continue
			}

			// when respCh is not set caller is not waiting but we
			// update the relevant metrics for them
			if bgSeq != nil {
				if err == nil {
					bgSeq.countHealed(res.Type)
				} else {
					bgSeq.countFailed(res.Type)
				}
			}
		case <-ctx.Done():
			return
		}
	}
}

func newHealRoutine() *healRoutine {
	workers := runtime.GOMAXPROCS(0) / 2