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

[Robert Arkiletian]

On 10/5/07, "Terrell Prudé Jr." <microman at cmosnetworks.com> 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).
>

Will both these changes only make a difference if your server is
actively using swap? IOW if you never hit swap, do they matter?

-- 
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
C++ GUI tutorial http://www3.telus.net/public/robark/