"with CMS gone you still have 11 other collectors to choose amongst - most likely G1, ZGC, Shenandoah, metronome, gencon+concurrentScavenge or optavgpause"
"Service level objectives (SLOs) provide an interface between your application and anyone or application that interacts with it, including: the business agreements for how the application performs; your team members for when it is no longer productive to work on performance; your customers for what they can expect; priority selection amongst competing requirements for the application (breaching your SLOs is the same as any high priority bug that needs fixing)"