On Thu, Apr 16, 2020 at 3:04 PM Nanney, Ryan (GE Healthcare, consultant) < ryan.nan...@ge.com> wrote:
> Hello all, > > > > I am a technical product owner with GE Healthcare and we are using > Guacamole to provide medical professionals an ability to remotely access > applications while reviewing diagnostic imaging such as MRI scans. Overall > our experience with Guacamole has been quite good, though we have an area > of concern and are curious what types of options exist. The symptom we are > facing is during certain instances of cinematic playback there are blocky > (64x64 squares) areas which become noticeable at certain times. I was able > to watch the websocket traffic to identify this scenario. > > > > I have attached a small MKV video to illustrate the playback issue folks > are having issue with, for your review. > > > > We are operating off of a Gigabit LAN environment and Guacamole is exposed > to the LAN, the rest of the traffic happens inside of a virtualized > environment. Our endpoints are all using RDP, either from Windows Server > 2012R2 or Windows Server 2019. > > > > It has been observed that direct RDP provides a smoother playback > experience. Also, it seems that server 2019 is better than 2012R2. We > have tried both the docker container and building from source, with version > 1.0.0 and 1.1.0 which produce similar experiences. An nginx server is also > in play, though we have tested with that removed from the stack. > > > > I certainly welcome any feedback or ideas anyone may have. We would like > to understand the cause and what the potential fix(es) may be. It seems to > be something within guacd or tomcat? > > > Ryan, Have you examined resource utilization on both the system running guacd and the system running Tomcat (may be the same system?) to make sure there isn't any resource shortage, there? -Nick
