I am deploying a microservices - based application using an orchestrator (Rancher specifically).
During the service upgrade (when new images are being pulled and services re-discover one another), there is a small service outage.
What is the best / recommended way to measure the downtime?
I am performing e.g. a
watch -n1 'wget --spider http://some.endpoint.whoa'
but I want to time the duration of e.g.