2016-06-02 19:48 GMT+02:00 Grant Slater <[email protected]>:
> On 2 June 2016 at 18:00, Jeffrey Ollie <[email protected]> wrote: > > On Thu, Jun 2, 2016 at 11:57 AM, Jeffrey Ollie <[email protected]> wrote: > >> > >> > >> On Thu, Jun 2, 2016 at 11:50 AM, Tom Hughes <[email protected]> wrote: > >>> > >>> On 02/06/16 17:47, Jeffrey Ollie wrote: > >>>> > >>>> > >>>> HTTP/2 support became available in the stable release of nginx in > April > >>>> when 1.10.0 was released. It's been available in the development > >>>> versions for quite a while. > >>> > >>> > >>> Well that machine is running 1.10.1 so I guess it should be available. > >> > >> > >> It's not enabled by default, you need to make sure that nginx has the > >> http2 module compiled in and then there's a small configuration change > to > >> make: > >> > >> https://nginx.org/en/docs/http/ngx_http_v2_module.html > > > > > > And most importantly, HTTP/2 basically requires TLS so it's not going to > > help much right now. Personally I'd like to see OpenStreetMap go TLS-only > > but that's a bigger discussion. > > > > This experiment is only for HTTP without TLS for the moment. TFO and > HTTP/2 are a create combo and I plan to test them soon. We are using > Ubuntu 16.04 which ships with openssl 1.0.2 and supports > Application-Layer Protocol Negotiation which is required for HTTP/2. > > I too would like to go TLS only, but we have a long tail of software > and versions we'd like to support. We also have mappers dispersed all > over with world (YAY!), but some have slow or unreliable connections. > TLS has traditionally suffered from extra round trips and has seemed > to suffer more when connections have some packet loss. > > Kind regards, > > Grant > > FYI I've enabled HTTP/2 on tilecache.openstreetmap.fr which is our new main tile cache for HOT and FR basemaps. It is only enabled for HTTPS. You can check https://b.tile.openstreetmap.fr/osmfr/6/31/22.png The server is currently running nginx 1.9.10 which has a small bug on HTTP/2 which causes "writing connections" to grow overtime. I have a restart done nightly to handle it... and will move to 1.10 (a fix has been done in 1.9.12). -- Christian Quest - OpenStreetMap France
_______________________________________________ dev mailing list [email protected] https://lists.openstreetmap.org/listinfo/dev
