Re: [Wrapper-user] After enabling JMX support, Java Service Wrapper consumes 25% - 30% CPU

[Joachim G. <joa...@sn...>]

Hello Leif,
thanks for the immediately reply. We are using Wrapper Version 3.5.8 x86 
32Bit.
I will try to create the dumps and come back again.

Regards,
Joachim

schrieb Leif Mortenson:
> Joachim,
> What version of the Wrapper are you using?
>
> The Wrapper makes itself available for JMX access, but the Wrapper
> itself does not ever call any of these APIs  Other than a client
> connecting, there is nothing I can think of which would be consuming
> CPU.
>
> When you see the high CPU, could you try invoking a few thread dumps.
> You can do this when running in a console by hitting CTRL+BREAK on
> your keyboard.    If it is eating so much CPU then you should be able
> to catch one of the calls in the act to see what is happening.
>
> Please let me know the results.
>
> Cheers,
> Leif
>
> On Mon, Aug 22, 2011 at 10:17 PM, Joachim Gruhn<joa...@sn...>  wrote:
>> Hi all,
>>
>> i am new to the Java Service Wrapper and have successfuly installed and
>> configured Java Service Wrapper on a Windows 2008 Server R2 (8 cores).
>> We are using integration method 4.
>> After enabling the JMX support in the wrapper.conf with
>> wrapper.java.additional.3=-Dcom.sun.management.jmxremote and restarting
>> the service the process consumes 25% to 30% of cpu utilization. There is
>> no client connected at this point. Disabling the JMX again the process
>> consumes up to 7% cpu.
>> What could be the reason of such huge cpu consumption with the JMX support?
>>
>> Best regards
>> Joachim
>
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