What version of Go are you using? Have you tried HTTP/2? The only thing that jumps out at me is that r.Body() is never closed.
-- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.