Java gRPC implemenation beats Rust, C++, C#, Golang in throughput (github.com)

> The current results aren't realistic because the method on the server does no work. In the real-world there will be I/O (reading from FS, DB, calling another service, etc) and an execution model that assumes no blocking will grind to a halt.

https://github.com/LesnyRumcajs/grpc_bench/issues/120