Re: Seqscan rather than Index
| 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
Re: Seqscan rather than Index |
| Список | pgsql-performance |
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 */ -- Homepage: http://www.sesse.net/
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