Highest requests per second - what is considered top performance?

Maxim Dounin mdounin at mdounin.ru
Sun Oct 23 16:24:01 UTC 2011


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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