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From Rich Bowen <rbo...@rcbowen.com>
Subject Re: [users@httpd] Circumstances when mod_php would run faster than PHP-FPM?
Date Tue, 12 Jan 2016 17:20:32 GMT


On 01/11/2016 04:51 PM, Rose, John B wrote:
> After switching to mod_php from php-fpm we are told the site is working
> 4x faster using mod_php instead of php-fpm.
> 
> Any explanation?





The cynic in me things that this is a case of old dogs being unwilling
to learn new tricks.

Other things that come to mind is that fpm is grossly misconfigured -
perhaps they allocated insufficient memory to it? Or are running it on
another machine that has a faulty network connection between them? Or
possibly the server pool is smaller than Apache's server pool, causing
too much thrashing. (See the pm.min_spare_servers and so on)




> Thanks
> 
> From: William A Rowe Jr <wrowe@rowe-clan.net <mailto:wrowe@rowe-clan.net>>
> Reply-To: "users@httpd.apache.org <mailto:users@httpd.apache.org>"
> <users@httpd.apache.org <mailto:users@httpd.apache.org>>
> Date: Saturday, January 9, 2016 1:58 PM
> To: "users@httpd.apache.org <mailto:users@httpd.apache.org>"
> <users@httpd.apache.org <mailto:users@httpd.apache.org>>
> Subject: Re: [users@httpd] Circumstances when mod_php would run faster
> than PHP-FPM?
> 
> Mod_proxy_fcgi + php-fpm or mod_fcgid with php fcgi sapi should both be
> equivalent when tuned correctly.
> 
> Your only option for running php in process efficiently is to use the
> non-threadsafe php in the httpd preform module.  Your only option for
> running httpd efficiently is the event, or at least the worker mpm.
> 
> Since usually only a subset of the http requests are to a php resource,
> the answer is almost always 'no'.
> 
> On Jan 8, 2016 16:48, "Rose, John B" <jbrose@utk.edu
> <mailto:jbrose@utk.edu>> wrote:
> 
>     Apache 2.4
> 
>     On the same system, same web site, are there circumstances when
>     Apache using mod_php would run faster than Apache using PHP-FPM?
> 
>     Thanks
> 


-- 
Rich Bowen - rbowen@rcbowen.com - @rbowen
http://apachecon.com/ - @apachecon

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