> Do you know why they were looking to replace Stubby?
Likely to maintain less code long term. It's nice to have a primative like this open source so you can use it everywhere (even on mobile). I'm not sure about the claim that gRPC isn't customizable enough, I think there are a lot of hooks in place. For example Open Census does a lot of the instrumentation that you get for free at Google with Stubby, but for gRPC: https://opencensus.io/zpages/
Likely to maintain less code long term. It's nice to have a primative like this open source so you can use it everywhere (even on mobile). I'm not sure about the claim that gRPC isn't customizable enough, I think there are a lot of hooks in place. For example Open Census does a lot of the instrumentation that you get for free at Google with Stubby, but for gRPC: https://opencensus.io/zpages/
> How stubby went about it: Stubby is a lot closer to the experimental callback API talked about here: https://github.com/grpc/proposal/pull/180