A better question might be “when to consider a connection pool”. That is a lot of process spin up. On Jul 2, 2014, at 1:18 PM, Jeff C <backseatdba@xxxxxxxxx> wrote: > How can I determine when my listener is overloaded/too busy? I am starting > to get intermittent tns ping alerts from EM, It is currently set to alert > over 1000ms. Usually we are around 20ms. I haven't checked with the network > guys yet. I also have on average 400-500 connections per minute. I am not > sure what is considered too much > > Jeff -- //www.freelists.org/webpage/oracle-l