Re: Recomended FS
От | Joshua D. Drake |
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Тема | Re: Recomended FS |
Дата | |
Msg-id | 3F956F33.8050307@commandprompt.com обсуждение исходный текст |
Ответ на | Re: Recomended FS (Mark Kirkwood <markir@paradise.net.nz>) |
Ответы |
Re: Recomended FS
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Список | pgsql-general |
Hello, Actually if you were to get off that Promise controller and on to a 3Ware or other "real" hardware RAID... you would probably see even better performance. Sincerely, Joshua Drake Mark Kirkwood wrote: > Some sort of ATA Raid is probably worth considering - > > e.g. I am experimenting with a system using 2 ATA-66 Seagates + 1 > Promise TX2000 > > The disks themselves give fairly poor performance when attached to the > std IDE channels : > > sequential write 15Mb/s > sequential read 20Mb/s > > But attached to the Promise card using RAID 0 do considerably better: > > sequential write 52Mb/s > sequential read 52MB/s > > Now you would probably not use RAID 0 for a "real" system (unless you > had good backups), but the difference is interesting > > Note that even including the card, this is a very cheap setup. > > (I have not gotten around to testing random read and writes, but if > anybody is interested I can test this and supply figures) > > regards > > Mark > > > Steve Crawford wrote: > >> >> >> Talk about timing...this article posted today seems quite apropos >> (spoiler: SCSI beats IDE): >> >> http://hardware.devchannel.org/hardwarechannel/03/10/20/1953249.shtml?tid=20&tid=38&tid=49 >> >> >> >> >> > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faqs/FAQ.html -- Command Prompt, Inc., home of Mammoth PostgreSQL - S/ODBC and S/JDBC Postgresql support, programming shared hosting and dedicated hosting. +1-503-222-2783 - jd@commandprompt.com - http://www.commandprompt.com Editor-N-Chief - PostgreSQl.Org - http://www.postgresql.org
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