For anyone who has not come across it, the Well-Architected Review is a set of questions AWS publishes at no cost. It covers six areas: operational excellence, security, reliability, performance efficiency, cost optimisation and sustainability. Operational excellence, on paper, asks whether a system is documented and observable. Operational excellenceThe review gave us the most to work with in operational excellence. If you think your company could benefit from a Well-Architected Review, get in touch at lsdopen.io and we will set up a session.