Re: Huge Data sets, simple queries

Поиск
Список
Период
Сортировка
От Jim C. Nasby
Тема Re: Huge Data sets, simple queries
Дата
Msg-id 20060201024703.GT95850@pervasive.com
обсуждение исходный текст
Ответ на Re: Huge Data sets, simple queries  ("Luke Lonergan" <llonergan@greenplum.com>)
Список pgsql-performance
On Tue, Jan 31, 2006 at 03:19:38PM -0800, Luke Lonergan wrote:
> > Well, the only problem with that is if the machine crashes for any
> > reason you risk having the database corrupted (or at best losing some
> > committed transactions).
>
> So, do you routinely turn off Linux write caching?  If not, then there's no
> difference.

My thought was about fsync on WAL; if you're doing much writing then
a good raid write cache with BBU will improve performance.
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

В списке pgsql-performance по дате отправления:

Предыдущее
От: "Luke Lonergan"
Дата:
Сообщение: Re: Huge Data sets, simple queries
Следующее
От: James Russell
Дата:
Сообщение: Sequential scan being used despite indexes