OC4J - Memory Allocation
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How to allocate enough Java Memory in Oracle Containers for Java OC4J to run for instance Oracle BI Publisher.
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Steps
To allocate additional memory for OC4J:
- Stop OC4J, using the Stop OC4J command :
OracleBI_HOME/oc4j_bi/bin/oc4j -stop
- Navigate to OracleBI_HOME/oc4j_bi/bin.
- Edit the oc4j.cmd file to start OC4J with more memory.
Allocate a minimum of 256 MB of memory by increasing the permanent generation memory to 128m in addition to the regular heap size.
- Find the following line:
set JVMARGS=-Djava.library.path=D:\OracleBI\server\Bin;D:\OracleBI\web\bin -DSAROOTDIR=D:\OracleBI
-DSADATADIR=D:\OracleBIData %OC4J_JVM_ARGS%
- In this line, between the variables -DSADATADIR=D:\OracleBIData and %OC4J_JVM_ARGS%, add the following text:
-XX:MaxPermSize=128m -Xmx512m
- Save oc4j.cmd.
Possible other configurations
-XX:MaxPermSize=128m -Xmx512m
-XX:MaxPermSize=256m -Xmx1024m
-XX:MaxPermSize=512m -Xmx2048m