From: | Edmund Dengler <edmundd(at)eSentire(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Slow deletes |
Date: | 2002-08-13 03:04:09 |
Message-ID: | Pine.BSO.4.44.0208122302320.20347-100000@cyclops4.esentire.com |
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Lists: | pgsql-general |
Anyway to conveniently dump the triggers (3 are constraint check, my own
personal one is suppose to be on inserts only)?
Regards,
Ed
P.S. Trying to delete a couple of thousand rows, and while the explain
is indeed faster (and I believe it is getting to the actual delete part
faster), it is still taking quite a long time.
On Mon, 12 Aug 2002, Tom Lane wrote:
> Edmund Dengler <edmundd(at)eSentire(dot)com> writes:
> > Thanks! That seems to have been the issue!
> > => explain delete from syslog_event where event_id = 1000::int8;
> > NOTICE: QUERY PLAN:
>
> > Index Scan using syslog_event_event_id_idx on syslog_event
> > (cost=0.00..3.02 rows=1 width=6)
>
> That's better.
>
> > Deleting a single row now takes only about 5 seconds.
>
> Hm, still seems like a huge amount of time to delete a single row.
> I suspect query-optimization problems inside your triggers.
> Can't say much without more details though.
>
> regards, tom lane
>
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