[jboss-user] [Performance Tuning] - Will loading the same JAR from several EARs increase PermGen

[loopingrage]

I have three EARs deployed under JBoss each of which have a copy of a set of JARs. I'd like to keep these JARs at the EAR level (instead of server/lib) for reasons not worth mentioning here.

My question is: does having copies of these JARs in each EAR increase the amount of PermGen space required by the JVM?

Sample deployment structure:

foo.ear
foo.ear/lib1.jar
foo.ear/lib2.jar
foo.ear/lib3.jar
foo.ear/foo.war
foo.ear/foo.ear

bar.ear
bar.ear/lib1.jar
bar.ear/lib2.jar
bar.ear/lib3.jar
bar.ear/bar.war

blah.ear
blah.ear/lib1.jar
blah.ear/lib2.jar
blah.ear/lib3.jar
blah.ear/blah.war


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