Package org.apache.hadoop.hbase.PerformanceEvaluation

Examples of org.apache.hadoop.hbase.PerformanceEvaluation.TestOptions

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   * Exercise the mr spec writing.  Simple assertions to make sure it is basically working.
   * @throws IOException
   */
  @Ignore @Test
  public void testWriteInputFile() throws IOException {
    TestOptions opts = new PerformanceEvaluation.TestOptions();
    final int clients = 10;
    opts.setNumClientThreads(clients);
    opts.setPerClientRunRows(10);
    Path dir =
      PerformanceEvaluation.writeInputFile(HTU.getConfiguration(), opts, HTU.getDataTestDir());
    FileSystem fs = FileSystem.get(HTU.getConfiguration());
    Path p = new Path(dir, PerformanceEvaluation.JOB_INPUT_FILENAME);
    long len = fs.getFileStatus(p).getLen();
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    }
  }

  @Test
  public void testSizeCalculation() {
    TestOptions opts = new PerformanceEvaluation.TestOptions();
    opts = PerformanceEvaluation.calculateRowsAndSize(opts);
    int rows = opts.getPerClientRunRows();
    // Default row count
    final int defaultPerClientRunRows = 1024 * 1024;
    assertEquals(defaultPerClientRunRows, rows);
    // If size is 2G, then twice the row count.
    opts.setSize(2.0f);
    opts = PerformanceEvaluation.calculateRowsAndSize(opts);
    assertEquals(defaultPerClientRunRows * 2, opts.getPerClientRunRows());
    // If two clients, then they get half the rows each.
    opts.setNumClientThreads(2);
    opts = PerformanceEvaluation.calculateRowsAndSize(opts);
    assertEquals(defaultPerClientRunRows, opts.getPerClientRunRows());
    // What if valueSize is 'random'? Then half of the valueSize so twice the rows.
    opts.valueRandom = true;
    opts = PerformanceEvaluation.calculateRowsAndSize(opts);
    assertEquals(defaultPerClientRunRows * 2, opts.getPerClientRunRows());
  }
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  @Test
  public void testZipfian()
  throws NoSuchMethodException, SecurityException, InstantiationException, IllegalAccessException,
      IllegalArgumentException, InvocationTargetException {
    TestOptions opts = new PerformanceEvaluation.TestOptions();
    opts.setValueZipf(true);
    final int valueSize = 1024;
    opts.setValueSize(valueSize);
    RandomReadTest rrt = new RandomReadTest(null, opts, null);
    Constructor<?> ctor =
      Histogram.class.getDeclaredConstructor(com.yammer.metrics.stats.Sample.class);
    ctor.setAccessible(true);
    Histogram histogram = (Histogram)ctor.newInstance(new UniformSample(1024 * 500));
 
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Related Classes of org.apache.hadoop.hbase.PerformanceEvaluation.TestOptions

  • org.apache.hadoop.hbase.TestPerformanceEvaluation
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