Re: SSD performance
От | david@lang.hm |
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Тема | Re: SSD performance |
Дата | |
Msg-id | alpine.DEB.1.10.0901250034080.16162@asgard.lang.hm обсуждение исходный текст |
Ответ на | Re: SSD performance (Greg Smith <gsmith@gregsmith.com>) |
Ответы |
Re: SSD performance
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Список | pgsql-performance |
On Sun, 25 Jan 2009, Greg Smith wrote: > On Fri, 23 Jan 2009, david@lang.hm wrote: > >> take a look at this ram based drive, specificly look at the numbers here >> http://techreport.com/articles.x/16255/9 >> they are about as much above the X25-e as the X25-e is above normal drives. > > They're so close to having a killer product with that one. All they need to > do is make the backup to the CF card automatic once the battery backup power > drops low (but not so low there's not enough power to do said backup) and it > would actually be a reasonable solution. The whole battery-backed cache > approach is risky enough when the battery is expected to last a day or two; > with this product only giving 4 hours, it not hard to imagine situations > where you'd lose everything on there. they currently have it do a backup immediatly on power loss (which is a safe choice as the contents won't be changing without power), but it then powers off (which is not good for startup time afterwords) David Lang
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