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Chuck,
On 11/24/2010 12:47 AM, Caldarale, Charles R wrote:
> I suspect the more sophisticated profilers like YourKit will [show
> PermGen details], but I'm not sure. Others on the list use YourKit
> regularly, so they might be able to be more definiti
On 24/11/2010 05:47, Caldarale, Charles R wrote:
>> From: xu cheng [mailto:xcheng@gmail.com]
>> Subject: Re: the memory puzzle me
>
>> by the way, do you know *any tool that can monitor the permanent
>> generation*, such what's now resident in the perm
>>
>> From: xu cheng [mailto:xcheng@gmail.com]
>>>> Subject: Re: the memory puzzle me
>>>>
>>>
>>> by the way, do you know *any tool that can monitor the permanent
>>>> generation*, such what's now resident in the p
r+VisualVM+with+Oracle+Application+Server
Blair
On Nov 23, 2010, at 9:54 PM, xu cheng wrote:
thanks!!! you really help me a lot!
someone knows how to figure out how much permanent gen my vm is using?
2010/11/24 Caldarale, Charles R
From: xu cheng [mailto:xcheng@gmail.com]
Subject: Re:
m]
>>
>> > Subject: Re: the memory puzzle me
>>
>> > by the way, do you know *any tool that can monitor the permanent
>> > generation*, such what's now resident in the perm gen?
>>
>> I presume you mean on Windows, since you already found one for
thanks!!! you really help me a lot!
someone knows how to figure out how much permanent gen my vm is using?
2010/11/24 Caldarale, Charles R
> > From: xu cheng [mailto:xcheng@gmail.com]
> > Subject: Re: the memory puzzle me
>
> > by the way, do you know *any tool
> From: xu cheng [mailto:xcheng@gmail.com]
> Subject: Re: the memory puzzle me
> by the way, do you know *any tool that can monitor the permanent
> generation*, such what's now resident in the perm gen?
I presume you mean on Windows, since you already found one for L
with this
I used some other profiler tools but they just show* how much* perm gen was
used, but not *what they are used for*
thanks
best regards
2010/11/24 Caldarale, Charles R
> > From: xu cheng [mailto:xcheng@gmail.com]
> > Subject: Re: the memory puzzle me
>
>
> From: xu cheng [mailto:xcheng@gmail.com]
> Subject: Re: the memory puzzle me
> the permanent generation is also collected by major gc?
Correct.
> what will trigger a gc in the permanent generation
When either the tenured or the permanent generation is full, someone call
thanks,
by the way, the permanent generation is also collected by major gc?
and what will trigger a gc in the permanent generation
best regards
2010/11/24 Caldarale, Charles R
> > From: xu cheng [mailto:xcheng@gmail.com]
> > Subject: the memory puzzle me
>
> > I ob
> From: xu cheng [mailto:xcheng@gmail.com]
> Subject: the memory puzzle me
> I oberved the heap of the jvm which runs tomcat without deploying
> any webapp. and it's some kind like this /|/|/|/|/|/|
That's called a sawtooth pattern, and is what you should be se
hi;
I oberved the heap of the jvm which runs tomcat without deploying any
webapp.
and it's some kind like this /|/|/|/|/|/| when the used heap goes up,
there is a memory
use of the heap, maybe allocation for the new class instances, and when it
goes down ,
there is a gc, am I right?
but I didn
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