Re: was there a change in FreeBSD SHM implementation from

From: Curt Sampson <cjs(at)cynic(dot)net>
To: Vivek Khera <khera(at)kcilink(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: was there a change in FreeBSD SHM implementation from
Date: 2002-07-13 10:20:54
Message-ID: Pine.NEB.4.44.0207131920080.454-100000@angelic.cynic.net
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On Fri, 12 Jul 2002, Vivek Khera wrote:

> Sometimes it does, sometimes it does not. But I still disagree that
> relying on the OS to cache pages that you could (and should) just as
> well keep in the SHM segments already makes no sense.

It's not "just as well," it's "also." If you're caching two copies
of a lot of pages, you're not going to have as many pages in memory.
Very simple.

cjs
--
Curt Sampson <cjs(at)cynic(dot)net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC

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