Have you calculated in the follow below

 * vCPU
 * Memory
 * MTU: (for bandwidth)


Example of our specs on VDI which handles little over 10,000 connection.

 * OS: Debian 12 (FIPS 140-2)
 * 64Gig Ram
 * MTU 9000 (10GBase-T)
 * vCPU 2 Socket 12Cores 24 Threads (36 cpus)
 * MySQL (MariaDB) with DUO Federal extension

You can run bmon or network analyzer to identify traffic ingres/egress, majority of the time its either client side connection (min 5MB ingress/egress) RDP requires 12-24MB per connection or your systems is saturating on resources.

Also look to your webserver nginx or apache and increase the worker threads.

Hope this helps.

*Thank You*
Sean Hulbert


*Security Centric Inc.*
A Cybersecurity Virtualization Enablement Company
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On 11/19/2024 9:15 AM, Mailing Lists wrote:
Hi!

Afaik this can also be a client side issue, for example if your clients can‘t use websockets!

Did you recently change firewall rules or network topology?

Regards

Peter
via Smartphone

Am 19.11.2024 um 16:43 schrieb Björn Lindén <bjorn.lin...@ueab.se>:


Hello!

We recently started getting problems with Guacamole having extremely slow performance on RDP. If theres no graphics, it works pretty OK, but open up a picture and it takes forever to load, sometimes it just freezes, sometimes you can see it slowly loading, square by square. Like the screen is seperated into small rectangular sections that load really slowly. Not sure what causes the square thing, maybe someone knows?

Anyways, this used to work perfectly, havent had this problem at all before. This MIGHT have been introduced when I patched the ubuntu server guacamole runs on, but not sure. Im using the official docker images, not natively installed.

Ive tried changing performance settings in guacamole but cant find a solution. I can see some type of 101 web socket token in the web browser console, so maybe web sockets work, I dont really know for sure.

I have tried bypassing the reverse proxy Im using, and the results are the same. RDP directly to the windows servers works perfectly, but not from guacamole.

What could the problem be?
I cant figure this thing out.

Best Regards,
Björn

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