What are the best practices for optimizing non-heap memory usage in NUMA systems? How does memory tiering in modern hardware relate to JVM non-heap memory?

Available JMX Metrics​ ; memory.heap.used, Amount of used heap memory, Yes ; memory.non-heap.committed, Amount of non-heap memory that is committed, Yes ; memory. May 26, 2011 ... Non-heap memory includes a method area shared among all threads and memory required for the internal processing or optimization for the JVM. Sep 19, 2023 ... Garbage Collector: G1 Old Generation: [G1 Eden Space, G1 Survivor Space, G1 Old Gen] Memory Pool: CodeHeap 'non-nmethods' (Non-heap memory): ... Sep 16, 2015 ... Approach 2: Write one segment that handles both heap and off-heap memory # · class HybridMemorySegment { · private final byte[] heapMemory; // non ... Dec 9, 2024 ... The JVM Runtime Metrics feature allows you to view heap and non-heap memory, as well as garbage collection activity, for any app that runs inside of the Java ... Sep 6, 2016 ... global memory, or shared directly using synchroniza- tion. Non-heap memory data races are not subject to the malloc-recycle pattern, so will ... Although the direct buffer memory is out of heap, the JVM still takes care of it. Each time the JVM requests a direct buffer memory, there will be a java.nio. ... non-heap memory areas such as immortal and scoped, and non-heap real time threads whose execution is not impeded by garbage collection. The Robust Software ... Jul 27, 2023 ... Metaspace. The non-heap space is used by the JVM to store metadata and class definitions. It is also known as the permanent generation (PermGen) ... Nov 25, 2022 ... I take a look at Stack and Heap Memory and how it affects your application. Knowing how memory is handled in your application can help you ...