Q: Should I have swap?
Jack Wasey
gmane at jackwasey.com
Fri Jun 9 10:46:03 UTC 2006
Daniel Carrera wrote:
> Jack Wasey wrote:
>> Daniel Carrera wrote:
>>> Jails look interesting. I just have one question (I hope someone can
>>> answer): If I have 10 clients running Gnome+OpenOffice+Firefox will
>>> the RAM in the server have 10 redundant copies of those applications?
>>
>> No, that's what your server's swap is for. (Also see swap over network
>> for LTSP. Alternative or complementary?)
>
> I don't really understand what you are trying to say. I'm concerned that
> if I use jails there will be multiple redundant copies of common
> programs like Gnome, all stored in virtual memory. So the virtual memory
> requirement would go out the roof and we'd miss most of the benefit of
> thin clients.
>
> Daniel.
That's true, but you wrote "will the RAM in the server..." not "will the virtual
memory..." You would have to allocate plenty of swap.
I can't believe that LTSP doesn't have RAM utilisation limits per user, but I
can't find anything after a quick search on LTSP.org
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