Re: Allowing WAL fsync to be done via O_SYNC

Поиск
Список
Период
Сортировка
От Alfred Perlstein
Тема Re: Allowing WAL fsync to be done via O_SYNC
Дата
Msg-id 20010315111724.Z29888@fw.wintelcom.net
обсуждение исходный текст
Ответ на Re: Allowing WAL fsync to be done via O_SYNC  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Allowing WAL fsync to be done via O_SYNC  (Peter Eisentraut <peter_e@gmx.net>)
Список pgsql-hackers
* Tom Lane <tgl@sss.pgh.pa.us> [010315 11:07] wrote:
> "Mikheev, Vadim" <vmikheev@SECTORBASE.COM> writes:
> > ... I would either
> > use fsync as default or don't deal with O_SYNC at all.
> > But if O_DSYNC is defined and O_DSYNC != O_SYNC then we should
> > use O_DSYNC by default.
> 
> Hm.  We could do that reasonably painlessly as a compile-time test in
> xlog.c, but I'm not clear on how it would play out as a GUC option.
> Peter, what do you think about configuration-dependent defaults for
> GUC variables?

Sorry, what's a GUC? :)

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Allowing WAL fsync to be done via O_SYNC
Следующее
От: Peter Eisentraut
Дата:
Сообщение: Re: Allowing WAL fsync to be done via O_SYNC