Re: Access statistics - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Access statistics
Date
Msg-id 200106011620.f51GKas24816@candle.pha.pa.us
Whole thread Raw
In response to Re: Access statistics  (Jan Wieck <JanWieck@Yahoo.com>)
List pgsql-hackers
> Tom Lane wrote:
> > Jan Wieck <JanWieck@Yahoo.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@candle.pha.pa.us               |  (610)
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