On Tue, May 21, 2019 at 3:42 AM Abolfazl Kazemi <[email protected]> wrote:
> I apologize for creating an issue for this problem before sending it here. > > I encountered a slow file transfer for guacamole. I tested several > versions up to 1.0 and this issue persisted. > > > When I use guacamole for ssh connections and enable sftp file transfer, > the rate at which files are copied is less than one-tenth of regular rate I > get when using scp command. > > I ran iftop at the destination and copied a 2GB file using guacamole. The > rate I got was about 70Mbps. When I used scp command and copied the same > file the rate was about 900Mbps. > I'm curious about your network architecture for where the difference is between source and destination when using guacd vs. not using it. So, when you do these tests, are you testing: WIth Guac: ClientA (Browser) -> Guacamole Client (Tomcat) -> guacd -> SSH host Without Guac: ClientA -> SSH host ? Or, when you test the SSH copy directly, are you going straight from the system running guacd to the SSH host, or some other system? What combinations of those file transfers have you tried? Also, do you have Guacamole Client (Tomcat) proxied behind Apache httpd or Nginx? Or are you connecting directly to Tomcat? Have you tried various options there - different Proxy, connecting directly, etc.? -Nick >
