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Re: a lot of problems with pg 7.4

From: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
To: Kari Lavikka <tuner(at)bdb(dot)fi>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: a lot of problems with pg 7.4
Date: 2003-12-16 16:37:28
Message-ID: Pine.LNX.4.33.0312160936280.7388-100000@css120.ihs.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Sat, 13 Dec 2003, Kari Lavikka wrote:

> 
> Hi!
> 
> We have been running a rather busy website using pg 7.3 as the database.
> Peak hitrate is something like 120 request / second without images and
> other static stuff. The site is a sort of image gallery for IRC users.
> 
> I evaluated pg 7.4 on our development server and it looked just fine
> but performance with production loads seems to be quite poor. Most of
> performance problems are caused by nonsensical query plans but there's
> also some strange slowness that I can't locate.

Have you analyzed your database since putting the new data into it?

Also, you might need to increase your statistics target before analyzing 
to get proper results as well.


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