What is "exceeds notification threshold"?

From: Peter Teoh <htmldeveloper_at_gmail.com>
Date: Thu, 31 Jan 2008 00:34:02 -0800 (PST)
Message-ID: <6dbab168-3b9d-4bd9-8d51-f5808847a85e@q21g2000hsa.googlegroups.com>

My alert.log showed the following:

Completed: ALTER DATABASE OPEN
Thu Jan 31 13:57:36 2008
Shutting down archive processes
Thu Jan 31 13:57:41 2008
ARCH shutting down
ARC2: Archival stopped
Thu Jan 31 16:35:18 2008
Memory Notification: Library Cache Object loaded into SGA Heap size 2290K exceeds notification threshold (2048K) KGL object name :XDB.XDbD/PLZ01TcHgNAgAIIegtw== Thu Jan 31 16:35:19 2008
Memory Notification: Library Cache Object loaded into SGA Heap size 2172K exceeds notification threshold (2048K) Details in trace file /u01/app/oracle/admin/orcl/udump/ orcl_ora_11288.trc
KGL object name :XDB.XD+s5hmkr05krgMFeMBRYQnQ==

What is happening? Received on Thu Jan 31 2008 - 02:34:02 CST

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