| From: | Alvaro Herrera <alvherre(at)atentus(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Jan Wieck <JanWieck(at)Yahoo(dot)com>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Manfred Koizar <mkoi-pg(at)aon(dot)at>, <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: Reduce heap tuple header size |
| Date: | 2002-06-22 01:38:12 |
| Message-ID: | Pine.LNX.4.44.0206212136020.11797-100000@cm-lcon-46-187.cm.vtr.net |
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| Lists: | pgsql-hackers pgsql-patches |
Tom Lane dijo:
> Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> > Here are some numbers:
>
> > Current CVS tip: tps 34.1, 38.7, 36.6
> > avg(tps) 36.4
>
> > With patch: tps 37.0, 41.1, 41.1
> > avg(tps) 39.7
>
> > So it saves less than 3% disk space at the cost of about 9% performance
> > loss.
>
> Uh ... isn't more TPS better?
Also, is that 3% in disk space savings the actual number, or just copied
from the "anawhat"?
--
Alvaro Herrera (<alvherre[a]atentus.com>)
Y dijo Dios: "Que haya Satanás, para que la gente no me culpe de todo a mí."
"Y que hayan abogados, para que la gente no culpe de todo a Satanás"
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