macrozheng

Nov 4, 2026 · Backend Development

Arthas 4: JDK 25 Support, Wall-Clock Flame Graphs & AI-Assisted Java Diagnostics

This article explores Arthas 4's major upgrades including JDK 25 support, wall-clock flame graphs for wait-time analysis, and an MCP Server enabling AI-assisted diagnostics via natural language, with practical command examples for thread analysis, method tracing, and heap dumping.