Highest requests per second - what is considered top performance?

[Ilan Berkner]

Hi Maxim,

How do you suggest running "ab" in parallel?

Ultimately, my objective is to baseline the system so that as I start adding
our customizations to it I can measure the performance impact.

On Sun, Oct 23, 2011 at 12:24 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:

> Hello!
>
> On Sat, Oct 22, 2011 at 10:40:53PM -0400, iberkner wrote:
>
> > We've been running Nginx for sometime powering a fairly high traffic
> > website.  The single box, dual CPU (dual core) has been serving us well
> > but its time to upgrade.  I've got a new system configured, quad CPU
> > (quad core) = 16 cores (plenty of RAM) and CentOS.  My understanding is
> > that even though there are 16 cores, more than 5 Nginx instances will
> > not greatly improve performance.
> >
> > I decided to benchmark the system using a single Nginx instance and
> > default configuration with a static html file.  Using "ab" (locally)
> > with 50,000 connections and 1,000 concurrent ones I get around 10K
> > requests / second.
> >
> > What particular parameters should I look into adjusting to try to double
> > that number?  (Nginx and OS).
>
> Likely just doubling number of "ab" processes will do the trick
> (i.e. just run two "ab" in parallel), it looks like most obvious
> bottleneck in your test.
>
> Maxim Dounin
>
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