| From: | Kris Kennaway <kris(at)obsecurity(dot)org> |
|---|---|
| To: | Mark Kirkwood <markir(at)paradise(dot)net(dot)nz> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Maxime Henrion <mux(at)freebsd(dot)org>, Kris Kennaway <kris(at)obsecurity(dot)org>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [mux@FreeBSD.org: Re: Anyone interested in improving postgresql scaling?] |
| Date: | 2007-04-11 02:09:37 |
| Message-ID: | 20070411020936.GA77953@xor.obsecurity.org |
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| Lists: | pgsql-hackers |
On Wed, Apr 11, 2007 at 12:50:06PM +1200, Mark Kirkwood wrote:
> Tom Lane wrote:
>
> >
> >>I think the high number of setproctitle() calls are more problematic
> >>to us at the moment, Kris can comment on that.
> >
> >As of PG 8.2 it is possible to turn those off. I don't think there's a
> >lot of enthusiasm for turning them off by default ... at least not yet.
> >But it might make sense to point out in the PG documentation that
> >update_process_title is particularly costly on platforms X, Y, and Z.
> >Do you know if this issue affects all the BSDen equally?
> >
>
>
> Might be good to turn off by default for the 8.2+ Postgresql versions in
> the FreeBSD ports tree (looks like postgresql.conf.sample is being
> patched anyway, so pretty easy to amend).
Yeah, we might end up doing this, but I consider it a workaround.
Kris
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