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.
Posts tagged with #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.
ZGC and Shenandoah: Ultra-Low Latency Garbage Collectors
How ZGC and Shenandoah achieve sub-millisecond pause times through concurrent operations and load barriers, without stopping your application.
Arrays vs Linked Lists: Understanding the Trade-offs
Compare arrays and linked lists in terms of access time, insertion/deletion efficiency, memory usage, and cache performance.
Cache Stampede Prevention: Protecting Your Cache
Learn how single-flight, request coalescing, and probabilistic early expiration prevent cache stampedes that can overwhelm your database.