* A ticker that reads the current time using {@link System#nanoTime}.
   *
   * @since 10.0
   */
  public static Ticker systemTicker() {
    return SYSTEM_TICKER;
  }

  private static final Ticker SYSTEM_TICKER =
      new Ticker() {
        @Override
        @SuppressWarnings("GoodTime") // reading system time without TimeSource
        public long read() {
          return System.nanoTime();
        }
      };

| `/system/network/internode` | Metrics about internode requests made by the node. |
| `/system/memory`            | Metrics about memory on the system.                |
| `/system/process`           | Standard process metrics.                          |

#### `/system/drive`

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

@Deprecated
public class TestFileManager {

    public static final String TEMP_DIR_PATH = System.getProperty("java.io.tmpdir");

    private List<File> filesToDelete = new ArrayList<>();

    private final String baseFilename;

    private final String fileSuffix;

    private StackTraceElement callerInfo;

```

> NOTE: if you set any of the following sub-system configuration using ENVs, dynamic behavior is not supported.

### Usage scanner

    @Test
    void testReadDataWireFormatWithValidLength() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] sourceData = { 10, 20, 30, 40, 50 };
        byte[] buffer = new byte[100];
        System.arraycopy(sourceData, 0, buffer, 10, sourceData.length);

        // Execute
        int result = response.readDataWireFormat(buffer, 10, sourceData.length);

        // Verify

        try (OutputStream out = sourceFile.openOutputStream(false)) {
            out.write(content.getBytes("UTF-8"));
        }
        sourceFile.close();

        // Wait for file system to sync
        Thread.sleep(500);
        System.gc();
        Thread.sleep(200);

        // Verify source exists
        CIFSContext verifyContext = createFreshContext();

    }

    public void test_waitForNext_withPositiveInterval() throws InterruptedException {
        configHelper.setReloadInterval(20L);

        long startTime = System.currentTimeMillis();
        configHelper.waitForNext();
        long endTime = System.currentTimeMillis();

        long elapsed = endTime - startTime;
        assertTrue("Expected at least 15ms sleep, got " + elapsed + "ms", elapsed >= 15);

        // can be read from the cache.
        System.out.println("Force cache: true");
        clientForCall = client.newBuilder()
            .addNetworkInterceptor(REWRITE_CACHE_CONTROL_INTERCEPTOR)
            .build();
      } else {
        System.out.println("Force cache: false");
        clientForCall = client;
      }

package jcifs;

import org.junit.platform.suite.api.SelectPackages;
import org.junit.platform.suite.api.Suite;
import org.junit.platform.suite.api.SuiteDisplayName;

/**
 * Test suite that runs all JCIFS tests
 */
@Suite
@SuiteDisplayName("JCIFS Complete Test Suite")
@SelectPackages({ "jcifs.util", "jcifs.smb", "jcifs.config", "jcifs.internal.smb2", "jcifs.ntlmssp" })
public class AllTestsSuite {
    // Test suite configuration

|       7 |                 1 |           7 |                       3 |                             3 |                              3 |

## Minimum System Configuration for Production

| servers | drives (per node) | stripe_size | parity chosen (default) | tolerance for reads (servers) | tolerance for writes (servers) |