| From: | Curt Sampson <cjs(at)cynic(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Jan Wieck <JanWieck(at)Yahoo(dot)com>, GB Clark <postgres(at)vsservices(dot)com>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, <glenebob(at)nwlink(dot)com>, <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Linux max on shared buffers? |
| Date: | 2002-07-20 09:40:07 |
| Message-ID: | Pine.NEB.4.44.0207201837010.553-100000@angelic.cynic.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Fri, 19 Jul 2002, Tom Lane wrote:
> Just to throw some additional wrenches into the gears: some platforms
> (eg HPPA) have strong restrictions on where you can mmap stuff.
> I quote some interesting material from the HPUX mmap(2) man page below.
> Possibly these restrictions could be worked around, but it looks
> painful.
Very painful indeed. Probably it would be much easier to build a little
mmap-type interface on top of the current system and use that instead of
mmap on such a system. I wonder how many other systems are this screwed up?
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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