Re: linux-aio usable?

Brian Jackson
2010-03-08T21:47:05Z

On Monday 08 March 2010 03:27:36 pm Nikola Ciprich wrote:
> > It's faster.
>
> Hi Avi,
> Could You give some rough estimate on how much faster?
> I'm stuck with glibc-2.5 now, but I'm always eager to improve performance,
> so I wonder if it would make sense to either port eventfd + aio stuff, or
> switch to glibc-2.8 for me...

I saw approx. 10% improvement in sequential i/o. Random i/o was only
marginally faster in our setup. We generally have problems with random i/o
here... Something to do with our setup.