| From: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
|---|---|
| To: | Lada 'Ray' Lostak <ray(at)unreal64(dot)net> |
| Cc: | pgsql-general(at)postgresql(dot)org, Sigi <sieglt(at)unreal64(dot)net> |
| Subject: | Re: Performace question |
| Date: | 2003-10-29 17:38:02 |
| Message-ID: | 20031029173802.GB13614@dcc.uchile.cl |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Wed, Oct 29, 2003 at 05:42:30PM +0100, Lada 'Ray' Lostak wrote:
> >Secondly, the queries that are varying so much, can you post the EXPLAIN
> >ANALYZE output so we can see what is actually going on.
> Thx, ANALYZE was good idea. Here it comes - right now, there is index on
> 'cluster' (BTREE) @ dtditems. But it was not used - I guess because reading
> & seraching will cost more than pure seq scan on 'few' items...
Hmm... have you tried running VACUUM periodically?
--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"En las profundidades de nuestro inconsciente hay una obsesiva necesidad
de un universo lógico y coherente. Pero el universo real se halla siempre
un paso más allá de la lógica" (Irulan)
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Paulo Jan | 2003-10-29 17:38:33 | Database design question: ugliness or referential integrity? |
| Previous Message | Åsmund Kveim Lie | 2003-10-29 17:22:22 | Cartesian product bug? |