}
			sys.RemoveStaleBuckets(diskBuckets)

			for i := range buckets {
				wait := sleeper.Timer(ctx)

				bucket := buckets[i].Name
				updated := false

				meta, err := loadBucketMetadata(ctx, sys.objAPI, bucket)
				if err != nil {
					internalLogIf(ctx, err, logger.WarningKind)
					wait() // wait to proceed to next entry.
					continue
				}

				sys.Lock()

	// while counting the number of concurrent connections
	return int(globalHTTPListen.Subscribers()) + int(globalTrace.Subscribers())
}

func waitForLowIO(maxIO int, maxWait time.Duration, currentIO func() int) {
	// No need to wait run at full speed.
	if maxIO <= 0 {
		return
	}

	const waitTick = 100 * time.Millisecond

	tmpMaxWait := maxWait

	for currentIO() >= maxIO {
		if tmpMaxWait > 0 {
			if tmpMaxWait < waitTick {

        }

        /**
         * Returns the response.
         * @param time The time to wait.
         * @param unit The time unit.
         * @return The response.
         */
        public RESPONSE getResponse(final long time, final TimeUnit unit) {
            try {
                final boolean isTimeout = !latch.await(time, unit);
                if (isTimeout) {

				close(reqStarted)
				// Just wait for it to cancel.
				for blockResp {
					select {
					case <-ctx.Done():
						close(serverCanceled)
						return NewRemoteErr(ctx.Err())
					case resp <- []byte{1}:
						time.Sleep(10 * time.Millisecond)
					}
				}
				// Just wait for it to cancel.
				<-ctx.Done()
				close(serverCanceled)

		schemaCacheKey = fmt.Sprintf("%p-%s", modelType, specialTableName)
	}

	// Load exist schema cache, return if exists
	if v, ok := cacheStore.Load(schemaCacheKey); ok {
		s := v.(*Schema)
		// Wait for the initialization of other goroutines to complete
		<-s.initialized
		return s, s.err
	}

	var tableName string
	modelValue := reflect.New(modelType)
	if specialTableName != "" {

	)
	ErrInvalidBatchKeyRotationWorkersWait = newErrFn(
		"Invalid value for batch key rotation workers wait",
		"Please input a non-negative duration",
		"keyrotation_workers_wait should be > 0ms",
	)
	ErrInvalidBatchReplicationWorkersWait = newErrFn(
		"Invalid value for batch replication workers wait",
		"Please input a non-negative duration",
		"replication_workers_wait should be > 0ms",
	)

                executor.shutdownNow();
            }
        }

        long elapsed = (System.nanoTime() - time) / 1000000;
        long wait = waittime * (numTasks - 1);
        assertTrue(elapsed + " >= " + wait, elapsed + 1L >= wait);
    }

    /**
     * Test that different hosts can be accessed concurrently without delay
     */
    public void test_multipleHosts_concurrent() {

   * @since 15.0
   */
  void awaitRunning();

  /**
   * Waits for the {@link Service} to reach the {@linkplain State#RUNNING running state} for no more
   * than the given time.
   *
   * @param timeout the maximum time to wait
   * @throws TimeoutException if the service has not reached the given state within the deadline

	cdone := make(chan bool)
	for range numReaders {
		go parallelReader(context.Background(), m, clocked, cunlock, cdone)
	}
	// Wait for all parallel RLock()s to succeed.
	for range numReaders {
		<-clocked
	}
	for range numReaders {
		cunlock <- true
	}
	// Wait for the goroutines to finish.
	for range numReaders {
		<-cdone
	}
}

// Borrowed from rwmutex_test.go

   * Last, but not least: consider a RateLimiter with rate of 1 permit per second, currently
   * completely unused, and an expensive acquire(100) request comes. It would be nonsensical to just
   * wait for 100 seconds, and /then/ start the actual task. Why wait without doing anything? A much
   * better approach is to /allow/ the request right away (as if it was an acquire(1) request