}

    private final AtomicLong rdmaReads = new AtomicLong();
    private final AtomicLong rdmaWrites = new AtomicLong();
    private final AtomicLong rdmaSends = new AtomicLong();
    private final AtomicLong rdmaReceives = new AtomicLong();
    private final AtomicLong bytesTransferred = new AtomicLong();
    private final AtomicLong operationErrors = new AtomicLong();

    private final AtomicLong lastFailureTime = new AtomicLong(0);
    private final AtomicLong stateChangeTime = new AtomicLong(System.currentTimeMillis());

    // Statistics
    private final AtomicLong totalCalls = new AtomicLong(0);
    private final AtomicLong totalFailures = new AtomicLong(0);
    private final AtomicLong totalSuccesses = new AtomicLong(0);

  @Param("2.5")
  double concentration;

  Random random = new Random();

  LoadingCache<Integer, Integer> cache;

  int max;

  static AtomicLong requests = new AtomicLong(0);
  static AtomicLong misses = new AtomicLong(0);

  @BeforeExperiment
  void setUp() {
    // random integers will be generated in this range, then raised to the
    // power of (1/concentration) and floor()ed

   * zero values have been removed and others have not.
   */
  public void removeAllZeros() {
    Iterator<Entry<K, AtomicLong>> entryIterator = map.entrySet().iterator();
    while (entryIterator.hasNext()) {
      Entry<K, AtomicLong> entry = entryIterator.next();
      AtomicLong atomic = entry.getValue();
      if (atomic != null && atomic.get() == 0L) {
        entryIterator.remove();
      }
    }
  }

    private final AtomicLong lastFailureTime = new AtomicLong(0);
    private final AtomicLong lastStateChangeTime = new AtomicLong(System.currentTimeMillis());

    // Metrics tracking
    private final AtomicLong totalRequests = new AtomicLong(0);
    private final AtomicLong totalFailures = new AtomicLong(0);
    private final AtomicLong totalSuccesses = new AtomicLong(0);

    public void test_interface_methods() {
        // Test with anonymous implementation
        IndexUpdateCallback callback = new IndexUpdateCallback() {
            private final AtomicLong docSize = new AtomicLong(0);
            private final AtomicLong execTime = new AtomicLong(0);

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

    
    public class ChannelStatistics {
        private final AtomicLong bytesSent = new AtomicLong();
        private final AtomicLong bytesReceived = new AtomicLong();
        private final AtomicLong operations = new AtomicLong();
        private final AtomicLong errors = new AtomicLong();
        private final AtomicLong latencyTotal = new AtomicLong();
        
        public double getAverageLatency() {

    private final ConcurrentLinkedQueue<RdmaMemoryRegion> availableSendRegions;
    private final ConcurrentLinkedQueue<RdmaMemoryRegion> availableReceiveRegions;
    private final AtomicLong totalAllocated;
    private final AtomicLong totalReleased;

    // Buffer pool configuration
    private final int initialSendBuffers = 32;
    private final int initialReceiveBuffers = 64;
    private final int sendBufferSize = 65536; // 64KB

  @Param("2.5")
  double concentration;

  Random random = new Random();

  LoadingCache<Integer, Integer> cache;

  int max;

  static AtomicLong requests = new AtomicLong(0);
  static AtomicLong misses = new AtomicLong(0);

  @BeforeExperiment
  void setUp() {
    // random integers will be generated in this range, then raised to the
    // power of (1/concentration) and floor()ed

    private static final int MAX_PATH_SIZE = 32767;

    // Statistics
    private final AtomicLong totalValidations = new AtomicLong(0);
    private final AtomicLong failedValidations = new AtomicLong(0);
    private final AtomicLong bufferOverflowsPrevented = new AtomicLong(0);
    private final AtomicLong integerOverflowsPrevented = new AtomicLong(0);

    /**
     * Validate SMB response buffer bounds
     *