Given this information at the top of the jmap -heap output:
Heap Configuration:
...
PermSize = 16777216 (16.0MB)
MaxPermSize = 67108864 (64.0MB)
Doesn't this mean that I can grow to 64M of PermGen space?
I do see the capacity of PermGen increase over time (with analogous
increases in the used field).
I'm wondering if I may be running into an OutOfMemoryError because I've run
out of available PermGen space, requiring changes to the heap generation
partitions and this re-partitioning requires so much time/effort that the
ergonomics factor is kicking in (as explained in section 5.2.2 of
http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html#0.0.0.0.Ergonomics%2
0in%20the%20throughput%20collector%7Coutline)?
However, the error message I am getting is: "java.lang.OutOfMemoryError:
Java heap space" rather than a "perm space" message.
Can this message be trusted? Or could this be a PermGen issue?
Thank you for your help,
Sharon French
-----Original Message-----
From: Nikola Milutinovic [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 08, 2007 5:05 PM
To: Tomcat Users List
Subject: Re: OutOfMemoryError (but not really out of memory?) cause tomcat
processes to hang
> > PS Perm Generation
> > capacity = 22675456 (21.625MB)
> > used = 22515408 (21.472366333007812MB)
> > free = 160048 (0.1526336669921875MB)
> > 99.2941795746026% used
Here is the failure. PermGen is getting exhausted.
Nix.
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