Re: fallocate / posix_fallocate for new WAL file creation (etc...)

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От Greg Smith
Тема Re: fallocate / posix_fallocate for new WAL file creation (etc...)
Дата
Msg-id 51D67468.1080705@2ndQuadrant.com
обсуждение исходный текст
Ответ на Re: fallocate / posix_fallocate for new WAL file creation (etc...)  (Jeff Davis <pgsql@j-davis.com>)
Ответы Re: fallocate / posix_fallocate for new WAL file creation (etc...)  (Jon Nelson <jnelson+pgsql@jamponi.net>)
Список pgsql-hackers
On 7/5/13 2:50 AM, Jeff Davis wrote:
> So, my simple conclusion is that glibc emulation should be about the
> same as what we're doing now, so there's no reason to avoid it. That
> means, if posix_fallocate() is present, we should use it, because it's
> either the same (if emulated in glibc) or significantly faster (if
> implemented in the kernel).

That's what I'm seeing everywhere too.  I'm happy that we've spent 
enough time chasing after potential issues without finding anything now.  Pull out the GUC that was added for default
andthis is ready to commit.
 

-- 
Greg Smith   2ndQuadrant US    greg@2ndQuadrant.com   Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com



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