I don't understand why he is having this problem, when I, with only a
100mb/s LAN and a 20mb/s Comcast cable connection to my servers, and an
antique Power Mac 1.1, am not.
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On Mon, 1 Feb 2016, ukasz Czerpak wrote:
Date: Mon, 1 Feb 2016 18:17:56 +0100
From: "[utf-8] ukasz Czerpak" <[email protected]>
To: Stefan Seidel <[email protected]>
Cc: [email protected]
Subject: Re: [X2Go-User] X2Go speed (Gb LAN) vs. pure X
Hi,
Have you tried 'adaptive' method with image compression set to ~7? Stable
versions of X2Go client may not support this yet, so you'd need to use Nightly
Builds.
It improved user experience significantly - none of other methods worked so
smoothly.
Best regards,
ÿÿukasz
On 14 Jan 2016, at 16:12, Stefan Seidel <[email protected]> wrote:
Hi,
I am currently testing X2Go to be a replacement for our (1GBit/s) LAN XDMCP
setup. I have set up a Jessie X2Go-PXE server VM with a Jessie chroot env.
It is working in principle, I can get a connection and the advantage of session
suspend/resume is great. (Although I had to remove the pulseaudio startup from
the x2gosessiond to make it work.)
However, I have two problems:
1. How can I set client-specific X11 options? We have clients with complex multi-monitor
setups. Xinerama doesn't seem to be working, either, once I have set the screens on the
client (using Ctrl+Alt+F1, then xrandr) and connect, the X session only sees one
"big" screen.
2. Speed: for small screen updates (menu items etc.) - I would guess < 10k pixels - X2Go
is very speedy and responsive. For anything larger (Google Chrome being a serious offender,
as it always updates the whole rendering area) it is much slower. Even just scrolling in
Firefox is "laggy". Pure X is much faster for these large screen updates. I have
tried various settings, 4k-jpeg is almost acceptable speed-wise but still not fast enough.
Test setup:
X2Go-Server: Core i7-860 (4x2.8GHz), 24G RAM
X2Go-PXE: VM with 4GHz AMD, 2G RAM
Clients: Pentium D 2.8GHz, 512MB RAM, nVidia Dual-DVI graphics (model 6200 IIRC)
with 2 1600x1200 monitors -> 2400x1600 total screen area.
Clients use NOUVEAU and report Chipset: "NVIDIA NV44"
Thanks in advance for any hints,
Stefan
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