assertTrue(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    stopwatch.sleepMillis(100);
    assertFalse(limiter.tryAcquire(0, SECONDS));
  }

  public void testTryAcquire_someWaitAllowed() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertTrue(limiter.tryAcquire(0, SECONDS));

   * second" (commonly referred to as <i>QPS</i>, queries per second).
   *
   * <p>The returned {@code RateLimiter} ensures that on average no more than {@code
   * permitsPerSecond} are issued during any given second, with sustained requests being smoothly
   * spread over each second. When the incoming request rate exceeds {@code permitsPerSecond} the

    assertTrue(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    stopwatch.sleepMillis(100);
    assertFalse(limiter.tryAcquire(0, SECONDS));
  }

  public void testTryAcquire_someWaitAllowed() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertTrue(limiter.tryAcquire(0, SECONDS));

				continue
			}

			if h.batchSize > 1 {
				// If we are doing batching, we should wait
				// at least one second before sending.
				// Even if there is nothing in the queue.
				if time.Since(lastBatchProcess).Seconds() < 1 {
					continue
				}
			}
		}

		lastBatchProcess = time.Now()

	retry:
		// If the channel reaches above half capacity

	ttfbDistribution    = "seconds_distribution"
	ttlbDistribution    = "ttlb_seconds_distribution"

	lastActivityTime = "last_activity_nano_seconds"
	startTime        = "starttime_seconds"
	upTime           = "uptime_seconds"
	memory           = "resident_memory_bytes"
	vmemory          = "virtual_memory_bytes"
	cpu              = "cpu_total_seconds"

      }
    }
  }

  /* Half of a 1-second timeout in nanoseconds */
  private static final long HALF_SECOND_NANOS = NANOSECONDS.convert(1L, SECONDS) / 2;

  public void testShutdownAndAwaitTermination_immediateShutdown() throws Exception {
    ExecutorService service = Executors.newSingleThreadExecutor();
    assertTrue(shutdownAndAwaitTermination(service, 1L, SECONDS));
    assertTrue(service.isTerminated());
  }

		if terr != nil {
			t.Errorf("failed to accept new connection. %v", terr)
			return
		}
		deadlineconn := New(tcpConn)
		deadlineconn.WithReadDeadline(time.Second)
		deadlineconn.WithWriteDeadline(time.Second)
		defer deadlineconn.Close()

		// Read a line
		b := make([]byte, 12)
		_, terr = deadlineconn.Read(b)
		if terr != nil {
			t.Errorf("failed to read from client. %v", terr)
			return

| `start_time_seconds`          | `gauge`   | Start time for MinIO process in seconds since Unix epoc                                                        | `server` |
| `uptime_seconds`              | `gauge`   | Uptime for MinIO process in seconds                                                                            | `server` |

      }
    }
  }

  /* Half of a 1-second timeout in nanoseconds */
  private static final long HALF_SECOND_NANOS = NANOSECONDS.convert(1L, SECONDS) / 2;

  public void testShutdownAndAwaitTermination_immediateShutdown() throws Exception {
    ExecutorService service = Executors.newSingleThreadExecutor();
    assertTrue(shutdownAndAwaitTermination(service, 1L, SECONDS));
    assertTrue(service.isTerminated());
  }

| `minio_cluster_replication_link_offline_duration_seconds`  | Total duration of replication link being offline in seconds since last offline event                     |
| `minio_cluster_replication_link_downtime_duration_seconds` | Total downtime of replication link in seconds since server start                                         |