response.setHeader("Retry-After", String.valueOf(RETRY_AFTER_SECONDS));
        response.getWriter()
                .write("{\"response\":{\"status\":9,\"message\":\"Server is busy. Please retry after " + RETRY_AFTER_SECONDS
                        + " seconds.\",\"retry_after\":" + RETRY_AFTER_SECONDS + "}}");
    }

/**
 * File System Control Code (FSCC) request for pipe wait operations.
 * Implements the FSCTL_PIPE_WAIT control code used to wait for a named pipe
 * to become available when attempting to connect to a busy pipe.
 *
 * @author mbechler
 */
public class FsctlPipeWaitRequest implements Encodable {

    private final byte[] nameBytes;
    private final long timeout;
    private final boolean timeoutSpecified;

    <error-code>408</error-code>
    <location>/WEB-INF/view/error/redirect.jsp?type=logOut</location>
  </error-page>
  <error-page>
    <error-code>429</error-code>
    <location>/WEB-INF/view/error/redirect.jsp?type=busy</location>
  </error-page>
  <error-page>
    <error-code>500</error-code>
    <location>/WEB-INF/view/error/redirect.jsp?type=systemError</location>
  </error-page>

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

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

    @Test
    public void test_doFilter_errorPathExcluded() throws IOException, ServletException {
        setConfig(10, 10);
        testableFilter.setCpuPercent((short) 99);
        mockRequest.setRequestURI("/error/busy/");

        testableFilter.doFilter(mockRequest, mockResponse, mockFilterChain);

        assertTrue(mockFilterChain.wasDoFilterCalled());
    }

    @Test

            "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.",

    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

            "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.",

	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{

      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) {