Re: Performance of ORDER BY

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От Steinar H. Gunderson
Тема Re: Performance of ORDER BY
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Msg-id 20061205181733.GA10309@uio.no
обсуждение исходный текст
Ответ на Re: Performance of ORDER BY  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Performance of ORDER BY
Re: Performance of ORDER BY
Список pgsql-performance
On Tue, Dec 05, 2006 at 01:02:06PM -0500, Tom Lane wrote:
> In 8.0 that might be counterproductively high --- we have seen cases
> where more sort_mem = slower with the older sorting code.  I concur
> with Luke's advice that you should update to 8.2 (not 8.1) to get the
> improved sorting code.

By the way, is the new sorting code any better for platforms that already
have a decent qsort() (like Linux)?

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