/**
     * Creates a new fixed thread pool executor with the specified number of threads.
     *
     * @param nThreads the number of threads in the pool
     * @return a new ThreadPoolExecutor configured for this callback
     */
    protected ExecutorService newFixedThreadPool(final int nThreads) {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialized executor thread pool: size={}", nThreads);
        }

    //                                                                         Poll Loop
    //                                                                         ===========

    /**
     * Periodic poll that sends a heartbeat, processes new events, and cleans up expired documents.
     */
    protected void poll() {
        try {
            sendHeartbeat();
        } catch (final Exception e) {

        searchLogHelper.createSearchLog(params, now, "test-query-id", "test query", 0, 10, queryResponseList, context);

        assertFalse(searchLogHelper.searchLogQueue.isEmpty());
        return searchLogHelper.searchLogQueue.poll();
    }

    @Test
    public void test_addSearchLog_accessType_json() {
        final SearchLog searchLog = callCreateSearchLogAndGetResult(Constants.SEARCH_LOG_ACCESS_TYPE_JSON);

    }

    /**
     * Data transfer object representing JVM buffer pool statistics.
     */
    public static class JvmPoolObj {
        /**
         * Default constructor.
         */
        public JvmPoolObj() {
            // Default constructor
        }

        /** Buffer pool name */
        public String key;
        /** Number of buffers */
        public long count;

        final ForkJoinPool pool = new ForkJoinPool(10);
        for (int i = 0; i < 1000; i++) {
            pool.execute(() -> {
                assertEquals(result, crawlingInfoHelper.generateId(dataMap));
                counter.incrementAndGet();
            });
        }
        pool.shutdown();
        pool.awaitTermination(10, TimeUnit.SECONDS);

 * of crawled documents into the search engine.
 *
 * <p>The DataIndexHelper supports:</p>
 * <ul>
 *   <li>Concurrent crawling of multiple data configurations</li>
 *   <li>Thread pool management for crawler execution</li>
 *   <li>Session-based crawling with cleanup operations</li>
 *   <li>Old document deletion after successful crawling</li>
 *   <li>Crawling execution monitoring and timing</li>
 * </ul>

        final List<SearchLog> searchLogList = new ArrayList<>();
        final Map<String, UserInfo> userInfoMap = new HashMap<>();
        while (!queue.isEmpty()) {
            final SearchLog searchLog = queue.poll();
            if (searchLog != null) {
                final String userAgent = searchLog.getUserAgent();
                final boolean isBot =

 * This processor supports searching with multiple searchers concurrently and merging their results based on
 * ranking scores to provide more comprehensive and accurate search results.
 *
 * The processor maintains a pool of searchers and an executor service for concurrent operations.
 * It implements rank fusion techniques to combine results from different search engines
 * and provides a unified search interface.
 */

        indexUpdater.maxErrorCount = 0;

        // Make dataService throw runtime exception
        ((TestDataService) dataService).setThrowRuntimeException(true);

        indexUpdater.start();

        // Poll for thread to process exceptions
        for (int i = 0; i < 20; i++) {
            if (!indexUpdater.isAlive() || indexUpdater.getState() == Thread.State.WAITING

        try {
            JobProcess jobProcess = processHelper.startProcess(sessionId, cmdList, pbCall, 1024, outputCallback);
            assertNotNull(jobProcess);

            // Poll for process to complete
            for (int i = 0; i < 50; i++) {
                if (!jobProcess.getProcess().isAlive()) {
                    break;
                }
                Thread.sleep(100);