Re: Multiple disks: RAID 5 or PG Cluster

Поиск
Список
Период
Сортировка
От PFC
Тема Re: Multiple disks: RAID 5 or PG Cluster
Дата
Msg-id op.sskpeoazth1vuj@localhost
обсуждение исходный текст
Ответ на Re: Multiple disks: RAID 5 or PG Cluster  (mudfoot@rawbw.com)
Ответы Re: Multiple disks: RAID 5 or PG Cluster  (Jacques Caron <jc@directinfos.com>)
Список pgsql-performance

> I do not know what clustering would do for you.  But striping will
> provide a
> high level of assurance that each of your hard drives will process
> equivalent
> amounts of IO operations.

    I don't know what I'm talking about, but wouldn't mirorring be faster
than striping for random reads like you often get on a database ? (ie. the
reads can be dispatched to any disk) ? (or course, not for writes, but if
you won't use fsync, random writes should be reduced no ?)



В списке pgsql-performance по дате отправления:

Предыдущее
От: Yves Vindevogel
Дата:
Сообщение: Fwd: Multiple disks: RAID 5 or PG Cluster
Следующее
От: Jacques Caron
Дата:
Сообщение: Re: Multiple disks: RAID 5 or PG Cluster