>Simple question: does everything get recorded by the Process >Filedescriptor's Allocation menu, including no_cache items? I have .tar >files set to no_cache and they still register in this menu item. One >responder said that maybe the FD mechanism is used for all objects but I'd >like confirmation from peopel who don't quote an entire post and then add >one line - besides that seems very counter intuitive.
Have a detailed reading of : http://www.ecst.csuchico.edu/~beej/guide/net/html/theory.html So FD's are already involved in network when squid does network I/O. And that is unrelated to eventual caching of an object or not. M. >Second simple question: What are the meaning of the Nwrite and Nread columns >and the * next to some entries in the "Process Filedescriptor's Allocation >menu" - I looked in the source for cachemgr.cgi and comm_select and online >but found no good explanation. At first we thought it was bytes but the >ratio is actually about 1.6 actual bytes to every *Nwrite or *Nread unit. -- 'Time is a consequence of Matter thus General Relativity is a direct consequence of QM (M.E. Mar 2002)