[TYPO3-dev] mod_fcgid

[Lars Haendler]

Hi,

Ernesto Baschny [cron IT] wrote:
> Dan Osipov wrote: on 22.10.2008 22:28:
>> Just read the following article:
>> http://typo3.org/development/articles/using-php-with-mod-fcgid/page/1/
>>
>> The first page claims enormous speed gains over mod_fastcgi. The last
>> page says the speed is slower than for mod_php. I'm confised - what's
>> the fastest, most efficient way to set up PHP processing in Apache?
> 
> Fast-CGI is a protocol for intermediating between apache's processes
> that call CGI scripts and a "long running" fast-CGI application, which
> doesn't need to be exit'ed and restarted on every hit. This works with
> PHP CGI binary that is compiled with the "fastCGI" option (meaning it
> supports the fast-cgi protocol) (which is the case of php5-cgi provided
> with debian, btw).
> 
> Now there is:
> 
> a) mod_fastcgi = original fast CGI module for apache, development seems
> to stand still [1]
> 
> b) mod_fcgid = chinese response to the "almost dead" project
> mod_fastcgi. It is an complete compatible alternative to mod_fastcgi,
> with much more "tuning" options and allegedly better process management
> strategy [2]
> 
> c) mod_fcgi = never heard of that...
> 
> d) mod_php = the "good old" PHP module for apache
> 
> Running PHP as a module is always the fastest (for "single hits"), but
> it has some drawbacks: Doesn't scale well (all apache process are loaded
> with the "huge php-monster module", even if the request just needs to
> fetch a static file, image, etc), and it runs in the Apache user-context
> ("www-data" or "www-run" or whatever), meaning multiple Vhosts all share
> the same common "user-space" and php.ini, meaning lack of security
> (critical for shared web-spaces, non-critical for single
> one-customer-only machines).
> 
> This is where fast-CGI comes in, in one of the above mentioned flavours
> (a or b). To increase security and flexibility in multi-hosted
> environment, as every Vhost can have a different php.ini, user running
> PHP, etc. And it still is amazingly fast, as the PHP processes will be
> long running in paralell to the Apache processes that are making use of
> them.
> 
> Some disttributions provide mod_fastcgi and mod_fcgid (e.g. debian
> etch), so you just need to choose which one you need (and most tutorials
> on the net will choose mod_fcgid).
> 
> Cheers,
> Ernesto
> 
> [1] http://www.fastcgi.com/
> [2] http://fastcgi.coremail.cn/

a middle way would be mod_itk. We step by step move our once su_php 
servers to mod_itk. It's secure and quite fast.

Cheers
Lars