[K12OSN] Slight O.T. - FreeNX

[Joseph Bishay]

Hello,

Thank you for the link - I tried fixing it but it seemed to make no
difference at all.

Perhaps someone else may have a recommendation also?

Thanks,
Joseph

On Mon, Oct 18, 2010 at 2:53 PM, David Hopkins <dahopkins429 at gmail.com> wrote:
> I can't speak to the settings but I can tell you that I have noticed
> that Ubuntu does seem to have some performance issues.  In my case it
> is all related to dbus using 100% of the cpu and driving the load
> average very very high (>300 at times).   A fix for this is to
> increase the nofile setting (defaults to 1024).  See:
> https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/381063
>
> If the sluggishness is due to dbus, this might help ... and if you are
> going to have more than 30'ish users, it is needed.
>
> Sincerely,
> Dave Hopkins
>
> On Mon, Oct 18, 2010 at 12:21 AM, Joseph Bishay <joseph.bishay at gmail.com> wrote:
>> Hello,
>>
>> I hope everyone is doing well.
>>
>> So I am in the process of testing out a new installation of Edubuntu
>> and I noticed that FreeNX seems to be *much* slower on Ubuntu than on
>> Fedora.  Here's the setup:
>>
>> - Fedora 10 server (older hardware)
>> - Edubuntu 10.10 server (ironically newer hardware)
>>
>> Both these servers are in the same rack, plugged into the same switch
>> going to the same router out to the Internet.
>>
>> I'm connecting to both of them using the NoMachine NX client from the
>> same computer at home.  Configuration at the client end is identical
>> (resolution, LAN settings, etc.)
>>
>> I can easily see the screen refreshing during the Edubuntu session
>> while the Fedora session is much more smooth.
>>
>> Is this something anyone else has noticed?  Or are there specific
>> settings on the servers that I would need to change to maximize
>> performance?
>>
>> Thank you
>> Joseph
>>
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