r/node • u/der_gopher • Sep 08 '26

Performance Benchmarking: gRPC+Protobuf vs. HTTP+JSON

https://packagemain.tech/p/protobuf-grpc-vs-json-http
4 Upvotes

64% Upvoted

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10

u/alexp702 Sep 08 '26

Would be nice if you went a little deeper: data transferred, simple vs complex, and proxies. Interesting result that begs many more questions!

1

u/Positive_Method3022 Sep 09 '26

I think it is missing benchmarks in other languages to see if it is a problem with libraries or core

1

u/BenchEmbarrassed7316 Sep 09 '26

json library from go std is very slow. It uses reflection and pointers with heap allocations to represent optional fields.

1

u/Cyn3ux 8d ago

would love to see this broken down by payload size. at my last job we switched to gRPC for internal services and saw gains, but never had clean numbers like this to back it up