}
		}
	}
	dID := r.Form.Get("by-depID")
	done := ctx.Done()
	ticker := time.NewTicker(interval)
	defer ticker.Stop()
	w.Header().Set(xhttp.ContentType, string(mimeJSON))

	enc := json.NewEncoder(w)
	for n > 0 {
		var m madmin.RealtimeMetrics
		mLocal := collectLocalMetrics(types, collectMetricsOpts{
			hosts: hostMap,
			disks: diskMap,
			jobID: jobID,
			depID: dID,
		})

			return
		}

		contentType := expfmt.Negotiate(r.Header)
		w.Header().Set("Content-Type", string(contentType))

		enc := expfmt.NewEncoder(w, contentType)
		for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {
				// client may disconnect for any reasons
				// we do not have to log this.
				return
			}
		}