I expect like many of us who administer systems I've gone from having a
handful of remote users (across several different companies) to a much
larger number in a matter of days. Just to add to the general body of
knowledge I cite one example here 'cos I've kept a particular eye on it.
With approx 80-85 users, of which circa 35 or a little more are doing
intensive CAD type work and the rest a mix of documents incl PDF images,
the average bandwidth when busy has been less than 20Mb/s, server load
is typically in the range 1.5-2 (6 cores allocated) and memory use up to
8GB (incl OS) out of 12GB allocated. Very rarely server load will get a
little beyond 3, and bandwith will burst to 100Mb/s.
I'm not collecting stats directly from the various Guacamole VM's I've
got running (I guess I could, but am reluctant to mess with them much at
this time), but attach a 1-day plot of network traffic from one site
here. Bear in mind this will also include outgoing traffic from the
various machines, and a busy mailserver, not just Guacamole <-> remote.
I'm not sure but I may be able to separate the Guacamole server traffic
out from the rest and plot that, will look at it next week and if so
I'll provide that detail FYI.
On 5/04/2020 3:27 a.m., Chris Misztur wrote:
Hey Jason, yeah compute requirements are fairly low. As far as
network, 20 RDP users for me have been under 1Mbit outbound total.
There are bursts. if user starts watching YouTube on their remote
session then it jumps to 7Mbits for that session.
Had same experience running on a RaspberryPi 4. However, lag was
present. Compute and network was fine so I’m not sure why. Video core?
Chris
On Apr 4, 2020, at 9:50 AM, Jason Keltz <[email protected]> wrote:
Hi.
The other day, I asked a question about load balancing on Guacamole.
Nick provided useful information in that respect. Thanks again Nick!
On the other hand, I'd like to get some idea of how many desktop
connections a single Guacamole server could handle. There's really
very little information about that online (that I can find). I
understand that different users will all do different activities
(text editing versus YouTube steaming), and that's going to have an
impact on the numbers, but really, I'm just looking for averages. I
saw one single mention online to this: 1 core and 2G of memory for 25
users. If that's correct, that's really amazing! Although, I
didn't see any mention of the network requirements. I'd like to
build a server capable of handling 150-300 simultaneous desktop
connections. If I could do it with one server, it would be great.
Sure, I can load it with dual Xeon processors, and gigabytes of
memory, but how much network do I need? Is 1 x 10G enough? and will
it really be able to handle the average load?
Thanks for any feedback you can provide. You'll be helping me, but
you'll also be helping others who are trying to search online for the
limitations of Guacamole.
Jason.
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