Archive for the ‘From The Web’ Category

Apache JMeter 2.3.2 Released

Saturday, June 14th, 2008

Version 2.3.2 of Apache JMeter has been released. For details of new features and fixes, please ...

Tools to Develop Faster Web Pages

Thursday, June 12th, 2008

Jacob Gube just published "15 Tools to Help You Develop Faster Web Pages" at sixrevisions.com. It gives a nice list and high level overview of free tools that are useful for web performance. It includes such tools as load generators, profilers, and debugging proxies.Pylot (my tool) made his ...

Article: Scalability Principles

Wednesday, May 21st, 2008

At the simplest level, scalability is about doing more of something. This could be responding to more user requests, executing more work or handling more data. This article presents some principles and guidelines for building scalable software systems. By Floyd Marinescu

Post-Deployment Slowdown?

Saturday, May 17th, 2008

In this month’s issue of Software Test and Performance, Michele Kennedy shares a great experience report on troubleshooting performance issues. It includes some great tips, recommends some free tools, and includes some real examples. It’s a good read. I wish more performance testing articles were written this way - real ...

determyne Releases Open Source J2EE Performance Monitoring Tool

Monday, May 12th, 2008

determyne Inc. has announced the technology preview of an open source transaction-level performance monitoring solution for J2EE applications. insideApps is an end-to-end transaction tracing and reporting system that enables you to centrally and automatically monitor the performance of your J2EE applications. In contrast to the traditional approach of collecting and ...

Open Source Troubleshooting for Java

Monday, May 12th, 2008

VisualVM is an OpenJDK project from Sun to create an all-in-one troubleshooting tool for Java applications. The tool is a combination of several existing tools and newer profiling capabilities. By Craig Wickesser

Examples on LoadRunner Regular Expressions

Wednesday, April 30th, 2008

I'm going to show and explain how to use Regular Expressions in LoadRunner. Introduction: The present article is a summarizing of the LoadRunner Regular Expressions challenge and its results. Also, I added code for RegExp patterns/subpatterns matching. All LoadRunner Regular Expressions functions are shown with examples. ...

Python - RRDTool Utilities (module and scripts for RRDs)

Tuesday, April 29th, 2008

I started a project on Google Code to create a set of Python tools to make dealing with Round Robin Databases (RRD) less painful.  Setting up RRD's can be tough if you don't know what you are doing. anyone interested can check it out ...

Multiple Dimensions of Performance Testing

Thursday, April 24th, 2008

Almost all experts agree that pre-deployment "waterfall" performance testing (which, with the record/playback method, confused by many as the performance testing itself) is not enough - too little, too late. Actually it is just one very specific way of performance testing - with a full spectrum of other approaches, which ...

Solaris Performance Primer: Introduction

Wednesday, April 23rd, 2008

This web log will is the start of a small series of Solaris performance monitoring tools. We are going to present freely available tools from Solaris, the Tools CD and the DTrace toolkit.This blog will help the upatient ones who want to solve 90% of the day to day performance ...

Roll Your Own SiteScope, a Simple Alternative

Wednesday, April 23rd, 2008

In working with SiteScope of late, I’ve found that it doesn’t always collect performance metrics the way I want to. More importantly, it can often turn a simple monitoring activity into a complex disaster. Take monitoring via JMX for example. In SiteScope, it has a rather complicated (and sometimes broken) ...

StickyMinds.com Weekly Column: Peeling the Performance Onion

Monday, April 21st, 2008

Performance tuning is often a frustrating process, especially when you remove one bottleneck after another with little performance improvement. Danny Faught and Rex Black describe the reasons why this happens and how to avoid getting into that situation. They also discuss why you can't work on performance without also dealing ...

Hands-off Load Testing with JMeter and Ant

Friday, April 18th, 2008

Automation expert Paul Duvall highlights in a recent post the value of earlier and continuous integration of load tests throughout the development cycle and presents simple step-by-step techniques to create a scheduled integration build that runs JMeter tests. By Alexander Olaru

Podcast: "Diving into Capacity Planning"

Friday, April 11th, 2008

A podcast that I did for TeamQuest Corporation, back in December, is now available. It's a somewhat unconventional take on the motivations for doing CaP, based on taking into account the apparently frustrating but otherwise very realistic perspective of management. During the podcast, I refer to the CMG Keynote given ...

Automation for the people: Hands-off load testing

Tuesday, April 8th, 2008

Load testing is often relegated to late-cycle activities, but it doesn't need to be that way. In this installment of Automation for the people, automation expert Paul Duvall describes how you can discover and fix problems throughout the ...