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From Rob Davies <rajdav...@gmail.com>
Subject Re: AMQ 100% of CPU in RCP application
Date Wed, 19 Dec 2007 11:27:01 GMT
This looks like it might be a bug - but ActiveMQ 5.0 is now available  
- please give it a try ;)
On Dec 19, 2007, at 10:57 AM, TOPPER_HARLEY wrote:

>
> Hi,
> Im running an eclipse RCP application that uses AMQ4.1.1 for  
> receiving data
> from temp queues(request/response) and topics (for updates). We are  
> having
> trouble with CPU on client side and from using YourKit profiler to  
> monitor
> this over about 16 hours I see that AMQ is 100% of the time.  
> According to
> the snapshot attached, my methods are completely negligible. Here is  
> a quick
> snippet:
>
> <All threads>
> 318,332,979  java.lang.Thread.run()  100 %
>    318,003,121  org.apache.activemq.transport.tcp.TcpTransport.run()  
> 100 %
>        317,369,872
> org.apache.activemq.transport.tcp.TcpTransport.readCommand() 100 %
>            317,369,747
> org.apache.activemq.openwire.OpenWireFormat.unmarshal(DataInput) 100 %
>                317,369,747  java.io.DataInputStream.readInt()  100%
>
> Generated by YourKit Java Profiler 7.1 EAP build 3004    19-Dec-2007
> 10:19:15
>
> This seems strange since its an RCP application with glazed lists  
> etc. I
> would have thought that my methods (or at least eclipse/glazed lists  
> would
> be chewing up the CPU). But from this it seems to be AMQ.
>
> Does anyone have any thoughts on this or am I reading this data  
> incorrectly?
>
> Thanks for any input
>
> /Tom
>
>
> http://www.nabble.com/file/p14414902/client_dump.html client_dump.html
>
>
> -- 
> View this message in context: http://www.nabble.com/AMQ-100--of-CPU-in-RCP-application-tp14414902s2354p14414902.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>


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