How to identify the memory leakage using loadrunner? please explain in detail

Questions by mpradeep   answers by mpradeep

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When memory utilization increases, under constant load, it means there may be a leakage.. To identify this u can monitor the performance tab in the windows task manager, during the course of load test monitor the performance tab, for increase in memory usage.

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rajbir singh

  • Jul 24th, 2006

i think load runner is not sufficent of memory leakage it only provide base knowledge of memory leakage

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  • Sep 4th, 2006

For a particular application or component related processor is running in the system.

First we need to identify that processor and Using Perfmon we can ckeck the memory consumtion of that processor.

While executing the loadtest we need to track the memory of that particular processor running in the system. That processor memory keeps increasing when test stops also (or) its not releasing the memory after completion of the test also. then we can conclude it is a memory leak

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Ram Kumar

  • Oct 17th, 2006

I think memory leakage is not just attributed to the client PC alone. You need to run a soak test (basically the same performance test for an extended period of time) for say 6 to 8 hours and collect vmstat or perfmon on the application server with a sampling internval of say 20 seconds. Analyse the memory at the start and end of the test. If there is a degradation then you need to check the code.


  • Mar 14th, 2014


According to my knowledge we can find memory leakages in Load Runner.How means by monitoring servers like webserver,Appserver,DBserver.we can monitor these servers using monitoring tools like websphere and weblogic. we need to find these leakages JVM -> Heap Memory.


  • Sep 2nd, 2014

1) Can figure out from the Heap.if continuously objects are allocating the memory meaning heap is increasing,But memory is not released by those objects.Then definitely there is a memory leak issue.

2) If any core dump is generating and tends to crash the Load runner or Jmeter while running the test and seeing the error as a Out of Memory then Definitely will be a memory leak issue.

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