What is the difference between Java Heap & Native Memory

Published: 17 July 2025
on channel: yCrash
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Learn from this Course: https://ycrash.io/java-performance-tr...

When diagnosing memory problems in Java applications, most developers immediately think of the Java Heap. But what about the memory outside the heap? That’s where Native Memory comes in—and ignoring it can cost you hours (or even days) during root cause analysis.

In this video, we break down:
✅ What is Java Heap Memory?
✅ What is Native Memory in the JVM?
✅ How each is allocated and managed
✅ Why native memory leaks are harder to detect
✅ Tools to monitor and troubleshoot native memory issues
✅ Real-world examples of memory issues that hide outside the heap

Whether you’re an SRE, Java developer, or performance engineer, this video will equip you with the insights you need to track memory usage end-to-end—and avoid production nightmares.

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Related Resources

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Our Tools:

yCrash: https://ycrash.io/
GCeasy: https://gceasy.io/
HeapHero: https://heaphero.io/
fastThread Tool: https://fastthread.io/

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SRE Community:

Need help in troubleshooting your performance problems?
Post here: https://answers.ycrash.io/

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