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

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От Robert Haas
Тема Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
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Msg-id 603c8f071002120749o6a2e9e54h5cf21dc91d1790b9@mail.gmail.com
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Ответ на Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund <andres@anarazel.de>)
Ответы Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark <gsstark@mit.edu>)
Список pgsql-hackers
On Wed, Feb 10, 2010 at 9:27 PM, Andres Freund <andres@anarazel.de> wrote:
> 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...

I'd probably argue for committing this patch to both HEAD and the
back-branches, and doing a second commit with the remaining stuff for
HEAD only, but I don't care very much.

Greg Stark, have you managed to get your access issues sorted out?  If
you like, I can do the actual commit on this one.

...Robert


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