How to Instantly Diagnose Java Production Issues with Arthas

This article introduces Arthas, an open‑source Java diagnostic tool, and demonstrates how to install it, use its command‑line and web console, and apply common commands such as dashboard, thread, watch, trace, and tt to quickly locate CPU spikes, deadlocks, memory leaks, and other production problems without redeploying code.

ArthasJVM diagnosticsJava debugging

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How to Instantly Diagnose Java Production Issues with Arthas

Programmer DD

Mar 10, 2022 · Operations

Master JDK Built‑in Tools to Diagnose Java Application Issues

This guide walks through using JDK's native command‑line and GUI utilities—such as jps, jinfo, jvisualvm, jstat, jstack, and jcmd—to monitor JVM performance, inspect GC behavior, analyze thread dumps, and troubleshoot memory configuration problems in Java programs.

JDK toolsJVM diagnosticsJVisualVM

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Master JDK Built‑in Tools to Diagnose Java Application Issues

Programmer DD

Jul 24, 2020 · Operations

Mastering jcmd: Essential Java Debugging Commands and Examples

jcmd, introduced in JDK 7, is a powerful built‑in Java diagnostic tool that lets you send commands to running JVMs, replace utilities like jstack and jmap, and perform tasks such as listing processes, printing thread stacks, retrieving heap information, and using Java Flight Recorder.

DebuggingHeap DumpJFR

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Mastering jcmd: Essential Java Debugging Commands and Examples