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Ozgur,
On 5/17/2010 5:28 AM, Ozgur Ozdemircili wrote:
> I have the default server.conf file with :
>
> maxThreads="250"
>connectionTimeout="2"
>redirectPort="8443" />
>
> I do not have any Executo
gmail.com]
> > Subject: Re: MaxPermSize / Threads
> >
> > You can see the server giving error every 3-4 minutes until it dies.
>
> By "it dies", do you mean you have to restart Tomcat?
>
> Turn on GC logging (-verbose:gc) and use a heap profiler to see if
> you
> From: Ozgur Ozdemircili [mailto:ozgur.ozdemirc...@gmail.com]
> Subject: Re: MaxPermSize / Threads
>
> You can see the server giving error every 3-4 minutes until it dies.
By "it dies", do you mean you have to restart Tomcat?
Turn on GC logging (-verbose:gc) and use a h
t
> >
> >
> > On Mon, May 17, 2010 at 3:17 PM, Caldarale, Charles R
> > mailto:chuck.caldar...@unisys.com>> wrote:
> >
> > > From: André Warnier [mailto:a...@ice-sa.com <mailto:a...@ice-sa.com>]
> > > Subject: Re: MaxPermSize / Threads
n, May 17, 2010 at 3:17 PM, Caldarale, Charles R
> mailto:chuck.caldar...@unisys.com>> wrote:
>
> > From: André Warnier [mailto:a...@ice-sa.com <mailto:a...@ice-sa.com>]
> > Subject: Re: MaxPermSize / Threads
> >
> > So, while I am not sayin
dar...@unisys.com> wrote:
> > From: André Warnier [mailto:a...@ice-sa.com]
> > Subject: Re: MaxPermSize / Threads
> >
> > So, while I am not saying that there are not circumstances where a 2 GB
> > Heap is justified, it is still a very high number, and maybe you should
> From: Martin Gainty [mailto:mgai...@hotmail.com]
> Subject: RE: MaxPermSize / Threads
>
> could you describe compressed object pointers and how implementation
> will reduce allocations from JVM heap?thx,
It doesn't reduce the number of allocations, but it does reduce
urni.
> From: chuck.caldar...@unisys.com
> To: users@tomcat.apache.org
> Date: Mon, 17 May 2010 08:17:06 -0500
> Subject: RE: MaxPermSize / Threads
>
> > From: André Warnier [mailto:a...@ice-sa.com]
> > Subject: Re: MaxPermSize / Threads
> >
> > So
Can you paste the original error from your catalina.out log?
Best
Toni
El 17/05/2010 10:25, Ozgur Ozdemircili escribió:
> Hi,
>
> I am having a lot of Java Heap OutOfMemory issues. The first change I did
> was to add more memory to JVM:
>
> export CATALINA_OPTS="-XX:MaxPermSize=512m -Xms512m -X
> From: André Warnier [mailto:a...@ice-sa.com]
> Subject: Re: MaxPermSize / Threads
>
> So, while I am not saying that there are not circumstances where a 2 GB
> Heap is justified, it is still a very high number, and maybe you should
> have a look at which application really n
Thank you.
Mercy
On 05/17/2010 08:58 PM, Pid wrote:
On 17/05/2010 13:18, Mercy wrote:
Hi,
Please take a look at this:
http://java.sun.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html
*maximum heap size:*
Smaller of 1/4th of the physical memory or 1GB. Before J2SE 5.0,
On 17 May 2010 13:18, Mercy wrote:
> Hi,
>
>Please take a look at this:
> http://java.sun.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html
>
> *maximum heap size:*
>
> Smaller of 1/4th of the physical memory or 1GB. Before J2SE 5.0, the
> default maximum heap size was 64MB. You ca
On 17/05/2010 13:18, Mercy wrote:
> Hi,
>
> Please take a look at this:
> http://java.sun.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html
>
> *maximum heap size:*
>
> Smaller of 1/4th of the physical memory or 1GB. Before J2SE 5.0, the
> default maximum heap size was 64MB. Y
Hi,
Please take a look at this:
http://java.sun.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html
*maximum heap size:*
Smaller of 1/4th of the physical memory or 1GB. Before J2SE 5.0, the
default maximum heap size was 64MB. You can override this default
using the |-Xmx| co
Ozgur Ozdemircili wrote:
Hi,
I have the default server.conf file with :
I do not have any Executor.
