Re: Delete slow... - Mailing list pgsql-admin

From Jim C. Nasby
Subject Re: Delete slow...
Date
Msg-id 20051129213903.GJ78939@pervasive.com
Whole thread Raw
In response to Re: Delete slow...  (Diego <diego@unimedijui.com.br>)
List pgsql-admin
Can you provide the output of EXPLAIN ANALYZE for one of these deletes?

On Tue, Nov 29, 2005 at 06:32:43PM -0300, Diego wrote:
> Thanks by answers...
>
> For each record deleted, my postgresql server spended 4 seconds...
> I know because i have logged each sql instruction, showing the time spended.
>
> My question is: is normal this time to a big table (400,000 records)
>
> Thanks!
> Diego Ziquinatti
> From Brazil (excuse me my english, rsrsrs)
>
> Mario Splivalo escreveu:
>
> >On Tue, 2005-11-29 at 18:13 -0300, Diego wrote:
> >
> >
> >>Hi,
> >>I have a table with 400,000 records, but in delete comand is very slow
> >>(4 seconds for operation)
> >>Why is very slow? There is some special configuration for this?
> >>
> >>Ps.: Version = Postgresql 7.4.6
> >>
> >>
> >
> >That smells like a bad design. What do you delete from a 400.000 records
> >table?
> >
> >I guess it's ok to be slow.
> >
> >    Mike
> >
> >
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>

--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

pgsql-admin by date:

Previous
From: "Andrea"
Date:
Subject: Fatal : IDENT authentication
Next
From: "Dan The Man"
Date:
Subject: invalid length of startup packet