A program that makes many memory allocation - for measuring the ratio of local/remote memory

NUMATest.java

public class NUMABenchmarkService {

  private static final long TIME_TO_RUN = 3600000 * 12;
  private static final int NUM_OF_THREADS = 1;
  private final ExecutorService executorService;


  class MemoryTest implements Runnable {

    @Override
    public void run() {
      long timeToStop = System.currentTimeMillis() + TIME_TO_RUN;
      int sum = 0;
      while(System.currentTimeMillis() < timeToStop) {
        final byte[][] arrays = new byte[1_000_000][];
        for (int i = 0; i < arrays.length; i++) {
          arrays[i] = new byte[1000];
          ThreadLocalRandom.current().nextBytes(arrays[i]);
        }

        for (long l = 0; l < 1_000_000_000L; l++) {
          final byte[] array = arrays[ThreadLocalRandom.current().nextInt(arrays.length)];
          sum += array[ThreadLocalRandom.current().nextInt(array.length)];
        }

        writeThreadMetrics();
      }

      System.out.println(sum);
    }
  }
}