Re: Hardware Recommendations
От | Steve Wolfe |
---|---|
Тема | Re: Hardware Recommendations |
Дата | |
Msg-id | 000c01c1155b$679e0120$50824e40@iboats.com обсуждение исходный текст |
Ответ на | Hardware Recommendations ("Gregory Wood" <gregw@com-stock.com>) |
Список | pgsql-general |
> I respectfully disagree with Steve's "disk speed isn't terribly > important" -- it can be (and is totally dependent on what you're doing) and > since you have the on-board U160 with all the dual Athlon boards I've seen, > you might as well take full advantage of it.. That and you know Seagate has > those new 15,000 RPM U160 drives out *evil grin*.. You can't take advantage of U160 without at *least* three disks. ; ) If you have enough RAM for the cache, and you're not using fsync(), then an insert/update doesn't actually hit the disk, it just returns. The kernel can update the disk later at it's leisure. I'm not sorry that I spent all of the money for the large array that I use, it provides redundancy that lets me sleep easier - but I can guarantee that I'm not using 1/100th of it's potential as far as write capabilities. steve
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