Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)

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От Andres Freund
Тема Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
Дата
Msg-id 201002110327.35810.andres@anarazel.de
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Ответ на Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas <robertmhaas@gmail.com>)
Список pgsql-hackers
On Monday 08 February 2010 05:53:23 Robert Haas wrote:
> On Sun, Feb 7, 2010 at 10:09 PM, Alvaro Herrera
>
> <alvherre@commandprompt.com> wrote:
> > Andres Freund escribió:
> >> I personally think the fsync on the directory should be added to the
> >> stable branches - other opinions?
> >> If wanted I can prepare patches for that.
> >
> > Yeah, it seems there are two patches here -- one is the addition of
> > fsync_fname() and the other is the fsync_prepare stuff.
>
> Andres, you want to take a crack at splitting this up?
I hope I didnt duplicate Gregs work, but I didnt hear back from him, so...

Everything <8.1 is hopeless because cp is used there... I didnt see it worth
to replace that. The patch applies cleanly for 8.1 to 8.4 and survives the
regression tests

Given pg's heavy commit model I didnt see a point to split the patch for 9.0
as well...

Andres

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