> consistently low latency That's (a) just one objective and (b) too vaguely stated. What's an acceptable p95 latency for a FaaS? For a database write? For a

> consistently low latency That's (a) just one objective and (b) too vaguely stated. What's an acceptable p95 latency for a FaaS? For a database write? For a message queue? The answer is a very big "it depends". And why are we only talking about latency? There are tradeoffs literally everywhere you look in this space, and not knowing enough about the application's performance, reliability, and efficiency goals can sometimes be a real hindrance to being good at running that application.