Re: SSD performance

Поиск
Список
Период
Сортировка
От Florian Weimer
Тема Re: SSD performance
Дата
Msg-id 82fxja2iyl.fsf@mid.bfk.de
обсуждение исходный текст
Ответ на Re: SSD performance  (Craig Ringer <craig@postnewspapers.com.au>)
Список pgsql-performance
* Craig Ringer:

> I'd be much more confident with something like those devices than I
> would with an OS ramdisk plus startup/shutdown scripts to initialize it
> from a file and write it out to a file. Wouldn't it be a pain if the UPS
> didn't give the OS enough warning to write the RAM disk out before
> losing power...

The cache warm-up time can also be quite annoying.  Of course, with
flash-backed DRAM, this is a concern as long as you use the cheaper,
slower variants for the backing storage.

--
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

В списке pgsql-performance по дате отправления:

Предыдущее
От: Craig Ringer
Дата:
Сообщение: Re: SSD performance
Следующее
От: Merlin Moncure
Дата:
Сообщение: Re: postgresql 8.3 tps rate