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Evaluation
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A new experimental JVM has been implemented for testing by customer;
once we are satisfied that there are no hidden land-mines
(based both on customer input and experience, as well as internal
review and analysis by team members) this RFE will be brought
before the CCC for fast-track approval.
Posted Date : 2007-03-30 17:46:28.0
A new JVM-specific flag:
-XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses.
When enabled with the concurrent collector, this flag directs the JVM
to not only execute a concurrent colection cycle (as does the flag
-XX:+ExplicitGCInvokesConcurrent), but in addition
also unload classes in that collection cycle. This would allow the
application to recycle space in the perm gen on an as-required,
schedulable, basis.
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-XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses:
If this flag is set then, in response to an explicit GC request,
e.g. System.gc(), the JVM will run a concurrent collection cycle in which
classes eligible for collection are unloaded. This flag implies
-XX:+ExplicitGCInvokesConcurrent and, like that flag, is effective only
when a concurrent collector is in use.
===============
Posted Date : 2007-10-08 17:01:21.0
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