I'm seeing the same issue using Apache with mod_proxy enabled, so I'm watching this thread with curiosity. Erik Berndt / Systems Administrator 5551 Wellington Rd, Gainesville, VA 20155 703.631.0004 x520 (Phone) / 703.257.1725 (Fax) http://www.superiorpaving.net
Need to open an IT support ticket? http://FixIT.superiorpaving.net/portal or [email protected] On Wed, Jun 14, 2017 at 11:59 AM, Mike Jumper <[email protected]> wrote: > On Wed, Jun 14, 2017 at 8:47 AM, Tony Hooker <[email protected]> wrote: >> >> We are running into a curious issue with users in Guac experiencing >> extreme lag after opening 3+ connections in multiple tabs. We looked at the >> /var/log/tomcat8/catalina.out log and we found that our server is not >> passing the tunnel servlet via websockets. >> >> >> >> 16:14:22.737 [http-nio-8080-exec-8] INFO >> o.a.g.t.h.RestrictedGuacamoleHTTPTunnelServlet - Using HTTP tunnel (not >> WebSocket). Performance may be sub-optimal. > > > Browsers throttle the total number of HTTP connections established via > JavaScript on a per-domain basis, even across tabs. Once the browser starts > delaying the creation of outbound connections until existing connections > close, there will be resource contention between each of the Guacamole tabs, > and performance will suffer. > >> >> >> We then checked our Nginx web service and made sure all the proper >> websocket configurations were in place, and it checked out. >> >> > > What version of Nginx are you using? > > Can you post your configuration? > >> My next thought was maybe tomcat8 isn’t setup properly for websockets. Has >> anyone had this issue and could reply with some insight? >> >> > > > I believe Tomcat 8 is always setup for websocket. > > - Mike >
