From: | Brendan Duddridge <brendan(at)clickspace(dot)com> |
---|---|
To: | Luke Lonergan <llonergan(at)greenplum(dot)com> |
Cc: | "Gábriel Ákos" <akos(dot)gabriel(at)i-logic(dot)hu>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: count(*) performance |
Date: | 2006-03-27 19:20:54 |
Message-ID: | CE860B90-6CAB-441A-870B-397696599418@clickspace.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-performance |
Does that mean that even though autovacuum is turned on, you still
should do a regular vacuum analyze periodically?
Thanks,
____________________________________________________________________
Brendan Duddridge | CTO | 403-277-5591 x24 | brendan(at)clickspace(dot)com
ClickSpace Interactive Inc.
Suite L100, 239 - 10th Ave. SE
Calgary, AB T2G 0V9
On Mar 27, 2006, at 11:14 AM, Luke Lonergan wrote:
> Gabriel,
>
> On 3/27/06 10:05 AM, "Gábriel Ákos" <akos(dot)gabriel(at)i-logic(dot)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.
>
> - Luke
>
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>
From | Date | Subject | |
---|---|---|---|
Next Message | Matthew T. O'Connor | 2006-03-27 19:21:38 | Re: count(*) performance |
Previous Message | george young | 2006-03-27 18:47:33 | simple join uses indexes, very slow |