[jboss-user] [Performance Tuning] - jboss420GA, Out of memory, with -Xmx1300m -XX:PermSize=378M

javahollic do-not-reply at jboss.com
Thu Jan 10 12:27:40 EST 2008

I'm running one web-application inside jboss4.2.0GA, the application is Confluence.  This application reports a Total Memory size of 353MB, Jboss Admin Console contains the following:

  | JVM Environment
  | Free Memory: 91 MB
  | Max Memory: 1251 MB
  |   | Total Memory: 354 MB
  |   | #Threads: 85
  |   | JVM Version: 1.6.0_03-b05 (Sun Microsystems Inc.)
  |   | JVM Name: Java HotSpot(TM) Server VM
  |   | 
  | Have I missed something really basic in how memory gets allocated to web applications?  the 354 MB 'total' reported by Jboss is near enough what confluence is reporting.
  | Confluence is running out of memory, so it looks like a Jboss tweak is required somewhere, but I have no clue where.  Anyone have an idea?
  | Thanks,
  | Andy.

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