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Re: Query only slow on first run
- From: "Steinar H. Gunderson" <sgunderson(at)bigfoot(dot)com>
- To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: cluster <skrald(at)amossen(dot)dk>, pgsql-performance(at)postgresql(dot)org
- Subject: Re: Query only slow on first run
- Date: Wed, 28 Nov 2007 01:28:18 +0100
On Tue, Nov 27, 2007 at 07:25:54PM -0500, Tom Lane wrote: >> You could make an index on (question_id,status) (or a partial index on >> question id, with status=1 as the filter), but I'm not sure how much it would >> help you unless the questions table is extremely big. It doesn't appear to >> be; in fact, it appears to be all in RAM, so that's not your bottleneck. > Wouldn't help, because the accesses to "questions" are not the problem. Yes, that was my point too. :-) /* Steinar */ -- Homepage: http://www.sesse.net/
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- Query only slow on first run
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- Re: Query only slow on first run
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- Re: Query only slow on first run
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- Re: Query only slow on first run
- From: Steinar H. Gunderson
- Re: Query only slow on first run
- From: Tom Lane
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