[CraftThatBlock]

Cloud Functions isn't 1:1 IIRC, once a Function is booted it keeps serving more requests once warm.

[yegle]

No, the concurrency of GCF is always 1. If the latency of your code handling request is 1s, to handle 100 requests per second you'll need to have 100 instances running.

[CraftThatBlock]

You're right, thanks for letting me know

Link for reference: https://cloud.google.com/functions/docs/max-instances