Memory leak due to org.hibernate.internal.SessionFactoryImpl hard to trace

Question

I have this Spring boot microservice that I suspect has a memory issue but I am unable to trace the suspected class back to the service code. Here are some indicating pictures, Seems like a persistence layer issue but we're not using the SessionFactoryImpl class directly anywhere.

Memory chart

Shortest paths to the accumulate points

Accumulated objects by class

Answer 1

Does it consume about 40M and the total is about 100M? If so, that's a pretty low number of a JVM app. If it doesn't grow more, I wouldn't be worried about it.

You might have a look at number of resources available about this topic:

• Possible Memory Leak due to org.hibernate.internal.SessionFactoryImpl
• https://www.eclipse.org/forums/index.php/t/1088908/
• https://hibernate.atlassian.net/browse/HHH-8943
• https://discourse.hibernate.org/t/hibernate-memory-management/32/2
• https://github.com/ow2-proactive/scheduling/issues/2870