free memory keeps going down on 5.4-release
jerrymc at msu.edu
Mon Nov 6 20:35:16 UTC 2006
On Mon, Nov 06, 2006 at 09:08:04AM -0800, Roselyn Lee wrote:
> We're running freebsd 5-4 release and notice that an idle system's free
> memroy keeps decreasing. The system has 1 GB memory and the free mem
> starts at ~700M and goes down steadily until it hits 2M and stays there.
> After that bringing up more apps on the system doesn't seem to make the
> free memory any smaller. I checked top and vmstat -m, vmstat -z and
> can't see where all that memory is going. Does freebsd use memory for
> disk caching that is not accounted for in these stats?
I believe this is normal. There have been many similar posts and
explanatory replies about this sort of thing. There may even be
a FAQ on it (but I haven't checked). It is an artifact of how
memory allocation works and improved efficiency of memory algoritms.
So, do a little archive and FAQ searching. There may also be articles
in online publications such as Onlamp or others.
> Thanks in advance for any help.
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