> > I thought this would be of interest. > > Total data from remote servers (bytes): 2.13G > Total data to remote servers (bytes): 13.50M > Total data from clients (bytes): 174.87M > Total data to clients (bytes): -248077248b > Total cache cache efficiency: 3028.24% The counter has (probably) looped over. This is something I hadn't considered, but in hind-sight is obvious - int's being only 32bit on most systems. This will have to be re-written in using 64 bit int's / floats (latter if the former is not available). Cheers, Julian.