Building a Custom Java Diagnostic Agent

This article outlines the development of a lightweight, non-intrusive Java diagnostic tool similar to Arthas. It is packaged as a standalone JAR that can be attached to any running JVM to perform runtime inspections. The core features include: Inspecting heap and non-heap memory usage Checking direct buffer allocation Capturing heap dumps Dump ...

Posted on Sat, 22 Aug 2026 16:20:12 +0000 by jguy