>>>>> "DM" == Dror Matalon <[EMAIL PROTECTED]> writes:

DM> which brings me back to my question why not make Freebsd use more of its
DM> memory for disk caching and then tell postgres about it. 

Because this is a painfully hard thing to do ;-(

It involves hacking a system header file and recompiling the kernel.
It is not a simple tunable.  It has side effects regarding some other
sizing parameter as well, but I don't recall the details.  Details
have been posted to this list at least once before by Sean Chittenden.

Vivek Khera, Ph.D.                Khera Communications, Inc.
Internet: [EMAIL PROTECTED]       Rockville, MD  +1-301-869-4449 x806
AIM: vivekkhera Y!: vivek_khera   http://www.khera.org/~vivek/

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