Java Bytecode Fundamentals
Explore the low-level representation of Java code: op codes, the stack-based JVM architecture, and local variable table mechanics.
Posts tagged with #jvm
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 Memory Model: Happens-Before, Volatile, and Final Fields
Understanding happens-before guarantees, volatile field semantics, and final field safety in the Java Memory Model for correct concurrent code.
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.
java.util.concurrent: Thread Pools, ForkJoinPool, Synchronizers
Master Java's java.util.concurrent: Executors, ForkJoinPool, CountDownLatch, CyclicBarrier, Phaser, and thread pool patterns for high-performance apps.
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.
JMX and MXBeans: JVM Hotspot Diagnostics and Custom MBeans
Learn how to use JMX and MXBeans to monitor JVM memory pools, perform hotspot diagnostics, and build custom MBeans for production observability.
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.