How & Where to check JVM related configuration in Oracle Apps 11i?
Open CONTEXT file under $APPL_TOP/admin (xml file) which is of pattern $SID_$HOSTNAME.xml
There are two important lines in CONTEXT file which will help you in understanding JVM
. jvm_options oa_var=”s_jvm_options” osd=”Solaris” -verbose:gc -Xmx512M -Xms128M -XX:MaxPermSize=128M -XX:NewRatio=2 -XX:+PrintGCTimeStamps -XX:+UseTLAB /jvm_options
- Verbose:gc means JVM is configured to print output when gc(Garbage Collector) runs.
- Xmx is maximum memory allocated to JVM in above example its 512 MB.
- Xms is JVM will start with this much memory i.e. 128 MB.
Now Check another line in 11i Context file like
oacore_nprocs oa_var=”s_oacore_nprocs”2/oacore_nprocs
Which means that there are two JVM’s for OACore Group. Usually default its 1 JVM in my Instance I changed it to 2, to cater huge Self Service users in my case.
Open CONTEXT file under $APPL_TOP/admin (xml file) which is of pattern $SID_$HOSTNAME.xml
There are two important lines in CONTEXT file which will help you in understanding JVM
. jvm_options oa_var=”s_jvm_options” osd=”Solaris” -verbose:gc -Xmx512M -Xms128M -XX:MaxPermSize=128M -XX:NewRatio=2 -XX:+PrintGCTimeStamps -XX:+UseTLAB /jvm_options
- Verbose:gc means JVM is configured to print output when gc(Garbage Collector) runs.
- Xmx is maximum memory allocated to JVM in above example its 512 MB.
- Xms is JVM will start with this much memory i.e. 128 MB.
Now Check another line in 11i Context file like
oacore_nprocs oa_var=”s_oacore_nprocs”2/oacore_nprocs
Which means that there are two JVM’s for OACore Group. Usually default its 1 JVM in my Instance I changed it to 2, to cater huge Self Service users in my case.
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