What are the risks and best practices for profiling non-heap memory in production?

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) ... Jan 12, 2017 ... The JVM has a heap that is the runtime data area from which memory for all class instances and arrays are allocated. It is created at the JVM start-up. Mar 19, 2024 ... Non-heap memory in Elasticsearch is the amount of memory allocated to the JVM for object storage that is not part of the heap. This includes ... Mar 11, 2019 ... Compared to heap memory, non-heap memory is less likely to vary under load. Once an application has loaded all of the classes that it will use ... Set the executor memory overhead to account for non-heap memory usage: %%configure -f { "conf": { "spark.executor.memoryOverhead": "8g" } }. Enable dynamic ... Jul 7, 2022 ... This article has shown you the various tools that FusionReactor offers to monitor and manage non-heap (native) memory. Jan 10, 2024 ... I am having continuously increasing non-heap memory usage and metaspace usage, and I am at a loss for how to resolve it. This usage is resulting in deeply ... Oct 24, 2004 ... ... non-heap memory areas. As a result, RTSJ programmers must manage non-heap memory explicitly. Although that's a common practice in real ... Heap memory. Standard Java Heap. Immortal memory. Immortal memory, exists ... Programming with non-heap memory in the real time specification for Java. In ... Mar 5, 2025 ... The part of non-heap memory that replaced the permanent generation (or permGen) starting with Java 8. Spring Boot Actuator observes this section ...