Disk buffer / memory utilization
R. Payette
premi at altern.org
Mon Oct 25 19:09:13 PDT 2004
I'm trying to get the best performances from a ratter limited system.
My question is 2 fold :
1- the 'buf' column in top, I thought freebsd ( and other modern OSes )
used free memory for disk buffer until it is required for something
else. But I see on my system that the 'buf' is always 14 M no matter
the load on the server, even in heavy swapping situations, it remains
14 M.
2- how to reduce the wired memory ? I have a lean custom built kernel
and 17M ( around 22M after a few hour of utilization ) is a little to
much to be normal. I mean, out of the 64M this machine has, 36M are
locked out by the bare system which has, a network card, a hard disk
and an unused video card ( headless machine ).
Is there something I can tune in sysctl or my kernel conf ? or is it a
concept I don't get correctly ?
Thanks for any help, pointers
More information about the freebsd-performance
mailing list