[K12OSN] How to DRASTICALLY speed up app response on K12LTSP

["Terrell Prudé Jr."]

Jim Kronebusch wrote:
> On Fri, 05 Oct 2007 03:29:36 -0400, Terrell Prudé Jr. wrote
>   
>> I just ran across this today over at www.linuxtoday.com.  I tried out
>> the following two settings on my K12LTSP 4.2EL box to see if they would
>> indeed speed up response time for desktop apps.
>>
>> /sbin/sysctl -w vm.swappiness=1    (default is 60)
>> /sbin/sysctl -w vm.vfs_cache_pressure=50   (default is 100)
>>
>> These are, as you might've guessed from the "vm" in the name, virtual
>> memory settings for Linux (the kernel).
>>     
>
> Can anyone think of any benefit to making these same changes in
> /opt/ltsp/i386/etc/sysctl.conf?  I assume not since everything is basically running in RAM.
>
> Jim
>
>   

I can think of one.  If you're running apps locally on your thin client,
and you have NFSSWAP turned on, then I could see it being a benefit. 
Otherwise, no.  Anyone?

--TP
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