CompilerThread0: OutOfMemoryError Chunk::new Out of swap space?
Nitin Verma
nitin.matrix at gmail.com
Wed Dec 31 02:17:33 PST 2008
address space is unlimited.
==
$ ulimit -a
cpu time (seconds) unlimited
file size (blocks) unlimited
data seg size (kbytes) unlimited
stack size (kbytes) 10240
core file size (blocks) 0
resident set size (kbytes) unlimited
processes 73728
file descriptors 131072
locked-in-memory size (kb) unlimited
address space (kb) unlimited
file locks unlimited
1024
819200
==
On Wed, Dec 31, 2008 at 3:45 PM, Nitin Verma <nitin.matrix at gmail.com> wrote:
> Hi Ivan,
>
> $ java -version
> java version "1.5.0_13"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_13-b05)
> Java HotSpot(TM) Server VM (build 1.5.0_13-b05, mixed mode)
>
> $ uname -a
> Linux <hostname> 2.6.9-34.ELsmp #1 SMP Fri Feb 24 16:54:53 EST 2006
> i686 i686 i386 GNU/Linux
>
> JBoss is running with following options:
> java -Xms1740m -Xmx1740m -server -XX:+UseParallelGC
> -XX:MaxPermSize=256m -Djava.awt.headless=true
> -Djava.library.path=/home/y/lib -Djava.net.preferIPv4Stack=true
> -Djava.endorsed.dirs=/home/y/libexec/jboss/lib/endorsed -classpath
> /home/y/libexec/jboss/bin/run.jar:/home/y/libexec/java/lib/tools.jar
> org.jboss.Main -c pm
>
> This is happening randomly on different cluster nodes.
>
> Regards,
>
> Nitin
>
> On Sat, Dec 27, 2008 at 5:34 AM, Ivan Krylov <Ivan.Krylov at sun.com> wrote:
>> Hi Nitin,
>>
>> This problem was never observed on any jdk versions later then 1.4.2.
>> Reading the related bugs note I see a suggestion to use a VM option
>> -XX:ThreadStackSize
>> instead of Xss. Note sure why this makes a difference.
>>
>> What is the OS version that you are using?
>> Depending on the OS and configuration there are different limitations on the
>> maximum address space.
>> Roughly speaking if you subtract some 200M from that maximum and divide it
>> by stack size - that is how many threads you may create.
>>
>> Hope this helps,
>>
>> Ivan
>>
>>
>> Nitin Verma wrote:
>>>
>>> Hi All,
>>>
>>> Is HotSpot bug solved in 1.7?
>>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4916142
>>> If not is there a workaround else than reducing -Xss?
>>>
>>> Regards,
>>>
>>> Nitin Verma
>>
>>
>
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