Re: sync vs. fsync question

Поиск
Список
Период
Сортировка
От Jan Wieck
Тема Re: sync vs. fsync question
Дата
Msg-id 40BDE590.904@Yahoo.com
обсуждение исходный текст
Ответ на sync vs. fsync question  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Список pgsql-hackers
On 5/31/2004 9:45 PM, Christopher Kings-Lynne wrote:

> Hi,
> 
> I had this question posed to me on IRC and I didn't know the answer.
> 
> If all that is needed to ensure integrity is that the WAL is fsynced, 
> what is wrong with just going:
> 
> wal_sync_method = fsync
> fsync = false

The assumption that WAL is all that is needed to ensure integrity is 
wrong in the first place, unless you are going to keep the WAL forever 
and never recycle the segments. What you're effectively asking for is 
not to checkpoint any more.


Jan

-- 
#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me.                                  #
#================================================== JanWieck@Yahoo.com #



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Christopher Kings-Lynne
Дата:
Сообщение: Re: ACLs versus ALTER OWNER
Следующее
От: Tom Lane
Дата:
Сообщение: Re: ACLs versus ALTER OWNER