pluginAuthnServiceLastFailSeconds      = "plugin_authn_service_last_fail_seconds"
	pluginAuthnServiceLastSuccSeconds      = "plugin_authn_service_last_succ_seconds"
	pluginAuthnServiceSuccAvgRttMsMinute   = "plugin_authn_service_succ_avg_rtt_ms_minute"
	pluginAuthnServiceSuccMaxRttMsMinute   = "plugin_authn_service_succ_max_rtt_ms_minute"

	// 		// ReadIdleTimeout is the timeout after which a health check using ping
	// 		// frame will be carried out if no frame is received on the
	// 		// connection. 5 minutes is sufficient time for any idle connection.
	// 		trhttp2.ReadIdleTimeout = 5 * time.Minute
	// 		// PingTimeout is the timeout after which the connection will be closed
	// 		// if a response to Ping is not received.
	// 		trhttp2.PingTimeout = dialTimeout

	globalDomainIPs   set.StringSet // Root domain IP address(s) for a distributed MinIO deployment

	globalOperationTimeout       = newDynamicTimeout(10*time.Minute, 5*time.Minute) // default timeout for general ops
	globalDeleteOperationTimeout = newDynamicTimeout(5*time.Minute, 1*time.Minute)  // default time for delete ops

	globalBucketObjectLockSys *BucketObjectLockSys
	globalBucketQuotaSys      *BucketQuotaSys

	loadNodesUpDown := func() (v nodesOnline, err error) {
		v.Online, v.Offline = globalNotificationSys.GetPeerOnlineCount()
		return
	}
	return cachevalue.NewFromFunc(1*time.Minute,
		cachevalue.Opts{ReturnLastGood: true},
		loadNodesUpDown)
}

type driveIOStatMetrics struct {
	readsPerSec    float64
	readsKBPerSec  float64
	readsAwait     float64
	writesPerSec   float64

import java.time.ZoneOffset
import java.time.format.DateTimeFormatterBuilder
import java.time.temporal.ChronoField.HOUR_OF_DAY
import java.time.temporal.ChronoField.MINUTE_OF_HOUR
import java.time.temporal.ChronoField.NANO_OF_SECOND
import java.time.temporal.ChronoField.SECOND_OF_MINUTE
import java.util.logging.Formatter
import java.util.logging.LogRecord

/**

		// Keep for 15 minutes after we last saw the client.
		// Since the cache is finished keeping it a bit longer doesn't hurt us.
		return false
	case cache.status == scanStateError || cache.status == scanStateNone:
		// Remove failed listings after 5 minutes.
		return time.Since(cache.lastUpdate) > 5*time.Minute
	}
	return true
}

	lockMaintenanceInterval = 1 * time.Minute

	// Lock validity duration
	lockValidityDuration = 1 * time.Minute
)

// lockMaintenance loops over all locks and discards locks
// that have not been refreshed for some time.
func lockMaintenance(ctx context.Context) {
	if !globalIsDistErasure {
		return
	}

	// Initialize a new ticker with 1 minute between each ticks.

	case "fast":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 1, 100*time.Millisecond, time.Minute
	case "default":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 2, time.Second, time.Minute
	case "slow":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 10, 15*time.Second, time.Minute
	case "slowest":
		cfg.Delay, cfg.MaxWait, cfg.Cycle = 100, 15*time.Second, 30*time.Minute
	default:
		return cfg, fmt.Errorf("unknown '%s' value", speed)
	}

	writeTotal        MetricName = "write_total"
	total             MetricName = "total"
	freeInodes        MetricName = "free_inodes"

	lastMinFailedCount  MetricName = "last_minute_failed_count"
	lastMinFailedBytes  MetricName = "last_minute_failed_bytes"
	lastHourFailedCount MetricName = "last_hour_failed_count"
	lastHourFailedBytes MetricName = "last_hour_failed_bytes"
	totalFailedCount    MetricName = "total_failed_count"

		if reqStartTime.After(h.LastCheckFailure) {
			h.LastCheckFailure = reqStartTime
		}
	}

	// Round the request time *down* to whole minute.
	reqTimeMinute := reqStartTime.Truncate(time.Minute)
	if reqTimeMinute.After(h.currentMinute.statsTime) {
		// Drop the last full minute now, since we got a request for a time we
		// are not yet tracking.
		h.updateLastFullMinute(reqTimeMinute)
	}
	var entry *serviceRTTMinuteStats