Currently we have an apache reverse proxy and tomcat in same machine.

I am interested to analyze the response time plotted by %D in tomcat.

1.I have understood that %D will include client network time and we have to use %F to get the accurate tomcat response time.

2.In my case apache forwards the request to tomcat using mod_proxy .So still my tomcat response time include client(user) network time or apache processing time.?