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List:       postgresql-general
Subject:    Re: [HACKERS] Posix AIO in new Red Hat Linux
From:       Greg Copeland <greg () CopelandConsulting ! Net>
Date:       2002-03-30 20:55:13
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Cool.  Thanks for the information.  The only other PAIO effort that I
knew of was the glibc user space effort...

Greg


On Sat, 2002-03-30 at 12:36, Neil Conway wrote:
> On Sat, Mar 30, 2002 at 09:59:11AM -0600, Greg Copeland wrote:
> > It doesn't really say, however, it makes me wonder if it's SGI's KAIO
> > (http://oss.sgi.com/projects/kaio/) effort which is reported to provide
> > up to 35% performance improvement for heavily I/O bound applications.
> 
> I don't think it is. I think the RH announcement refers to their intent
> to quickly stabilize some of the upcoming Linux 2.5 code and package it
> separately for "enterprise" customers. If that's correct, the Linux 2.5
> asynchronous I/O implementation will likely be Ben LaHaise's:
> http://www.kvack.org/~blah/aio/
> 
> I agree with Greg -- it looks like it could definately improve Pg's
> performance.
> 
> Cheers,
> 
> Neil
> 
> -- 
> Neil Conway <neilconway@rogers.com>
> PGP Key ID: DB3C29FC
> 
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