We typically track many things about the activities in the queue, and we want to summarize the results by choosing a shortlist of the most relevant ones for our

We typically track many things about the activities in the queue, and we want to summarize the results by choosing a shortlist of the most relevant ones for our projects. Dμ = Delivery service rate. Devops teams may say "deployment frequency" or "we ship X times per day". Rτ = Restore lead time. Site reliability engineers may say "time to restore service" or "mean time to restore (MTTR)".