Re: Spinlocks, yet again: analysis and proposed patches

Поиск
Список
Период
Сортировка
От Douglas McNaught
Тема Re: Spinlocks, yet again: analysis and proposed patches
Дата
Msg-id m2wtll9bvq.fsf@Douglas-McNaughts-Powerbook.local
обсуждение исходный текст
Ответ на Re: Spinlocks, yet again: analysis and proposed patches  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Spinlocks, yet again: analysis and proposed patches  (Mark Wong <markw@osdl.org>)
Список pgsql-hackers
Josh Berkus <josh@agliodbs.com> writes:

> Tom, All:
>
>> It seems to me what you've found is an outright bug in the linux scheduler.
>> Perhaps posting it to linux-kernel would be worthwhile.
>
> For people using this on Linux 2.6, which scheduler are you using?   Deadline 
> is the recommended one for databases, and does offer significant (+5-8%) 
> benefits in some heavy-contention environments, at least in OSDL tests.

I thought 'deadline' was an I/O scheduler, not a CPU scheduler?

-Doug


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Josh Berkus
Дата:
Сообщение: Re: Materialized Views in PostgreSQL
Следующее
От: Douglas McNaught
Дата:
Сообщение: Re: Spinlocks, yet again: analysis and proposed patches