74.65.58.194 - - [15/Mar/2010:00:35:29 -0400] "GET /purge/ HTTP/1.0" 404 1656 "-" "Wget/1.11.4 Red Hat modified" upstream_response_time - msec 1268627729.628 request_time 0.000 Expires: - Cache-Control: - upstream_cache_status -

Question: what am I supposed to see/get after a successful purge?

Thanks for all your help Piotr but I don't want to waste your time indefinitely.
All I need is to see the activity log for proxy_cache_purge, and we can go from there.

Thank you.