arthas
Java app diagnostic tool.
Free
Support platforms
web
What is arthas
Arthas is a powerful open-source Java diagnostic tool developed by Alibaba. It helps developers troubleshoot and diagnose Java applications in production environments without restarting the application. Arthas provides a command-line interface with various commands to inspect and manipulate running Java processes. Key features include real-time system monitoring, method parameter/return value/exception viewing, online hot-swapping of code, class conflict resolution, performance hotspot analysis, and a web console for online diagnostics. Arthas simplifies complex debugging tasks, making it easier to identify and resolve performance bottlenecks and application issues.
arthas 's Core features
Real-time Monitoring
Provides a dashboard to monitor the application's real-time status.
Method Inspection
Allows viewing method parameters, return values, and exceptions.
Online Hot-swapping
Enables online code updates without restarting the application.
Class Conflict Resolution
Helps resolve class loading issues and identify class loading paths.
Performance Analysis
Identifies performance hotspots and generates flame graphs.
Web Console
Offers a web-based interface for online diagnostics.
Easy to Use
Simple command line interface.
How to use arthas
Download and install Arthas on your server.,Run Arthas and attach it to your Java application's process ID.,Use the command-line interface to execute diagnostic commands.,Explore commands like dashboard, watch, jad, and profiler.,Analyze the output and identify the root cause of the problem.
Use cases of arthas
Performance Bottleneck Detection
Identify slow methods and optimize code for improved performance.
Debugging Production Issues
Diagnose and resolve issues in a live production environment without downtime.
Hot-swapping Code Changes
Apply bug fixes or small feature updates without restarting the application.
Class Loading Issues
Troubleshoot class loading problems and dependencies.
Who benefits from arthas
Java Developers
Developers working on Java applications who need to diagnose and troubleshoot issues.
DevOps Engineers
Engineers responsible for monitoring and maintaining Java applications in production.
Pricing of arthas
Arthas is an open-source tool and is completely free to use.
