On 10/23/06, joseph chen <[EMAIL PROTECTED]> wrote:
> HI,list;
>
> as the title mentioned, after some simple tests on apache-1.3.37
> apache-2.0.58, and 2.2.2/3, it's seems that httpd-1.3.* is the best version
> for cgi/fcgi service.
>
> My hardware platform is dell 1850 and 1750 and os is rhel-as4update4,
> and the env is purely cgi and fastcgi, no other type of files served. the
> test is very simple: we choose thirty servers rannning different version of
> apache on our produnction enviroment for many weeks, these servers have the
> same visit-load. the result described below:
>
> 1, On http-1.3, these system sometimes have a very high sysload, but
> these is little abnormal cgi processes(the PPID equal 1, and doing nothing)
> , even after "apachectl graceful" or "apachectl restart".
>
> 2, On http-2.0 and http-2.2 there always some abnormal cgi process(per
> 180 processes,there will be 1 cgi process at least), after graceful there
> comes some abnormal fastcgi process, they cost a lot of cpu time and cannot
> exit by themselves, we need to kill them by hand.
>
> 3, when the server running apache-2.* faced a very highload visitting ,
> the syslod will up to 300 in less the 30 seconds. after the highload
> visitting, the sysload will down to 3 in less then 60 seconds.
>
> my question is:
> Is this the flaw of the cgi/fcgi files or the defect of apache or the
> misconfigration of FCGI?
> any directions will be appreciated.
Forking cgis on a threaded server is complicated. So your problem is
not really 1.3 versus 2.x, but rather threaded versus non-threaded.
2.2 with prefork would probably behave at least as well as 1.3.
If you wish to work with a threaded mpm under 2.x, then the next thing
to look at is which cgi module you are using: mod_cgi or mod_cgid.
The latter is necessary on many OSes.
HI, Joshua:
currently we use mod_cgid with mpm_event
currently we use mod_cgid with mpm_event
Beyond that, I'm not really an expert in this area.
Joshua.
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I should have a test on prefork.
thanks for your directions to our newbies. :)
