Re: 5s hangs with http2 and variable-based proxy_pass

2016-10-10 Thread Chris West
You are correct, the DNS server (Google Public DNS) isn't responding to the requests. I don't know if this is because the UDP packets are getting lost due to the flood generated, or if it thinks it's an attack. Ramming dnsmasq in the middle fixes it, but I don't really understand why, as the test

Re: 5s hangs with http2 and variable-based proxy_pass

2016-10-10 Thread Valentin V. Bartenev
On Monday 10 October 2016 12:34:18 Chris West wrote: > If you enable http2, our proxy setup develops 5s hangs, under load. > This happens from at least Chrome/linux, Firefox/linux and Edge/win10. > > Any suggestions on how to further diagnose this problem, or work out > where this "5 second" numbe

5s hangs with http2 and variable-based proxy_pass

2016-10-10 Thread Chris West
If you enable http2, our proxy setup develops 5s hangs, under load. This happens from at least Chrome/linux, Firefox/linux and Edge/win10. Any suggestions on how to further diagnose this problem, or work out where this "5 second" number is coming from? Full reproduction config and debug logs are a