Articles Tagged ‘capture’

Analyzing Java Applications on the Fly with Arthas

Wednesday, October 31st, 2018

Arthas created by Alibaba is a tool that allows developers to connect to running Java applications without stopping them or suspending threads for debugging the application from the console.

It offers features like monitoring invocation statistics, searching for classes and methods in the classloaders, view method invocation details (like parameters), show the stack trace of a method invocation, monitor system metrics and others.

In the following examples I’m going to demonstrate some of these features applied to a running web application.

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Snippet: Java Mission Control (JMC) and Flight Recorder (JFR)

Wednesday, October 11th, 2017

The Java Mission Control and the Java Flight Recorder allow us to capture run-time information from our Java applications without much overhead and aggregate profiling information.

I have written down the commands that I’m using the most when profiling a Java application with this tool chain in the following article.

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