OC4J JVM Consumes High CPU When Running in Solaris 10
(Doc ID 431167.1)
Last updated on JUNE 06, 2023
Applies to:Oracle Containers for J2EE - Version 10.1.3.0.0 to 10.1.3.5.0 [Release AS10gR3]
Oracle Containers for J2EE - Version 10.1.2.0.0 to 10.1.2.3.0 [Release AS10gR2]
Oracle Solaris on SPARC (64-bit)
Sun Solaris SPARC (64-bit)
On Oracle Application Server installations based on SunOS 5.10 (Solaris 10), when the OC4J component is using JDK 1.4.2 (or JDK 1.5, noting its only certified with 10.1.3), sometimes the OC4J JVM process takes lot of CPU, causing long response times and impacting the system performance.
NOTE: This problem might not be exclusive of Oracle Application Server 10gR2 or 10gR3, indeed whatever component that runs in an Java VM might suffer of this (Oracle Secure Enterprise Search, EBS, or many others that run their components made in Java).
-- Steps To Reproduce:
The issue can be reproduced right after installation and after starting up the OC4J instances.
-- Business Impact:
The issue has the following business impact:
- OC4J responds very slow
- As CPU usage is high, the overall performance of the machine is affected
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