You should ask this on the Mapserver/Postgis lists since it is not 
related to p.mapper. pmapper just uses standard Mapscript functions to 
produce the map ($map->draw()), nothing special. So the problem lies 
somewhere in your Postgis-Mapserver connection. I never realized 
problems like this. More the opposite, that Postgis layers seem to work 
better with higher concurrent user access that do the shapefiles.

Armin

Pedro Zenon wrote:
> When we publish the map from postgis to pmapper the apache service spikes
> the cpu use to 100%, but when we publish the same map using shape files
> pmapper do not seems to affect the cpu cycles.
> How can we fix this?
> 
> The versions of the packages that a i have;
> 
> Ubuntu 6.06
> apache-2.2.3-3.2build
> cgi-mapserver  4.10.0-6ubuntu
> postgis        1.1.6-2
> php5-mapscript 4.10.0-6ubuntu
> 
> All of this packages from the repository
> 
> 
> Thanks in advance...
> 
> Pedro
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