On 02/21/2006 10:12:56 PM, Michael Ray wrote: > What is the reasoning behind the new notifications in 10g that require > setting this undocumented parameter to keep from filling up the alert > log? > Memory Notification: Library Cache Object loaded into SGA > Heap size 2251K exceeds notification threshold (2048K) In oracle 10.2 there is a new messages mechanism and a new memory manager. This parameter is here to warn you about the possible 403x error coming your way. It is all explained in detail in the metalink note 330239.1 -- Mladen Gogala http://www.mgogala.com -- //www.freelists.org/webpage/oracle-l