A complete guide to memory management — virtual memory, paging, TLB, page replacement, fragmentation, Linux allocators, JVM heap regions, GC algorithms, tuning, and production memory profiling. Beginner through senior depth.
Comprehensive guide to Off-Heap Memory and Foreign Function & Memory API (JEP 454) in Java 22+. Learn how to bypass Garbage Collection Stop-the-World pauses, eliminate object overhead, achieve Zero-Copy I/O, manage MemorySegment and Arena scopes, and avoid Kubernetes OOMKilled crashes.
Post-mortem analysis of production OutOfMemoryError failures: why an innocent token-masking regex crashed a Kubernetes pod, 4 JVM memory leak avenues, metrics senses, and the 2 AM incident triage playbook.
