void testScoring() {
        channelInfo.setState(ChannelState.ESTABLISHED);
        int baseScore = channelInfo.getScore();
        assertTrue(baseScore > 0);

        // Active channel should have lower score (busy penalty)
        channelInfo.setState(ChannelState.ACTIVE);
        int activeScore = channelInfo.getScore();
        assertTrue(activeScore < baseScore);

        // Failed channel should have zero score

			<arg>"errorBadRequest"</arg>
			<arg>"error/badRequest.jsp"</arg>
		</postConstruct>
		<postConstruct name="addDesignJspFileName">
			<arg>"errorBusy"</arg>
			<arg>"error/busy.jsp"</arg>
		</postConstruct>
		<postConstruct name="addDesignJspFileName">
			<arg>"cache"</arg>
			<arg>"cache.hbs"</arg>
		</postConstruct>
		<postConstruct name="addDesignJspFileName">
			<arg>"login"</arg>

            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",
            "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",
            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",

            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",
            "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",
            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",

     *
     * @return channel score
     */
    public int getScore() {
        int score = 100;

        // Adjust based on state
        if (state == ChannelState.ACTIVE)
            score -= 20; // Busy channel penalty
        if (state != ChannelState.ESTABLISHED && state != ChannelState.ACTIVE)
            return 0;

        // Adjust based on error rate
        double errorRate = getErrorRate();

      if (activeTask == null && futureTasks.isEmpty()) {
        return CountDownLatch(0)
      }

      // If there's an existing AwaitIdleTask, use it. This is necessary when the executor is
      // shutdown but still busy as we can't enqueue in that case.
      val existingTask = activeTask
      if (existingTask is AwaitIdleTask) {
        return existingTask.latch
      }
      for (futureTask in futureTasks) {

	driveWritesAwaitMD = NewGaugeMD(driveWritesAwait,
		"Average time for write requests served on a drive",
		allDriveLabels...)
	drivePercUtilMD = NewGaugeMD(drivePercUtil,
		"Percentage of time the disk was busy",
		allDriveLabels...)
)

func getCurrentDriveIOStats() map[string]madmin.DiskIOStats {
	types := madmin.MetricsDisk
	driveRealtimeMetrics := collectLocalMetrics(types, collectMetricsOpts{

	rulesMap := event.NewRulesMap(eventNames, pattern, event.TargetID{ID: mustGetUUID()})

	// Listen Publisher uses nonblocking publish and hence does not wait for slow subscribers.
	// Use buffered channel to take care of burst sends or slow w.Write()
	ch := make(chan event.Event, globalAPIConfig.getRequestsPoolCapacity())
	err := globalHTTPListen.Subscribe(mask, ch, ctx.Done(), func(ev event.Event) bool {

    s.defaultWriteObject();
    s.writeLong(sum());
  }

  private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
    s.defaultReadObject();
    busy = 0;
    cells = null;
    base = s.readLong();
  }

   * spread over each second. When the incoming request rate exceeds {@code permitsPerSecond} the
   * rate limiter will release one permit every {@code (1.0 / permitsPerSecond)} seconds. When the
   * rate limiter is unused, bursts of up to {@code permitsPerSecond} permits will be allowed, with
   * subsequent requests being smoothly limited at the stable rate of {@code permitsPerSecond}.
   *