Tom Lane wrote:

Are you sure it's not cached data pages, rather than cached inodes?
If so, the above behavior is *good*.

People often have a mistaken notion that having near-zero free RAM means
they have a problem.  In point of fact, that is the way it is supposed
to be (at least on Unix-like systems).  This is just a reflection of the
kernel doing what it is supposed to do, which is to use all spare RAM
for caching recently accessed disk pages.  If you're not swapping then
you do not have a problem.

Except for the fact that my Java App server crashes when all the available memory is being used by caching and not reclaimed :-)

If it wasn't for the app server going down, I probably wouldn't care.


Jon Brisbin
NPC International, Inc.

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