JVM Heap Memory: Young Gen, Old Gen, Metaspace, and Object Headers
A deep dive into JVM heap memory organization including Young Generation, Old Generation, Metaspace, and object header internals for performance optimization.
Posts tagged with #performance
Java Flight Recorder: Continuous Monitoring and Diagnostics
Learn how Java Flight Recorder captures low-level diagnostics, profiling data, and continuous monitoring events from the JVM in production environments.
Java Mission Control: Flight Recordings and Heap Analysis
Complete guide to JDK Mission Control for flight recordings, heap analysis, and identifying hotspot methods in production Java applications.
JIT Compilation Internals
Understand how the JVM's Just-In-Time compiler detects hot code, applies compilation thresholds, and manages the code cache for peak performance.
JIT Optimization: Inlining, Escape Analysis, Dead Code Elimination
Understand how JVM JIT compiler optimizes code through inlining, escape analysis, and dead code elimination for peak application performance.
JVM Architecture Overview: Understanding the Java Virtual Machine
A deep dive into the JVM architecture covering Class Loader, Runtime Data Areas, and Execution Engine components that power Java applications.
JVM Flags Explained: Standard, -X, and -XX Options for Tuning
Master JVM flags configuration with this comprehensive guide covering standard, -X, and -XX options for production Java performance tuning.
Runtime Data Areas: Heap, Stack, and Method Area Internals
Understanding JVM memory architecture: Heap, JVM Stack, Method Area, PC Registers, and Native Method Stacks - what they store and how they interact.
Serial vs Parallel GC: Throughput-Focused Collectors
A practical guide to Serial and Parallel garbage collectors - how they work, when to use each, throughput trade-offs, and production tuning tips.
JVM Stack Walking API: Fast Stack Traversal and Security Context
A guide to the JVM Stack Walking API showing how to efficiently traverse stack frames, access local variables, and extract security context without the overhead of traditional stack trace capture.