Thanks, now that I have it working, what particular files does it make send
to send using AIO? Its interesting that in the example given here:
http://wiki.nginx.org/HttpCoreModule (see below) the location referes to the
"video" directory, i.e. implying that AIO should really be used for media
file delivery.
Would SWF files for example fall in that category?
location /video {
aio on;
directio 512;
output_buffers 1 128k;
}
What kind of test could be run to discern the advantage of using AIO on any
type of file?
Thanks
On Mon, Oct 24, 2011 at 9:54 AM, Sergey Budnevitch <sb@waeme.net> wrote:
>
> On 24.10.2011, at 17:07, iberkner@gmail.com wrote:
>
> > CentOS
>
> Run nginx under strace:
>
> strace -f -e trace=io_submit /usr/sbin/nginx
>
> You will see something like
>
> [pid 1993] io_submit(139867403759616, 1, {{0x19a7ab0, 0, 0, 0, 10}}) = 1
> [pid 1993] io_submit(139867403759616, 1, {{0x19a7ab0, 0, 0, 0, 10}}) = 1
> [pid 1993] io_submit(139867403759616, 1, {{0x19a7ab0, 0, 0, 0, 10}}) = 1
> [pid 1993] io_submit(139867403759616, 1, {{0x19a7ab0, 0, 0, 0, 10}}) = 1
> ...
>
> if aio is working.
>
> >
> > ------Original Message------
> > From: Sergey Budnevitch
> > Sender: nginx-bounces@nginx.org
> > To: nginx@nginx.org
> > ReplyTo: nginx@nginx.org
> > Subject: Re: Confirmation of AIO
> > Sent: Oct 24, 2011 8:30 AM
> >
> >
> > On 24.10.2011, at 1:48, Ilan Berkner wrote:
> >
> >> Hi All,
> >>
> >> I'm trying to understand the advantages of AIO and how using it with
> Nginx can improve performance.
> >>
> >> I've compiled Nginx from source with the AIO option.
> >>
> >> I've enabled AIO in my Nginx configuration.
> >>
> >> How can I confirm that its working? If the server is serving pages,
> does it mean that its using AIO?
> >
> > What OS are you using?
> > _______________________________________________
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> > nginx@nginx.org
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> >
> >
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>
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