queueDirComment   = `staging dir for undelivered messages e.g. '/home/events'`
	queueLimitComment = `maximum limit for undelivered messages, defaults to '100000'`
)

// Help template inputs for all notification targets
var (
	HelpWebhook = config.HelpKVS{
		config.HelpKV{
			Key:         target.WebhookEndpoint,
			Description: "webhook server endpoint e.g. http://localhost:8080/minio/events",

		})
	}

	return metrics
}

func getResourceMetricDescription(subSys MetricSubsystem, name MetricName, help string) MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: subSys,
		Name:      name,
		Help:      help,
		Type:      gaugeMetric,
	}
}

func getResourceMetrics() *MetricsGroupV2 {
	mg := &MetricsGroupV2{

		config.IdentityOpenIDSubSys: openid.Help,
		config.IdentityLDAPSubSys:   xldap.Help,
		config.IdentityTLSSubSys:    xtls.Help,
		config.IdentityPluginSubSys: idplugin.Help,
		config.PolicyOPASubSys:      opa.Help,
		config.PolicyPluginSubSys:   polplugin.Help,
		config.LoggerWebhookSubSys:  logger.Help,
		config.AuditWebhookSubSys:   logger.HelpWebhook,
		config.AuditKafkaSubSys:     logger.HelpKafka,

		Subsystem: tierSubsystem,
		Name:      ttlbDistribution,
		Help:      "Distribution of time to last byte for objects downloaded from warm tier",
		Type:      gaugeMetric,
	}

	// {minio_node}_{tier}_{requests_success}
	tierRequestsSuccessMD = MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: tierSubsystem,
		Name:      tierRequestsSuccess,

				if err != nil {
					err = msgp.WrapError(err, "Name")
					return
				}
				z.Name = MetricName(zb0004)
			}
		case "Help":
			z.Help, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Help")
				return
			}
		case "Type":
			{
				var zb0005 string
				zb0005, bts, err = msgp.ReadStringBytes(bts)
				if err != nil {

		prometheus.HistogramOpts{
			Name:    "s3_ttfb_seconds",
			Help:    "Time taken by requests served by current MinIO server instance",
			Buckets: []float64{.05, .1, .25, .5, 1, 2.5, 5, 10},
		},
		[]string{"api"},
	)
	bucketHTTPRequestsDuration = prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Name:    "s3_ttfb_seconds",
			Help:    "Time taken by requests served by current MinIO server instance per bucket",

			adminRouter.Methods(http.MethodDelete).Path(adminVersion + "/del-config-kv").HandlerFunc(adminMiddleware(adminAPI.DelConfigKVHandler))
		}

		// Enable config help in all modes.
		adminRouter.Methods(http.MethodGet).Path(adminVersion+"/help-config-kv").HandlerFunc(adminMiddleware(adminAPI.HelpConfigKVHandler, traceAllFlag)).Queries("subSys", "{subSys:.*}", "key", "{key:.*}")

		// Config KV history operations.

		f := strings.ToLower(p.Format)
		if f != event.NamespaceFormat && f != event.AccessFormat {
			return fmt.Errorf("unrecognized format value")
		}
	}

	if p.ConnectionString != "" {
		// No pq API doesn't help to validate connection string
		// prior connection, so no validation for now.
	} else {
		// Some fields need to be specified when ConnectionString is unspecified
		if p.Port == "" {

func (h *healSequence) countFailed(res madmin.HealResultItem) {
	h.mutex.Lock()
	defer h.mutex.Unlock()

	for _, d := range res.After.Drives {
		// For failed items we report the endpoint and drive state
		// This will help users take corrective actions for drives
		h.healFailedItemsMap[d.Endpoint+","+d.State]++
	}

	h.lastHealActivity = UTCNow()
}

func (h *healSequence) countHeals(healType madmin.HealItemType, healed bool) {

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	writeSuccessResponseJSON(w, econfigData)
}

// HelpConfigKVHandler - GET /minio/admin/v3/help-config-kv?subSys={subSys}&key={key}
func (a adminAPIHandlers) HelpConfigKVHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)