duration = globalNetPerfMinDuration
	}

	if duration < globalNetPerfMinDuration {
		// We need sample size of minimum 10 secs.
		duration = globalNetPerfMinDuration
	}

	duration = duration.Round(time.Second)

	results, err := globalSiteReplicationSys.Netperf(ctx, duration)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(toAPIErrorCode(ctx, err)), r.URL)
		return
	}

					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "plugin_authn_service_succ_avg_rtt_ms_minute",
					Help:      "When plugin authentication is configured, returns average round-trip-time of successful requests in the last full minute",
					Type:      gaugeMetric,
				},
				Value: pluginAuthNMetrics.AvgSuccRTTMs,
			},
			{
				Description: MetricDescription{

	<li>Give an error if unable to represent an integer constant
	    precisely.</li>

	<li>Give an error if unable to represent a floating-point or
	    complex constant due to overflow.</li>

	<li>Round to the nearest representable constant if unable to
	    represent a floating-point or complex constant due to limits
	    on precision.</li>
</ul>

<p>