expStatus: replication.Pending,
	},
	{ // 3. replication status for one target - incorrect format
		name:      "replication status for one target",
		rs:        ReplicationState{ReplicationStatusInternal: "arn1=PENDING"},
		expStatus: replication.StatusType(""),
	},
	{ // 4. replication status for 3 targets, one of them failed
		name: "replication status for 3 targets - one failed",

	Queued InQueueMetric `json:"queued"`
	// Proxy stats
	Proxied ProxyMetric `json:"proxied"`
	// replication metrics summary for each site replication peer
	Metrics map[string]SRMetric `json:"replMetrics"`
	// uptime of node being queried for site replication metrics
	Uptime int64 `json:"uptime"`

grafana-replication-cluster.png...

	ReplicationReset = "replication-reset"
	// ReplicationStatus has internal replication status - stringified representation of target's replication status for all replication
	// activity initiated from this cluster
	ReplicationStatus = "replication-status"
	// ReplicationTimestamp - the last time replication was initiated on this cluster for this object version
	ReplicationTimestamp = "replication-timestamp"

		"Average number of active replication workers")
	replicationAverageQueuedBytesMD = NewGaugeMD(replicationAverageQueuedBytes,
		"Average number of bytes queued for replication since server start")
	replicationAverageQueuedCountMD = NewGaugeMD(replicationAverageQueuedCount,
		"Average number of objects queued for replication since server start")

}

// ActiveWorkerStat is stat for active replication workers
type ActiveWorkerStat struct {
	Curr int     `json:"curr"`
	Avg  float32 `json:"avg"`
	Max  int     `json:"max"`
	hist metrics.Histogram
}

func newActiveWorkerStat(r metrics.Registry) *ActiveWorkerStat {
	h := metrics.NewHistogram(metrics.NewUniformSample(100))
	r.Register("replication.active_workers", h)
	return &ActiveWorkerStat{
		hist: h,

		adminLogIf(ctx, err)
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}
}

// SRStateEdit - PUT /minio/admin/v3/site-replication/state/edit
//
// used internally to tell current cluster to update site replication state
func (a adminAPIHandlers) SRStateEdit(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

		"Number of DELETE tagging requests proxied to replication target",
		bucketL, targetArnL)
	bucketReplProxiedGetRequestsFailuresMD = NewCounterMD(bucketReplProxiedGetRequestsFailures,
		"Number of failures in GET requests proxied to replication target",
		bucketL, targetArnL)
	bucketReplProxiedGetRequestsTotalMD = NewCounterMD(bucketReplProxiedGetRequestsTotal,
		"Number of GET requests proxied to replication target",
		bucketL, targetArnL)

		}
	case replication.Completed:
		if ri.OpType.IsDataReplication() {
			rs.set(ri.Arn, ri.Size, ri.Duration, status, ri.OpType, ri.endpoint, ri.secure, ri.Err)
		}
	case replication.Failed:
		if ri.OpType.IsDataReplication() && prevStatus == replication.Pending {
			rs.set(ri.Arn, ri.Size, ri.Duration, status, ri.OpType, ri.endpoint, ri.secure, ri.Err)
		}
	case replication.Replica:

grafana-replication-node.png...