May 28, 2009 9:09 AM
To: Tomcat Users List
Subject: RE: MaxPermSize, Tomcat startup trouble
> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
> Subject: RE: MaxPermSize, Tomcat startup trouble
>
> I believe there are some java options that control how the memory is
>
To: Tomcat Users List
Subject: RE: MaxPermSize, Tomcat startup trouble
> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
> Subject: RE: MaxPermSize, Tomcat startup trouble
>
> I believe there are some java options that control how the memory is
> divided between the differ
> From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
> Subject: RE: MaxPermSize, Tomcat startup trouble
>
> I believe there are some java options that control how the memory is
> divided between the different generations.
Not for PermGen - its size is controlled explic
> Any ideas how we can get a much larger PermSpace going?
I believe there are some java options that control how the memory is
divided between the different generations.
I seem to remember a ratio option that you could look into. I had to do
this for one implementation.
Check the java documentati
I think the last one instantiated).
Jeff
-Original Message-
From: Peter Crowther [mailto:peter.crowt...@melandra.com]
Sent: Thursday, May 28, 2009 4:03 AM
To: 'Tomcat Users List'
Subject: RE: MaxPermSize, Tomcat startup trouble
By the way, there's one other thing you *could* tr
> From: Henjo [mailto:henj...@gmail.com]
> Thank you both for replying. The architecture is indeed x86
> (Windows 2003
> server) and changing OS is not an option right now (going live soon).
The alternative view: You can go live with a known-unreliable system, or you
can change OS and go live wit
Caldarale, Charles R wrote:
>
>
> It's also irrelevant. The heap size (-Xmx + -XX:MaxPermSize) must fit in
> a contiguous area of virtual memory within the process. On a 32-bit
> Windows system, the process space is 2 GB, unfortunately very fragmented
> by DLLs that Windows insists on scatter
> From: Henjo [henj...@gmail.com]
> OS is Windows 2003.
x86 or x64?
> Available RAM is 3.5Gb on the machine, so that's not a problem.
I assume x86 from that sizing. As Chuck points out, you won't get the space
you want given Windows' appalling memory use.
> Any ideas how we can get a much lar
> From: Henjo [mailto:henj...@gmail.com]
> Subject: MaxPermSize, Tomcat startup trouble
>
> AFAIK the PermSpace holds all compiled java classes (and jsps) in RAM.
No; it holds the java.lang.Class instances that represent the loaded classes
(including JSPs). Size of a class file on disk has *not
