// Performance check - should complete reasonably fast with optimized locking
            long duration = endTime - startTime;
            assertTrue(duration < 5000, "Concurrent verifies should complete within 5 seconds");
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test

cpovirk <******@****.***> 1773775530 -0700

./gradlew test -verbose
----------------------

Change the default suite timeout to 5 seconds for all
tests (note the exclamation mark).

---------------------------------------
./gradlew test -Dtests.timeoutSuite=5000! ...
---------------------------------------

Change the logging level of ES (not Gradle)

--------------------------------
./gradlew test -Dtests.es.logger.level=DEBUG
--------------------------------

    stopwatch.start();
    assertThat(stopwatch.toString()).isEqualTo("0.000 ns");
    ticker.advance(1);
    assertThat(stopwatch.toString()).isEqualTo("1.000 ns");
    ticker.advance(998);
    assertThat(stopwatch.toString()).isEqualTo("999.0 ns");
    ticker.advance(1);
    assertThat(stopwatch.toString()).isEqualTo("1.000 \u03bcs");
    ticker.advance(1);

cpovirk <******@****.***> 1773775530 -0700

- **MS-SMBD**: SMB2 Remote Direct Memory Access (RDMA) Transport Protocol
- **MS-SMB2 Section 2.2.3.1.1**: SMB2 Negotiate Protocol Request with RDMA
- **MS-SMB2 Section 3.1.5.2**: RDMA Transport Connection
- **RFC 5040**: A Remote Direct Memory Access Protocol Specification
- **RFC 5041**: Direct Data Placement over Reliable Transports

## 3. RDMA Architecture

### 3.1 RDMA Capabilities
```java
public enum RdmaCapability {

     */
    private boolean isWitnessServiceAvailable(InetAddress address) {
        // RPC endpoint mapper port and connection timeout
        final int RPC_ENDPOINT_PORT = 135;
        final int RPC_CONNECT_TIMEOUT_MS = 5000;

        try (Socket socket = new Socket()) {
            socket.connect(new InetSocketAddress(address, RPC_ENDPOINT_PORT), RPC_CONNECT_TIMEOUT_MS);
            return true;
        } catch (IOException e) {

     */
    protected static final int ATTR_SET_MASK = 0x30A7;
    /**
     * Default expiration period for cached attributes in milliseconds
     */
    protected static final int DEFAULT_ATTR_EXPIRATION_PERIOD = 5000;

    /**
     * Hash code for the "." directory entry
     */
    protected static final int HASH_DOT = ".".hashCode();
    /**
     * Hash code for the ".." directory entry
     */

                + "class java.lang.RuntimeException\\]\\]");
  }

  public void testCompletionFinishesWithDone() {
    ExecutorService executor = newFixedThreadPool(10);
    for (int i = 0; i < 50000; i++) {
      AbstractFuture<String> future = new AbstractFuture<String>() {};
      AtomicReference<String> errorMessage = Atomics.newReference();
      executor.execute(
          () -> {

        assertTrue(overallTimeMs < 1000, "Operations should complete quickly without lock contention");

        pool.close();
    }

    /**
     * Test buffer cache performance with concurrent operations
     */
    @Test
    public void testBufferCachePerformance() throws Exception {
        int threadCount = 10;
        int operationsPerThread = 1000;