From: | Guido Barosio <gbarosio(at)gmail(dot)com> |
---|---|
To: | John Abel <jabel(at)plus(dot)net> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Speed Up clean_pending.pl? |
Date: | 2005-07-29 13:33:52 |
Message-ID: | f7f6b4c7050729063359ff2d31@mail.gmail.com |
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Thread: | |
Lists: | pgsql-admin |
sql `set enable_seqscan to off;` may help here?
Regards,
g
On 7/29/05, John Abel <jabel(at)plus(dot)net> wrote:
>
> Hi,
>
> The company I'm at is running dbmirror, and we've found a problem with
> clean_pending,pl, in that it takes an age to run. I've done some
> looking about, and came with up this:
>
> http://www.postgresql.org/docs/7.4/interactive/indexes.html
>
> After reading the comments on that page, I explain'd the query that
> clean_pending runs, and found that it is performing a sequential scan on
> each of the tables.
>
> Is there a way to make it use the indexes?
>
> Any help would be appreciated.
>
> Thanks
>
> John
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>
--
"Adopting the position that you are smarter than an automatic
optimization algorithm is generally a good way to achieve less
performance, not more" - Tom Lane.
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