Re: [GENERAL] Performance while loading data and indexing

Поиск
Список
Период
Сортировка
От Curt Sampson
Тема Re: [GENERAL] Performance while loading data and indexing
Дата
Msg-id Pine.NEB.4.44.0210070050500.515-100000@angelic.cynic.net
обсуждение исходный текст
Ответ на Re: [GENERAL] Performance while loading data and indexing  (Neil Conway <neilc@samurai.com>)
Список pgsql-hackers
On 26 Sep 2002, Neil Conway wrote:

> The fact that ext2 defaults to asynchronous mode and UFS (at least on
> the BSDs) defaults to synchronous mode seems like a total non-issue to
> me. Is there any more to the alleged difference in reliability?

It was sort of pointed out here, but perhaps not made completely
clear, that Berkley FFS defaults to synchronous meta-data updates,
but asynchronous data updates. You can also specify entirely
synchronous or entirely asynchronous updates. Linux ext2fs supports
only these last two modes, which is the problem.

cjs
--
Curt Sampson  <cjs@cynic.net>   +81 90 7737 2974   http://www.netbsd.org
    Don't you know, in this new Dark Age, we're all light.  --XTC


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Curt Sampson
Дата:
Сообщение: Re: Improving speed of copy
Следующее
От: Greg Copeland
Дата:
Сообщение: Re: Proposed LogWriter Scheme, WAS: Potential Large