Are these the reasons as below? It seems very similar as what I met. It costs only native memory, so I couldn't look it in the java heap.
https://dzone.com/articles/native-memory-leak-example https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/ClassFileTransformer.html#transform-java.lang.ClassLoader-java.lang.String-java.lang.Class-java.security.ProtectionDomain-byte:A-  [ Full content available at: https://github.com/apache/incubator-skywalking/issues/1666 ] This message was relayed via gitbox.apache.org for [email protected]
