Re: Seqscan rather than Index

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От Steinar H. Gunderson
Тема Re: Seqscan rather than Index
Дата
Msg-id 20041217215627.GC8281@uio.no
обсуждение исходный текст
Ответ на Re: Seqscan rather than Index  (Greg Stark <gsstark@mit.edu>)
Ответы Re: Seqscan rather than Index  ("Steinar H. Gunderson" <sgunderson@bigfoot.com>)
Re: Seqscan rather than Index  (Bruno Wolff III <bruno@wolff.to>)
Список pgsql-performance
Дерево обсуждения 
On Fri, Dec 17, 2004 at 10:47:57AM -0500, Greg Stark wrote:
>> Must admit this puzzles me. Are you saying you can't saturate your disk I/O? Or
>> are you saying other DBMS store records in 0.5 to 0.2 times less space than PG?
> I don't know what he's talking about either. Perhaps he's thinking of people
> who haven't been running vacuum enough?

I'm a bit unsure -- should counting ~3 million rows (no OIDs, PG 7.4,
everything in cache, 32-byte rows) take ~3500ms on an Athlon 64 2800+?

/* Steinar */
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