why perm generation is continuously increasing?
fancyerii at gmail.com
Thu Feb 16 04:53:59 PST 2012
I got it. we use String.intern for temporary variables.
I used jmap -permstat and found that.
btw jmap -permstat will cause jvm hang and should be carefully used.
it hangs for a few minutes!
On Thu, Feb 16, 2012 at 6:55 PM, Li Li <fancyerii at gmail.com> wrote:
> hi all,
> I found our application's perm generation size is continuously
> increasing and will reach 100%(we limit maxPermSize to 256MB) and perform a
> full gc(which will pause for 10s).after gc, perm size usage falls to about
> 50% and again increasing. what kind of objects will be allocated to perm
> generation? we don't use reflection in our application.
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