Re: count(*) performance - Mailing list pgsql-performance

From Gábriel Ákos
Subject Re: count(*) performance
Date
Msg-id 44282D45.7020008@i-logic.hu
Whole thread Raw
In response to Re: count(*) performance  ("Luke Lonergan" <llonergan@greenplum.com>)
Responses Re: count(*) performance  ("Matthew T. O'Connor" <matthew@zeut.net>)
Re: count(*) performance  (Markus Schaber <schabi@logix-tt.com>)
List pgsql-performance
Luke Lonergan wrote:
> Gabriel,
>
> On 3/27/06 10:05 AM, "Gábriel Ákos" <akos.gabriel@i-logic.hu> wrote:
>
>> That gave me an idea. I thought that autovacuum is doing it right, but I
>> issued a vacuum full analyze verbose , and it worked all the day.
>> After that I've tweaked memory settings a bit too (more fsm_pages)
>
> Oops! I replied to your disk speed before I saw this.
>
> The only thing is - you probably don't want to do a "vacuum full", but
> rather a simple "vacuum" should be enough.

I thought that too. Autovacuum is running on our system but it didn't do
the trick. Anyway the issue is solved, thank you all for helping. :)


--
Üdvözlettel,
Gábriel Ákos
-=E-Mail :akos.gabriel@i-logic.hu|Web:  http://www.i-logic.hu=-
-=Tel/fax:+3612367353            |Mobil:+36209278894            =-

pgsql-performance by date:

Previous
From: "Luke Lonergan"
Date:
Subject: Re: count(*) performance
Next
From: george young
Date:
Subject: simple join uses indexes, very slow