RE: Re: Re: Fast Inserts and Hardware Questions
От | Willis, Ian (Ento, Canberra) |
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Тема | RE: Re: Re: Fast Inserts and Hardware Questions |
Дата | |
Msg-id | D21A20CD84607E409F314E31F0F68D8A0E6381@cricket-be.ento.csiro.au. обсуждение исходный текст |
Ответ на | Fast Inserts and Hardware Questions (Orion Henry <orion@trustcommerce.com>) |
Список | pgsql-general |
On linux the software raid will use the MMX instructions, can't these be done in parrell to most other operations? Memory bandwidth may be the real killer -- Ian Willis Systems Administrator Division of Entomology CSIRO GPO Box 1700 Canberra ACT 2601 ph 02 6246 4391 fax 02 6246 4000 -----Original Message----- From: Steve Wolfe [mailto:steve@iboats.com] Sent: Saturday, 17 March 2001 10:48 AM To: pgsql-general@postgresql.org Subject: Re: [GENERAL] Re: Re: Fast Inserts and Hardware Questions > It's not surprising to see software raid outperforming hardware raid (both > of modern vintage). That's provided, of course, that you have a good amount of free CPU cycles. On machines that are otherwise heavily CPU-loaded, software raid has been (in my experience) horrible. steve ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://www.postgresql.org/search.mpl
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