[mapserver-users] FastCGI with multiple map files

[Paul Ramsey]

Andy's correct, the mapfile parse overhead is so small as to be almost
unmeasurable (I once tried). FCGI re-parses every time. It's a good
thing, makes working w/ FCGI transparent.

P.

On Fri, Jan 3, 2014 at 2:41 PM, Andy Colson <andy at squeakycode.net> wrote:
> On 1/3/2014 4:08 PM, Richard Greenwood wrote:
>>
>> I'm running FastCGI but I'm not sure that I have it configured
>> optimally, or even correctly. I have about a dozen map files. My
>> requests look like:
>>     mapserv.fcgi?map=abc.map&...
>>     mapserv.fcgi?map=def.map&...
>>     mapserv.fcgi?map=ghi.map&...
>> Does FCGI know to cache each map file so that I have a FCGI thread(s)
>> for each map file? Or do I just have FCGI threads that are re-reading
>> which ever map file is needed? Would I do better with a small script
>> wrapper around each mapserv+mapfile like:
>>     abc.fcgi
>>     def.fcgi
>>     ghi.fcgi
>> Sorry - I don't feel like I'm articulating my question very well.
>>
>> Rich
>>
>> --
>> Richard Greenwood
>> richard.greenwood at gmail.com <mailto:richard.greenwood at gmail.com>
>> www.greenwoodmap.com <http://www.greenwoodmap.com>
>>
>>
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>>
>
> I believe it'll reload the .map file every request.  But, your OS should
> cache it so you wont actually be hitting disk, and reading/parsing a .map
> file is very quick.  I think this is pretty far down on the list of things
> to optimize.  (Well, thats my opinion.  I've never actually timed it)
>
> -Andy
>
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