>>> >>>Well, as usual it depends. In my experience in well designed >>>OLTP system top event is db_file_sequential_read, some CPU. >>>Of course, SQL*Net message from client if you look at >>>statspack but surely we shouldn't ignore it in properly >>>scoped stats collection. what I was insinuating is that the perfect system would only ever wait for work from the clients, right ? :-) -- //www.freelists.org/webpage/oracle-l