private final AtomicLong executeTime = new AtomicLong(0);
        private final AtomicBoolean committed = new AtomicBoolean(false);
        private final long startTime = System.currentTimeMillis();

        @Override
        public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {
            documentCount.incrementAndGet();
        }

        @Override

    }

    public void test_execution_time_tracking() {
        // Test execution time tracking
        IndexUpdateCallback callback = new IndexUpdateCallback() {
            private long startTime = System.currentTimeMillis();
            private long totalTime = 0;

            @Override
            public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {
                try {

        @Override
        public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
            // Simplified store for testing
            systemHelper.calibrateCpuLoad();
            final long startTime = systemHelper.getCurrentTimeAsLong();

            // Required check
            final Object urlObj = dataMap.get(fessConfig.getIndexFieldUrl());
            if (urlObj == null) {

  private V load(K key) throws ExecutionException {
    long startTime = ticker.read();
    V calculatedValue;
    try {
      calculatedValue = loader.load(key);
      put(key, calculatedValue);
    } catch (RuntimeException e) {
      statsCounter.recordLoadException(ticker.read() - startTime);
      throw new UncheckedExecutionException(e);
    } catch (Exception e) {

                // Ignore
            }
        });
        testThread.start();

        long startTime = System.currentTimeMillis();
        method.invoke(crawler, testThread);
        long endTime = System.currentTimeMillis();

        assertTrue("Thread should have been joined", endTime - startTime >= 100);
    }

    // Test destroyContainer private static method via reflection

    long startTime = stopwatch.instant;
    while (permits > 0) {
      int nextPermitsToAcquire = max(1, random.nextInt(permits));
      permits -= nextPermitsToAcquire;
      rateLimiter.acquire(nextPermitsToAcquire);
    }
    rateLimiter.acquire(1); // to repay for any pending debt
    return NANOSECONDS.toMillis(stopwatch.instant - startTime);
  }

    long startTime = stopwatch.instant;
    while (permits > 0) {
      int nextPermitsToAcquire = max(1, random.nextInt(permits));
      permits -= nextPermitsToAcquire;
      rateLimiter.acquire(nextPermitsToAcquire);
    }
    rateLimiter.acquire(1); // to repay for any pending debt
    return NANOSECONDS.toMillis(stopwatch.instant - startTime);
  }

            }
        }

        final SuggestCreator creator = ComponentUtil.getComponent(SuggestCreator.class);
        final LocalDateTime startTime = LocalDateTime.now();
        int ret = creator.create();
        if (ret == 0) {
            ret = creator.purge(startTime);
        }
        return ret;
    }

    private int create() {

        final int multiprocessCrawlingCount = ComponentUtil.getFessConfig().getCrawlingThreadCount();

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();

        final IndexUpdateCallback indexUpdateCallback = ComponentUtil.getComponent(IndexUpdateCallback.class);

        final List<String> sessionIdList = new ArrayList<>();

        if (client == null) {
            throw new CrawlingAccessException("CrawlerClient is null for " + url);
        }

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();
        try (final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(url).build())) {
            if (responseData.getRedirectLocation() != null) {