John,

Generally I would assume mod_wsgi > mod_python > cgi, but I've not benchmarked.

If it is of interest to you, it would be great to see your comparisons.

Keep in mind if you are rendering data on the fly (rather than serving cached tiles) speed differences between server implementations may not be noticeable.

However, given the large size of the OSM stylesheet, which you are presumably using, a server implementation that loads the map xml once will be significantly faster than loading the xml each request, so cgi will be the slowest.


Dane

On Nov 8, 2009, at 2:23 PM, John Mitchell wrote:

Hi,

I know that I have already asked the below question.

I figured that I would ask one more time in case someone has an opinion

http://code.google.com/p/mapnik-utils/wiki/WmsInstallGuide

From the above link it gives you 4 choices

Decide whether to run as wsgi,mod_python,cgi,fastcgi (the server has wrappers for each)
Which one is the fastest in displaying the tiles.

Thanks,

John
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