return false;
        }

        // Check per-account limit
        if (username != null) {
            AccountAttempts account = accountAttempts.computeIfAbsent(username, k -> new AccountAttempts());
            if (account.isLockedOut()) {
                if (account.getLockoutExpiry().isAfter(Instant.now())) {
                    totalAttemptsBlocked.incrementAndGet();

        }

        // Track connection metrics
        String key = getConnectionKey(address, port);
        connectionMetrics.computeIfAbsent(key, k -> new ConnectionMetrics()).recordConnection();
        activeConnections.incrementAndGet();

        if (nonPooled) {
            this.nonPooledConnections.offer(conn);
        } else {

        String key = type.name();
        long currentWindow = System.currentTimeMillis() / rateLimitWindow;
        String windowKey = key + "_" + currentWindow;

        AtomicLong counter = rateLimitCounters.computeIfAbsent(windowKey, k -> new AtomicLong(0));
        long currentCount = counter.incrementAndGet();

        // Clean up old windows periodically
        if (currentCount == 1) {

        for (String key : sessionKeys.keySet()) {
            if (key.contains(".v")) {
                String baseSession = key.substring(0, key.indexOf(".v"));
                sessionArchives.computeIfAbsent(baseSession, k -> new java.util.ArrayList<>()).add(key);
            }
        }

        // Remove old versions
        int removed = 0;

     *
     * @param index the index name
     * @param path  path to the configuration file
     */
    public void addConfigFile(final String index, final String path) {
        configListMap.computeIfAbsent(index, k -> new ArrayList<>()).add(path);
    }

    /**
     * Sets the configuration settings for the search engine.
     *
     * @param settings map of configuration key-value pairs
     */