On Mon, Apr 02, 2012 at 06:34:59PM -0400, Przemek Klosowski wrote:
> On Mon, Apr 02, 2012 at 08:32:56PM +0200, Miloslav Trmač wrote:
> >* #834 F18 Feature: /tmp on tmpfs -
> > http://fedoraproject.org/wiki/Features/tmp-on-tmpfs (mitr, 17:40:06)
> > * AGREED: tmp-on-tmpfs is accepted (+5 -3) (mitr, 18:12:52)
>
> The wiki page says:
> By implementing this we, by default, generate less IO on disks. This
> increases SSD lifetime, saves a bit of power and makes things a bit
> faster.
>
> What about the memory pressure? with on-disk /tmp, the buffer cache
> prevents excessive writing if there's memory to spare, but the
> system still works when memory is used up. What happens with tmpfs?
tmpfs contents are pageable, and will be swapped out if necessary.
Dave
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