Mastering Arthas: A Practical Guide to Java Runtime Debugging and Monitoring

This article introduces Arthas, a Java online diagnostic tool, explains its instrumentation‑based runtime principle, guides installation on various platforms, and provides a comprehensive command reference—including basic, system, class, and enhancement commands—for effective debugging, monitoring, and performance analysis of Java applications.

ArthasInstrumentationJava

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Mastering Arthas: A Practical Guide to Java Runtime Debugging and Monitoring

FunTester

May 14, 2020 · Backend Development

Mastering Arthas watch: Real‑time Method Call Inspection in Java

This tutorial demonstrates how to use Arthas' watch command to monitor Java method entry parameters and return values in real time, explains the required OGNL syntax, shows a practical demo code, and notes performance considerations for online debugging.

ArthasJavaOGNL

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Mastering Arthas watch: Real‑time Method Call Inspection in Java

Java Captain

Mar 12, 2020 · Backend Development

Using Arthas for Java Hot Code Update and Runtime Debugging

This guide explains how to use Alibaba's Arthas tool to attach to a running Java process, inspect JVM metrics, execute hot code updates, and troubleshoot production issues without redeploying, covering download, common commands, and step‑by‑step hot‑swap procedures.

ArthasHot UpdateInstrumentation

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Using Arthas for Java Hot Code Update and Runtime Debugging