OIM 11G R2 Server Performance Tuning

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In this post, I will list some of the server tuning parameter that can be used to tune oim managed server.

JVM Memory

For Hotspot JVM

Min Heap Size(Xms) = 4GB, Max Heap Size(Xmx) = 8GB, PermSize(-X:PermSize) = 500m and PermGen size (-XX:MaxPermSize) = 1 GB.

For JRockit JVM

Min Heap Size(Xms) = 4GB, Max Heap Size(Xmx) = 8GB, PermSize(-X:PermSize) = N/A and PermGen size (-XX:MaxPermSize) = N/A


To change the JVM memory setting:
1. If your OIM version is 11.1.2.1.0 or above, use DOMAIN_HOME/bin/setOIMDomainEnv.sh
(Unix) or setOIMDomainEnv.cmd (Windows). If not, continue to use
DOMAIN_HOME/bin/setDomainEnv.sh (Unix) or setDomainEnv.cmd (Windows) to
change the heap size settings.
2. Change the value of DEFAULT_MEM_ARGS and PORT_MEM_ARGS from the default value and
save.
3. Restart OIM Server

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