[jboss-user] [Beginner's Corner] - Tweaking memory in JBOSS

[André Borgeld]

André Borgeld [https://community.jboss.org/people/aborgeld] created the discussion

"Tweaking memory in JBOSS"

To view the discussion, visit: https://community.jboss.org/message/727674#727674

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*Dear JBoss users,


*
*
I have a question. I'm using a planon server and the memory is increasing almost the max of the server, 2 gig.
A way is to put more memory in the server is one thing, but when i read the documentation i see the following article about "preventing memory for list"
*
  ++When the user tries to retrieve a huge list of records, the memory usagesometimes reaches so high that the application stops responding. You can prevent this by setting the JVM parameter in++  


+D:\Program Files\Planon\PlanonEE201012\Server\jboss-4.2.3.GA\tanuki\conf\jboss-wrapper-default.conf+
+ + 
+In the Java Additional Parameters section, add the JVM parameter as+
+"-DMaximumMemoryUsageLimitForLists= <number>"+
+


  stands for a numeric value, for example, 90%. When the
memory usage reaches 90%, the system takes prevention measures.

+
++++If the memory utilization is equal to or greater than the set value, it
checks if the 

is set. If theGC parameter is not set, an error message is displayed.



++ 
*When i see this file i don't see these settings at al in the config file. I only see:*
+# Java Classpath (include wrapper.jar)  Add class path elements as+
+#  needed starting from 1+
+wrapper.java.classpath.1=../lib/wrapper.jar+

*Can i just place the GC param line and the -D MaximumMem line in the file if i want to tune the memory?

Thanks for your answer.

Kind regards,

André*
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