On Mon, Feb 22, 2010 at 08:26:52PM +0000, Dawid Lorenz wrote: > On 22 February 2010 18:06, Marius Gedminas <[email protected]> wrote: > > (Note that after a fresh boot with hundreds of megs of swap used the UI > > is still snappy; it's after a large app pushes essential bits of the OS > > into swap that leaves the UI a bit struggling, even after you close that > > large app -- the OS bits are swapped-in incrementally on demand, so > > expect occasional pauses.) > > That's what exactly I suspect is happening here and I wonder whether there > is some way of flushing memory and/or swap from leftovers of apps that got > closed?
There are no leftovers of apps that got closed; AFAIU it's just that
apps/libraries that didn't get closed were pushed from RAM into swap and
haven't moved back in again. To force them back into RAM you can try
sudo gainroot
swapoff -a; swapon -a
Marius Gedminas
--
Premature optimization is the root of all evil.
-- D.E. Knuth
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