How to use

org.apache.commons.math.stat.descriptive.SynchronizedDescriptiveStatistics

constructor

/**
 * Returns a copy of this SynchronizedDescriptiveStatistics instance with the
 * same internal state.
 *
 * @return a copy of this
 */
@Override
public synchronized SynchronizedDescriptiveStatistics copy() {
  SynchronizedDescriptiveStatistics result =
    new SynchronizedDescriptiveStatistics();
  copy(this, result);
  return result;
}

public StatCollector() {
 _stats = new SynchronizedDescriptiveStatistics();
 _stats.setWindowSize(DEFAULT_WINDOW_SIZE);
}

public StatCollector() {
 _stats = new SynchronizedDescriptiveStatistics();
 _stats.setWindowSize(DEFAULT_WINDOW_SIZE);
}

/**
 * Returns a copy of this SynchronizedDescriptiveStatistics instance with the
 * same internal state.
 *
 * @return a copy of this
 */
@Override
public synchronized SynchronizedDescriptiveStatistics copy() {
  SynchronizedDescriptiveStatistics result =
    new SynchronizedDescriptiveStatistics();
  copy(this, result);
  return result;
}

/**
 * Runs the iteration of the benchmarks added.
 * 
 * @param context the execution context
 * @throws Exception 
 */
private void runIteration(ExecutionContext context) throws Exception {
  Preconditions.checkArgument(benchmarks != null && !benchmarks.isEmpty(),
      "No Benchmarks configured");
  for (String key : benchmarks.keySet()) {
    ScalabilityBenchmark benchmark = benchmarks.get(key);
    if (result.getBenchmarkStatistics(benchmark) == null) {
      result.addBenchmarkStatistics(benchmark, new SynchronizedDescriptiveStatistics());
    }
    Stopwatch watch = Stopwatch.createStarted();
    executeBenchmark(benchmark, context);
    watch.stop();
    result.getBenchmarkStatistics(benchmark).addValue(watch.elapsed(TimeUnit.MILLISECONDS));
    if (LOG.isDebugEnabled()) {
      LOG.debug("Execution time for " + benchmark + "-"
                    + watch.elapsed(TimeUnit.MILLISECONDS));
    }
  }
}

String line;
int i = 0;
DescriptiveStatistics stats = new SynchronizedDescriptiveStatistics();
stats.setWindowSize(dperiods);
File f = new File("");

private DescriptiveStatistics runTest(int concurrencyLevel) throws Exception {
  final SynchronizedDescriptiveStatistics statistics = new SynchronizedDescriptiveStatistics();
  if (concurrencyLevel == 1) {

SynchronizedDescriptiveStatistics writeStats = new SynchronizedDescriptiveStatistics();