On 12.03.2011 02:26, Mulyadi Santosa wrote:

What you saw was probably they were not "old" enough to be swapped
out...thus they stayed.

There is possibility to clear the cache manually by typing:

echo 1 > /proc/sys/vm/drop_caches

but you don't want probably to do that, the more data in cache the better :)

--
regards
Andrzej Kardas
http://www.linux.mynotes.pl