In order to maintain some metadata about the loaded classes, The JVM uses a dedicated non-heap area called Metaspace. Before Java 8, the ...
JNI heap: The heap that shows where Java Native Interface (JNI) references are allocated and released. From the menu on the right, choose how ...
(in my case I use java 8). add to command line: -XX:NativeMemoryTracking=
summary. then launch jcmd
Java HotSpot(TM) 64-Bit Server VM warning: Native Memory Tracking did not setup properly, using wrong launcher? The reason for this behavior ...
The Native Memory Tracking (NMT) is a Java HotSpot VM feature that tracks internal memory usage for a Java HotSpot VM. For details about NMT scope, how to ...
Java Heap; Class; Thread; Code; GC; Compiler; Internal; Symbol; Memory Tracking; Pooled Free Chunks; Unknown. See NMT Memory ...
Java libraries that invoke native code (i.e. code written in C/C++ and compiled
2 Track All Memory Allocations in JNI Library. If you write a JNI library, then consider ...
Shutdown NMT. Here is a table with the different memory categories (this may change):. Category. Description. Java Heap. The ...
OutOfMemoryError: Direct Buffer Memory. Internally, the JVM keeps track of the amount of native memory that is allocated and released by ...