When I check the manager status in detail I see the threads with ? in front
and nothing else. The ones being used do have the data.
Just wondering is it normal to have that much open threads
On 17/05/2010 10:29, Mercy wrote:
> Hi,
>
> You could set the one fourth of physical memory size(the recommended
> heap size) for -Xms,-Xmx arguments.
Where does this recommendation come from?
It would mean that with 16Gb of RAM one should only use 4Gb for the heap.
p
> What's more, you a
Hi,
I have the default server.conf file with :
I do not have any Executor.
When I check the manager status in detail I see the threads with ? in front
and nothing else. The ones being used do have the data.
Just wondering is it normal to have that much open threads waiting?
And André I hav
Hi,
You could set the one fourth of physical memory size(the
recommended heap size) for -Xms,-Xmx arguments.
What's more, you also analyze the heap using jmap.
Mercy
On 05/17/2010 05:16 PM, André Warnier wrote:
Ozgur Ozdemircili wrote:
Hi,
-Rhel 5.3 x64
-java version "1.6.0_16"
Java(
On 17/05/2010 10:15, Pid wrote:
> On 17/05/2010 09:56, Ozgur Ozdemircili wrote:
>> Hi,
>>
>> -Rhel 5.3 x64
>>
>> -java version "1.6.0_16"
>> Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
>> Java HotSpot(TM) 64-Bit Server VM (build 14.2-b01, mixed mode)
>>
>> -Apache tomcat 6.0.26
>>
>> -Dual
Ozgur Ozdemircili wrote:
Hi,
-Rhel 5.3 x64
-java version "1.6.0_16"
Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
Java HotSpot(TM) 64-Bit Server VM (build 14.2-b01, mixed mode)
-Apache tomcat 6.0.26
-Dual core Intel(R) Xeon(R) CPU E3110 @ 3.00GHz and 4 GB memory each.
Hè ? do you m
On 17/05/2010 09:56, Ozgur Ozdemircili wrote:
> Hi,
>
> -Rhel 5.3 x64
>
> -java version "1.6.0_16"
> Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
> Java HotSpot(TM) 64-Bit Server VM (build 14.2-b01, mixed mode)
>
> -Apache tomcat 6.0.26
>
> -Dual core Intel(R) Xeon(R) CPU E3110 @ 3.00G
Hi,
-Rhel 5.3 x64
-java version "1.6.0_16"
Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
Java HotSpot(TM) 64-Bit Server VM (build 14.2-b01, mixed mode)
-Apache tomcat 6.0.26
-Dual core Intel(R) Xeon(R) CPU E3110 @ 3.00GHz and 4 GB memory each.
Thanks.
Özgür Özdemircili
http://www.ac
On 17/05/2010 09:25, Ozgur Ozdemircili wrote:
> Hi,
>
> I am having a lot of Java Heap OutOfMemory issues. The first change I did
> was to add more memory to JVM:
>
> export CATALINA_OPTS="-XX:MaxPermSize=512m -Xms512m -Xmx2048m -server"
>
> Yet I have 2 questions
>
> - What are you real life c
Hi,
I am having a lot of Java Heap OutOfMemory issues. The first change I did
was to add more memory to JVM:
export CATALINA_OPTS="-XX:MaxPermSize=512m -Xms512m -Xmx2048m -server"
Yet I have 2 questions
- What are you real life configurations? In a very busy prod environment
what parameters do
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