Articles Tagged ‘statistics’

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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Load Testing Web Applications with Gatling and Maven

Friday, May 6th, 2016

I have written about other performance testing tools for web applications before. Nevertheless I’d like to demonstrate a library for load testing web applications named Gatling in combination with the build tool Maven.

Gatling offers a nice Scala DSL, high performance using Akka, Netty and asynchronous IO and plug-ins for all modern build tools.

In the following tutorial I’m going to show how to record simulations using an HTTP proxy, rewriting simulations in Scala and running and reporting simulations with Maven.

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