gRPC Java wins in part due to not allocating memory when reading and writing buffers. It uses Java-based implementation of jemalloc (via Netty) to manage its o

gRPC Java wins in part due to not allocating memory when reading and writing buffers. It uses Java-based implementation of jemalloc (via Netty) to manage its own memory. No/low allocations means the GC doesn't need to wake up so much.