I was unnecessarily hanging on to these SampleResult objects, so have cleaned that up, but the question on how to know that the thread has made its last iteration still stands - any ideas or is this something for dev? It's version 3.3
> -----Original Message----- > From: Antony Bowesman [mailto:antony.bowes...@williamhill.com.au] > Sent: Tuesday, 3 April 2018 2:04 PM > To: JMeter Users List <user@jmeter.apache.org> > Subject: Cleaning up memory used by an HTTPSampleResult > > I've been investigating a memory leak and it seems that under certain > circumstances when I get a redirect, I end up downloading a bunch of > embedded resources I don't need. In this case, these HTTPSampleResult > objects end up being part of my JavaSampler instance, which is added to the > TEAR_DOWN_SET in the JavaSampler jmeter class. > > In this particular test, the Java Sampler only executes once and so the > HTTPSampleResult objects only get cleaned up at the end of the test, when > my teardownTest() method is called. However, it also applies to samplers > that are called in a OnceOnlyController, which in my case happens to be > Login. > > I have a couple of solutions, i.e. I know I can prevent the follow redirects > to > stop the symptoms of this behaviour and I can also put in a hack that will > clean up the resources by other samplers in the same thread, but the bigger > picture of how to prevent the basic memory leak issue that appears to exist > for these hanging HTTPSampleResult objects. The main culprit is the > responseData byte[], which basically holds the entire response payload. > > There seems to be no message I can listen for > (LoopIterationListener/TestIterationListener) to indicate a thread has made > its last iteration. > > Is there any way to clean up a thread's resources when it is done with. I > can't > do the cleanup during the iteration as there may be listeners that want the > results. > > Thanks > Antony --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@jmeter.apache.org For additional commands, e-mail: user-h...@jmeter.apache.org
