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From Jie Gao <J....@sydney.edu.au>
Subject Re: the MP gets good performance
Date Thu, 03 Jan 2013 23:16:08 GMT
I think we already know this "secret". :-)

Thanks for another case of affirmation of the greatness of mod_perl!

Thanks to current and past contributors and sponsors as well as Doug MacEachern who started
it all... :-)

Regards,


Jie

* Feng He <fenghe@nsbeta.info> wrote:

> Date: Thu, 3 Jan 2013 22:40:35 +0800
> From: Feng He <fenghe@nsbeta.info>
> To: modperl@perl.apache.org
> Subject: the MP gets good performance
> User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/17.0
>  Thunderbird/17.0
> 
> Hi,
> 
> I am running an application with MP2, it's running with two webservers
> (with DNS round-robin) and a DB server (mysql). The OS is ubuntu Linux,
> Apache's server version: Apache/2.2.14. Apache handles the requests
> directly, there is no proxy in front.
> 
> Last day one of the server got unique accessing IP 632331, another got
> unique IP 635232, so the application handles total IP 1267563 last day
> (and almost every day).
> 
> All the requests are dynamic, 60% is writing to DB, 40% is reading from
> DB. Eash webserver has about 500 long connections opened to mysql with
> Apache::DBI. Both webservers and DB server have light load. For example,
> the stat for one of the webservers:
> 
> 
> # pstree
> init─┬─apache2───518*[apache2]
> 
> 
> # uptime
>  22:32:58 up 69 days, 23:26,  2 users,  load average: 0.08, 0.08, 0.08
> 
> 
> # free -m
>              total       used       free     shared    buffers     cached
> Mem:         16073       7752       8321          0        268       5077
> -/+ buffers/cache:       2406      13666
> Swap:         3813          0       3813
> 
> 
> To post this I may want to say that MP just gets good performance. I
> once wrote the application with other language, not as good as this.
> 
> Thanks.

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