Re: Anything to be gained from a 'Postgres Filesystem'?
От | Steinar H. Gunderson |
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Тема | Re: Anything to be gained from a 'Postgres Filesystem'? |
Дата | |
Msg-id | 20041021134506.GA1667@uio.no обсуждение исходный текст |
Ответ на | Re: Anything to be gained from a 'Postgres Filesystem'? ("Leeuw van der, Tim" <tim.leeuwvander@nl.unisys.com>) |
Ответы |
Re: Anything to be gained from a 'Postgres Filesystem'?
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Список | pgsql-performance |
On Thu, Oct 21, 2004 at 12:44:10PM +0200, Leeuw van der, Tim wrote: > Hacking PG internally to handle raw devices will meet with strong > resistance from large portions of the development team. I don't expect > (m)any core devs of PG will be excited about rewriting the entire I/O > architecture of PG and duplicating large amounts of OS type of code inside > the application, just to try to attain an unknown performance benefit. Well, at least I see people claiming >30% difference between different file systems, but no, I'm not shouting "bah, you'd better do this or I'll warez Oracle" :-) I have no idea how much you can improve over the "best" filesystems out there, but having two layers of journalling (both WAL _and_ FS journalling) on top of each other don't make all that much sense to me. :-) /* Steinar */ -- Homepage: http://www.sesse.net/
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