From: | Ron Arts <ron(dot)arts(at)neonova(dot)nl> |
---|---|
To: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: EXPLAIN output explanation requested |
Date: | 2008-06-03 11:10:10 |
Message-ID: | 48452692.504@neonova.nl |
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Lists: | pgsql-novice |
A. Kretschmer schreef:
> am Tue, dem 03.06.2008, um 12:35:34 +0200 mailte A. Kretschmer folgendes:
>> I guess, you have much insert/delete or update - operations on this
>> table and no recent vacuum.
>>
>> Try to run a 'vacuum full;' and re-run your query. And, run a 'explain
>> analyse <your query>' to see the estimated costs and the real costs.
>
> Btw, run 'select relpages, reltuples from pg_class where relname='phone';
> before and after the 'vacuum full' and show us the result.
>
>
> Andreas
Andreas,
thanks for answering. I'll run the vacuum full tonight, I don't
dare running it during the day, and I'll show you the query outputs as well.
Thanks,
Ron
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