[Mono-dev] FastCGI Performance

Marcelo Zabani mzabani at gmail.com
Mon Apr 7 14:20:05 UTC 2014

I have not compared the fastcgi implementation per se, because it is not
very easy to test only the underlying fastcgi implementations and I never
had the time for that.
Fos, however, is a highly asynchronous server implementation, and I've seen
it dealing with a lot of connections simultaneously. I haven't benchmarked
it properly and compared it to other servers yet, but I'll try to do that
in the next two weeks.
I run a website with Fos and I get 10-20ms average response time (measured
as Fos -> Nginx, that is, not counting the time it takes for the response
to reach the user) with static pages. In case you want to take a better
look at these numbers, take a look at http://beeder.com.br/_stats

Don't be scared by the large response times for some of the URLs, as those
are usually contacting Facebook through Fb's API.

On Mon, Apr 7, 2014 at 8:02 AM, Giuliano Barberi <gbarberi at aotaonline.com>wrote:

> Have you benchmarked it to see how it compares to the existing FastCGI
> implementation?
> Regards
> On Sun, Apr 6, 2014 at 11:03 PM, Marcelo Zabani <mzabani at gmail.com> wrote:
>>  In case you want to host an OWIN application with Mono and FastCgi, you
>> may wanna take a look at a project of mine, Fos:
>> https://github.com/mzabani/Fos
>> It is also available at NuGet.
>>  ------------------------------
>> From: Greg Najda <gregnajda at gmail.com>
>> Sent: 06/04/2014 22:43
>> To: Giuliano Barberi <gbarberi at aotaonline.com>
>> Cc: Mono Developer List <mono-devel-list at lists.ximian.com>
>> Subject: Re: [Mono-dev] FastCGI Performance
>> Someone looked into Mono FastCGI performance a couple months ago and made
>> a series of blog posts:
>> http://forcedtoadmin.blogspot.com/2013/11/servicestack-performance-in-mono-p1.html
>> http://forcedtoadmin.blogspot.com/2013/11/servicestack-performance-in-mono-p2.html
>> http://forcedtoadmin.blogspot.com/2013/12/servicestack-performance-in-mono-p3.html
>> He ended up writing a replacement for the Mono FastCGI server instead of
>> changing it because of architectural changes:
>> https://github.com/xplicit/HyperFastCgi
>> On Sun, Apr 6, 2014 at 7:43 PM, Giuliano Barberi <gbarberi at aotaonline.com
>> > wrote:
>>> After looking at some of the Mono web benchmarks (
>>> http://www.techempower.com/benchmarks/#section=data-r8&hw=i7&test=json&s=2&p=13ydj4-0 )
>>> I got very curious as to why FastCGI performance was so much lower than
>>> when using a C# libevent implementation.
>>> If you look at nancy-libevent2 vs nancy benchmarks, the only difference
>>> is a C# wrapper around libevent (
>>> https://github.com/kekekeks/evhttp-sharp ) vs Mono FastCGI. Since Mono
>>> uses epoll underneath which is what libevent uses afaik, I would not expect
>>> there to be such a gap in performance.
>>> I'm curious whether performance of FastCGI is being looked at or if this
>>> is expected. Mono when using FastCGI benchmarks almost at the bottom of the
>>> list when compared to many other technologies (
>>> http://www.techempower.com/benchmarks/#section=data-r8&hw=i7&test=json ).
>>> I've done a bit of analysis on where the bottleneck is and everything I've
>>> found is pointing to the FastCGI implementation.
>>> Regards
>>> --
>>> Giuliano Barberi
>>> _______________________________________________
>>> Mono-devel-list mailing list
>>> Mono-devel-list at lists.ximian.com
>>> http://lists.ximian.com/mailman/listinfo/mono-devel-list
> --
> Giuliano Barberi
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