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 gen?
I presume you mean on Windows, since
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
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 definitive
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 seeing.
when the used heap
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 chuck.caldar...@unisys.com
From: xu cheng [mailto:xcheng@gmail.com]
Subject: the memory puzzle me
I
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 calls
System.gc
was confused 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 chuck.caldar...@unisys.com
From: xu cheng [mailto:xcheng@gmail.com]
Subject: Re: the memory
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 Linux. I
suspect
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 chuck.caldar...@unisys.com
From: xu cheng [mailto:xcheng@gmail.com]
Subject: Re: the memory puzzle me
by the way, do you know *any tool
@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 Linux. I
suspect the more sophisticated profilers like
]
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
Linux. I
suspect the more sophisticated profilers like YourKit will do
]
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 Linux. I
suspect the more sophisticated profilers like YourKit will do
11 matches
Mail list logo
