGridmixSummary
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