[Zope] my Zope too slow behind Apache.

hello all, my zope(2.3.x) is too slow servinng behind apache, compared to default way (port 8080) or am i missing something? here's my virtual host apache httpd.conf (rh linux 7.1) <VirtualHost 192.168.0.252> ServerName new.fiducia-china.com ServerAdmin info@mydomain.com ProxyPass / http://localhost:8080/VirtualHostBase/http/mydomain.com:80/myfolder/VirtualH ostRoot/ ProxyPassReverse / http://localhost:8080/VirtualHostBase/http/mydomain.com:80/myfolder/VirtualH ostRoot/ </VirtualHost> ismet