Re: [GENERAL] 6.5 connection time: too slow (?)

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Robert <robert(at)robert(dot)cz>
Cc: pgsql-general(at)postgreSQL(dot)org
Subject: Re: [GENERAL] 6.5 connection time: too slow (?)
Date: 1999-11-03 22:59:34
Message-ID: 199911032259.RAA11625@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

[Charset iso-8859-2 unsupported, filtering to ASCII...]
> Hi,
>
> I'm finally about to upgrade our prehistoric 6.1 to 6.5.2 and took few
> hours to do some highly unscientific (Perl/DBI) benchmarking just to see
> the difference... I was quite shocked when I found out that PG6.1 (on
> Linux 2.0.34, loaded K6/166 server) was consistently three times faster
> when connecting to the database then latest PG6.5.2 (on Linux 2.2.12,
> unloaded P2/233, faster disk). The difference was 0.102-0.108 sec vs.
> 0.293-0.296 sec. For web usage, this is quite slow, even if actual
> execute is usually fast enough (0.05-0.15 sec). Does anybody have any
> idea what's going on? Specifically, is it possible RedHat 6.1 RPM I'm
> using was compiled with some stupid switch that slows things down? Any
> advices how to speed things up?
>
> P.S. Apache::DBI is not of much use here, because I'm using 6+ different
> databases, so it would keep six backends per http child... Thanks for
> your comments.

Very strange. Same postmaster flags? I can't imagine what it would be?
We really have been improving performance, including startup
performance.

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Collin W. Hitchcock 1999-11-04 04:13:42 Re: Installing Postgresql
Previous Message Aaron J. Seigo 1999-11-03 22:58:40 Re: [GENERAL] Functions