Arthas 4 Deep Dive: JDK 25, Wall-Clock Flame Graphs, and AI-Powered Diagnostics
This article explores Arthas 4, a Java diagnostic tool that attaches to running JVMs without restart, detailing its core capabilities (thread, method, class inspection, hot-swapping, profiling), new features in version 4 (JDK 25 support, wall-clock flame graphs, MCP Server for AI-driven command execution), practical usage scenarios with commands, pros/cons, and ideal use cases.
