I share the love of tracing. Internally at Google I sometimes stare at traces traversing hundreds of RPCs. It's about the only tool where I can very quickly go

I share the love of tracing. Internally at Google I sometimes stare at traces traversing hundreds of RPCs. It's about the only tool where I can very quickly go "wait, this shouldn't be the costly part" and "ugh, why are these sequential", then look exactly what the particular requests were and where the QoS was set wrong.