Good suggestion there ... while there are no "silver bullets" most modern generic hardware can handle 10 connections a second easily. Better to have just a couple a second ... but ... Testing will probably show most systems can handle 100 connections a second but start to see implications ... hundreds ain't very good ... somewhere in that 10 to 100 ish range a second most people start thinking about connection pooling somewhere in the infrastructure. Your mileage may vary ... -------------------------------------------- On Wed, 7/2/14, Jeremiah Wilton <jcwilton93@xxxxxxxxxxx> wrote: Subject: RE: listener overloaded? To: "Jeff C" <backseatdba@xxxxxxxxx>, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx> Date: Wednesday, July 2, 2014, 8:01 PM Tail the listener log, and from another window do a 'lsnrctl status'. Then see how long it takes to show up in the listener log. Jeremiah -- //www.freelists.org/webpage/oracle-l