[PATCH] HTTP/2: add debug logging of control frames
piotrsikora at google.com
Fri Apr 7 21:42:07 UTC 2017
> You can always find these values in configuration, and I can't remember a case where
> I've ever needed them. On the contrary, there's always a problem with the huge size
> of typical http/2 debug log. So it's not a good idea to add something just because
> we can.
As someone who spent the last few days debugging HTTP/2
interoperability issues, looking at those debug logs, I strongly
Also, NGINX's HTTP/2 debug log is really nice (other than the lack of
"recv" prefix ) and can be used as a transcript of HTTP/2 exchange,
which can be shared with people that don't use NGINX, in which case
having SETTINGS values there is critical.
Actually, I have local patch that adds even more debugging for
SETTINGS frame (I'll squash it into this one and send to the mailing
 btw: Would you accept patch that adds "recv" prefix to all
received frames? This would allow for easy "http2 send|http2 recv"
grep for HTTP/2 transcript, and would align frame recv/send messages.
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