tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mikolaj Rydzewski <>
Subject RE: Tomcat uses more and more PermGen space
Date Mon, 03 Jan 2011 14:23:25 GMT

 On Mon, 3 Jan 2011 08:13:20 -0600, "Caldarale, Charles R" 
 <> wrote:

> I suspect you're not using the word "instantly" appropriately here...

 You're right, should be constantly rather.

> PermGen can steadily increase if there's something in your
> environment that creates new, typically anonymous, classes as part of
> its operation.  PermGen will not decrease until a full GC occurs,
> which won't happen unless either the old gen or PermGen fills up (or 
> a
> full GC is forced).
> Simple increased usage of PermGen is *not* necessarily indicative of
> a memory leak, but not returning to a stable value *after* a full GC
> would be.

 I thought, that PermGen data cannot be garbage collected...

 Mikolaj Rydzewski <>

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message