```
notify_webhook        publish bucket notifications to webhook endpoints
notify_amqp           publish bucket notifications to AMQP endpoints
notify_kafka          publish bucket notifications to Kafka endpoints
notify_mqtt           publish bucket notifications to MQTT endpoints
notify_nats           publish bucket notifications to NATS endpoints
notify_nsq            publish bucket notifications to NSQ endpoints

			_, err = target.stanConn.PublishAsync(target.args.Subject, data, nil)
		} else {
			err = target.stanConn.Publish(target.args.Subject, data)
		}
	} else {
		if target.jstream != nil {
			_, err = target.jstream.Publish(target.args.Subject, data)
		} else {
			err = target.natsConn.Publish(target.args.Subject, data)
		}
	}
	return err
}

			Description:     "publish bucket notifications to webhook endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyAMQPSubSys,
			Description:     "publish bucket notifications to AMQP endpoints",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyKafkaSubSys,
			Description:     "publish bucket notifications to Kafka endpoints",

	var wg sync.WaitGroup
	publish := func(in <-chan MetricV2) {
		defer wg.Done()
		for metric := range in {
			labels, values := getOrderedLabelValueArrays(metric.VariableLabels)
			collectMetric(metric, labels, values, "resource", out)
		}
	}

	// Call peer api to fetch metrics
	wg.Add(2)
	go publish(ReportMetrics(GlobalContext, c.metricsGroups))

	startTime := time.Now()
	return func(err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceRebalance) > 0 {
			globalTrace.Publish(rebalanceTrace(r, poolIdx, startTime, duration, err, strings.Join(paths, " ")))
		}
	}

				errStr = err.Error()
			}
			custom["total-errs-timeout"] = strconv.FormatUint(p.totalErrsTimeout.Load(), 10)
			custom["total-errs-availability"] = strconv.FormatUint(p.totalErrsAvailability.Load(), 10)
			globalTrace.Publish(storageTrace(s, startTime, duration, strings.Join(paths, " "), errStr, custom))
		}
	}
}

const (
	diskHealthOK int32 = iota
	diskHealthFaulty
)

type diskHealthTracker struct {

	if err = ch.ExchangeDeclare(target.args.Exchange, target.args.ExchangeType, target.args.Durable,
		target.args.AutoDeleted, target.args.Internal, target.args.NoWait, nil); err != nil {
		return err
	}

	if err = ch.Publish(target.args.Exchange, target.args.RoutingKey, target.args.Mandatory,
		target.args.Immediate, amqp091.Publishing{
			Headers:      headers,
			ContentType:  "application/json",
			DeliveryMode: target.args.DeliveryMode,

func (sys *LifecycleSys) trace(oi ObjectInfo) func(event string) {
	startTime := time.Now()
	return func(event string) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceILM) > 0 {
			globalTrace.Publish(ilmTrace(startTime, duration, oi, event))
		}
	}
}

type expiryTask struct {
	objInfo ObjectInfo
	event   lifecycle.Event
	src     lcEventSrc
}

	startTime := time.Now()
	return func(err error) {
		duration := time.Since(startTime)
		if globalTrace.NumSubscribers(madmin.TraceDecommission) > 0 {
			globalTrace.Publish(decomTrace(d, poolIdx, startTime, duration, strings.Join(paths, " "), err))
		}
	}
}

func (z *erasureServerPools) decommissionInBackground(ctx context.Context, idx int) error {
	pool := z.serverPools[idx]

		config.HelpKV{
			Key:         target.NATSStreamingAsync,
			Description: "[DEPRECATED] set to 'on', to enable asynchronous publish",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.NATSStreamingMaxPubAcksInFlight,
			Description: "[DEPRECATED] number of messages to publish without waiting for ACKs",
			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{