> The weird thing, is that later on today when no one is on the system, free
> will give me almost the exact same numbers. Why are not the buffers and
> cache getting flushed (right word?). I've been watching the memory usage
> for the last few days and it stays about the same no matter how the system
> is being used.
This gets discussed on this list now and then. Linux will free up unused
memory when it needs it. If you have nothing much going on, sometimes
running a memory intense proggy will force the kernel to clean things up.
After you exit the proggy, check it again.
When I start up X, I tend to have tons of memory free.. but over time,
under the same load, the reported amount of free memory decreases. Then I
play some Quake 3 (Q3F 0wns j00), and I think that after coming out of it
at times, I see that it's sorta cleaned things up.. since Quake 3
(actually the Q3F mod) uses such a large chunk of memory.. I guess when
freeing it, the numbers seem a little more exact... or whatever I'm trying
to say.. reported memory usage a little high, put memory-hungry proggy in
mem, take it out, looks better <shrug>
Note that the swap partition won't (or shouldn't) get touched unless all
(or enough of) the RAM is actually in use.
sorry for the run-on sentences :)
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