The 4 key metrics that #highperformingteams care about are: lead time; deployment frequency; mean time to restore, known as MTTR & change failure rate. These suggest we need a focus on both #fastflow of change and on feedback from live systems. This makes complete sense when you consider that we’re building very complicated systems whose behaviour cannot be fully specified or predicted before we make a change. Find out more in the Team Topologies for Managers course https://m.youtube.com/watch?v=rCtXV99RfFA&feature=youtu.be