Upgrading JDBC Driver Version from 9.x to 10.x may Impact JVM Performance due to Increased Garbage Collection Effort
(Doc ID 340755.1)
Last updated on OCTOBER 09, 2020
Applies to:Oracle Containers for J2EE - Version 220.127.116.11.0 to 10.1.2.3.0 [Release 9iAS to AS10gR2]
Information in this document applies to any platform.
You have a J2EE application running in Oracle Containers for J2EE and are using JDBC to access the database and have noticed
that the Java Virtual Machine (JVM) where your application is running has started to consume more memory and/or consuming
a higher proportion of CPU activity.
You may be accessing database connections by loading the JDBC driver or obtaining the connections via a DataSource object defined
by the OC4J data-sources.xml configuration file.
You have recently followed a supported approach to upgrade the JDBC driver from a 9i JDBC version (9.0.1.x, 9.2.0.x)
to a 10g JDBC version (10.0.1.x, 10.2.0.x) .
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