Not if the process doesn't take long, so the most the user (or consuming service) sees is a slower response than usual. That I would class as a temporary perfor

Not if the process doesn't take long, so the most the user (or consuming service) sees is a slower response than usual. That I would class as a temporary performance degradation. If the degradation is significant it might still not be acceptable, of course, but I'd not call it downtime.