[#NETVIRT-1210] New WriteTransaction leak in netvirt.neutronvpn.NeutronPortChangeListener

Running performance and scale tests to create neutron resources and stress ODL Oxygen with OpenStack Queens in an HA setup we observe several open transactions using Michael Vorburger's msdsal-trace tool.

DataBroker : newWriteOnlyTransaction() 997x transactions opened here, which are not closed: (...) org.opendaylight.controller.md.sal.binding.impl.BindingDOMDataBrokerAdapter.newWriteOnlyTransaction(BindingDOMDataBrokerAdapter.java:69) (...) org.opendaylight.netvirt.neutronvpn.NeutronPortChangeListener.lambda$null$4(NeutronPortChangeListener.java:736) org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl.callWithNewWriteOnlyTransactionAndSubmit(ManagedNewTransactionRunnerImpl.java:45) org.opendaylight.netvirt.neutronvpn.NeutronPortChangeListener.lambda$handleNeutronPortUpdated$5(NeutronPortChangeListener.java:696) org.opendaylight.infrautils.jobcoordinator.internal.JobCoordinatorImpl$MainTask.runWithUncheckedExceptionLogging(JobCoordinatorImpl.java:416) org.opendaylight.infrautils.utils.concurrent.LoggingUncaughtThreadDeathContextRunnable.run(LoggingUncaughtThreadDeathContextRunnable.java:60) java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

[NETVIRT-1210] New WriteTransaction leak in netvirt.neutronvpn.NeutronPortChangeListener Created: 11/Apr/18 Updated: 03/Oct/18 Resolved: 03/Oct/18
Status:	Resolved
Project:	netvirt
Component/s:	None
Affects Version/s:	None
Fix Version/s:	Oxygen-SR2, Fluorine

[NETVIRT-1210] New WriteTransaction leak in netvirt.neutronvpn.NeutronPortChangeListener Created: 11/Apr/18 Updated: 03/Oct/18 Resolved: 03/Oct/18