Re: Reduce heap tuple header size - Mailing list pgsql-patches

From Alvaro Herrera
Subject Re: Reduce heap tuple header size
Date
Msg-id Pine.LNX.4.44.0206212136020.11797-100000@cm-lcon-46-187.cm.vtr.net
Whole thread Raw
In response to Re: Reduce heap tuple header size  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Reduce heap tuple header size  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-patches
Tom Lane dijo:

> Jan Wieck <JanWieck@Yahoo.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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