On Nov 6, 2006, at 12:22 PM, Dan Nelson wrote:
In the last episode (Nov 06), Roselyn Lee said:
Does freebsd use memory for disk caching that is not accounted for in
these stats?
Yes, free memory is used as cache. As "Free" decreases, you will see
"Inact, "Cache" and "Buf" increase.
Yep. What many people are looking for when they ask "how much memory
is available to run new programs" is actually not just the "Free"
memory, but something closer to "Free" + "Inactive". However, stuff
that is in "Inactive" which has been modified will need to be written
out to the swapfile before being evicted to make room for another
program...
--
-Chuck
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