| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL HACKERS <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Access statistics |
| Date: | 2001-06-01 16:20:36 |
| Message-ID: | 200106011620.f51GKas24816@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
> Tom Lane wrote:
> > Jan Wieck <JanWieck(at)Yahoo(dot)com> writes:
> > > So outing myself not beeing a *real programmer*, this is what
> > > I have so far:
> >
> > Hmm ... what is the performance of all this like? Seems like a lot
> > of overhead. Can it be turned off?
>
> Current performance loss is about 2-4% wallclock measured. I
> expect it to become better when turning some of the functions
> into macros.
At 2-4%, I assume it is not enabled by default. I can see the query
string part being enabled by default though.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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