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From opernas <oper...@indra.es>
Subject Re: ActiveMQ-CPP: memory leak with persistent sendings?
Date Fri, 26 Feb 2010 11:45:54 GMT


Like I said, this issue occurred with my app but in SimpleProducer.cpp
sample too. If you take SimpleProducer.cpp and put DeliverMode flag to
PERSISTENT (instead of NON_PERSISTENT).

==3085== 160 bytes in 20 blocks are definitely lost in loss record 27 of 40              
                                                                                         
                           
==3085==    at 0x40253C5: operator new(unsigned int)
(vg_replace_malloc.c:214)                                                                
                                                                
==3085==    by 0x4313A16:
activemq::core::ActiveMQSession::send(cms::Message*,
activemq::core::ActiveMQProducer*, activemq::util::Usage*) (Pointer.h:45)                
                                      
==3085==    by 0x430843E:
activemq::core::ActiveMQProducer::send(cms::Destination const*,
cms::Message*, int, int, long long) (ActiveMQProducer.cpp:197)                           
                           
==3085==    by 0x43065F6:
activemq::core::ActiveMQProducer::send(cms::Destination const*,
cms::Message*) (ActiveMQProducer.cpp:134)                                                
                           
==3085==    by 0x43074FA:
activemq::core::ActiveMQProducer::send(cms::Message*)
(ActiveMQProducer.cpp:102)                                                               
                                     
==3085==    by 0x8049F4D: SimpleProducer::run() (prueba.cpp:126)                         
                                                                                         
                           
==3085==    by 0x804928A: main (prueba.cpp:227)


==3085== LEAK SUMMARY:
==3085==    definitely lost: 7,280 bytes in 40 blocks
==3085==    indirectly lost: 10,406 bytes in 468 blocks
==3085==      possibly lost: 784 bytes in 6 blocks
==3085==    still reachable: 28 bytes in 1 blocks
==3085==         suppressed: 0 bytes in 0 blocks

Is in the producer->send() call... but I dont know if I've some mistake, or
if a put PERSISTENT, i need to do something else... i've tried different
ackwnoledge methods, but i've still loosing memory.





Timothy Bish wrote:
> 
> On Fri, 2010-02-26 at 01:35 -0800, opernas wrote:
>> Hi all,
>> 
>> 
>> I was making test with activemq-cms and persistent messages, and  I saw
>> that
>> my memory consumption was increasing for every each message that I send.
>> The
>> same example with NON_PERSISTENT delivery mode flag doesn't loose any
>> memory. 
>> Valgrind with the example of your web and PERSISTENT flag on:
>> 
>> -----------------------------------------------------                           

>> Finished with the example.                                                      

>> =====================================================                           

>> ==6141==                                                                        

>> ==6141== HEAP SUMMARY:
>> ==6141==     in use at exit: 1,750,846 bytes in 50,014 blocks
>> ==6141==   total heap usage: 317,727 allocs, 267,713 frees, 31,314,995
>> bytes
>> allocated
>> ==6141==
>> ==6141== LEAK SUMMARY:
>> ==6141==    definitely lost: 677,572 bytes in 3,999 blocks
>> ==6141==    indirectly lost: 1,071,561 bytes in 45,977 blocks
>> ==6141==      possibly lost: 1,685 bytes in 37 blocks
>> ==6141==    still reachable: 28 bytes in 1 blocks
>> ==6141==         suppressed: 0 bytes in 0 blocks
>> ==6141== Rerun with --leak-check=full to see details of leaked memory
>> ==6141==
>> ==6141== For counts of detected and suppressed errors, rerun with: -v
>> ==6141== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 37 from 6)
>> 
>> 
>> Perhaps it's something about the acknowledge? 
>> 
>> 
>> 
>> regards
>> 
> 
> What version are you using of ActiveMQ-CPP ?
> 
> Can you provide a sample app that demonstrates this issue?
> 
> Regards
> 
> -- 
> Tim Bish
> 
> Open Source Integration: http://fusesource.com
> ActiveMQ in Action: http://www.manning.com/snyder/
> 
> Follow me on Twitter: http://twitter.com/tabish121
> My Blog: http://timbish.blogspot.com/
> 
> 
> 

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