int threadCount = 10;
        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch doneLatch = new CountDownLatch(threadCount);
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);

        // Create test data
        byte[] testData = new byte[64];
        for (int i = 0; i < testData.length; i++) {
            testData[i] = (byte) i;
        }

        CountDownLatch latch = new CountDownLatch(threadCount);
        AtomicInteger collisions = new AtomicInteger(0);

        // When generating nonces concurrently
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        for (int t = 0; t < threadCount; t++) {
            executor.submit(() -> {
                try {
                    for (int i = 0; i < noncesPerThread; i++) {

        void testHighConcurrencyNoDeadlock() throws InterruptedException {
            int threadCount = 100;
            int operationsPerThread = 50;
            ExecutorService executor = Executors.newFixedThreadPool(threadCount);
            CountDownLatch startLatch = new CountDownLatch(1);
            CountDownLatch endLatch = new CountDownLatch(threadCount);
            AtomicInteger completedOps = new AtomicInteger(0);

    private CountDownLatch endLatch;

    @Test
    void testTransferProgressedWithPrintResourceNames() throws Exception {
        int size = 1000;
        ExecutorService service = Executors.newFixedThreadPool(size * 2);
        try {
            startLatch = new CountDownLatch(size);
            endLatch = new CountDownLatch(size);
            Map<String, String> output = new ConcurrentHashMap<String, String>();

        int threadCount = 10;
        int operationsPerThread = 100;
        CountDownLatch latch = new CountDownLatch(threadCount);
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        AtomicInteger successCount = new AtomicInteger(0);
        AtomicInteger failureCount = new AtomicInteger(0);

        for (int t = 0; t < threadCount; t++) {

        session.setParallel(parallel);
        for (ProjectSegment segment : projectBuilds) {
            segment.getSession().setParallel(parallel);
        }
        ExecutorService executor = Executors.newFixedThreadPool(nThreads, new BuildThreadFactory());
        CompletionService<ProjectSegment> service = new ExecutorCompletionService<>(executor);

        for (TaskSegment taskSegment : taskSegments) {

     */
    @Test
    public void testConcurrentBufferOperations() throws Exception {
        // Given
        int threadCount = 10;
        int opsPerThread = 100;
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);
        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch endLatch = new CountDownLatch(threadCount);
        AtomicInteger successCount = new AtomicInteger(0);

    this.client = client;
    this.queue = new LinkedBlockingQueue<>(queueLimit);
    this.hostLimit = hostLimit;
  }

  private void parallelDrainQueue(int threadCount) {
    ExecutorService executor = Executors.newFixedThreadPool(threadCount);
    for (int i = 0; i < threadCount; i++) {
      executor.execute(() -> {
        try {
          drainQueue();
        } catch (Throwable e) {
          e.printStackTrace();
        }

        }

        if (analyzer == null) {
            analyzer = SuggestUtil.createDefaultAnalyzer(client, settings);
        }

        if (threadPool == null) {
            threadPool = Executors.newFixedThreadPool(threadPoolSize);
        }

        return new Suggester(client, settings, readingConverter, contentsReadingConverter, normalizer, analyzer, threadPool);
    }

                logger.warn("Failed to create system properties file.", e);
            }
        }

        int totalCount = 0;
        int count = 1;
        final ExecutorService executorService = Executors.newFixedThreadPool(options.numOfThreads);
        try {
            while (count != 0) {
                count = ComponentUtil.getThumbnailManager().generate(executorService, options.cleanup);
                totalCount += count;