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Observability is no longer optional
You can't hope for a rich harvest if your plants are in lousy soil. Farmers have known the secrets of a rich harvest for thousands of years. They plant their seeds on the best soil and provide water and care until everything is ready for the harvest. If farmers stopped removing weeds, providing water, or feeding their animals, their entire crop would be lost. Our IT industry finally adopted the secrets for a rich harvest in the last decade. We no longer release business appli
Sep 7, 20233 min read


What is Level 5 Load and Performance Testing?
If you want to waste money, use the classic performance testing approach. What is the Classic Performance Testing approach? Tools first...
Aug 3, 20233 min read


The only time when speed does not matter is when you're headed in the wrong direction
Time is the most precious resource that should be used wisely. So how do you manage your time? Like a slow website, we naturally feel...
Jul 27, 20232 min read


How we've identified Cyber Attacks while checking the Health of our Applications.
Performance and Security are tightly interconnected. During one of our regular performance checks, we reviewed the four golden signals,...
May 30, 20232 min read


Root Cause and Solutions to T24 Transact Locking Issues
Locking is a mechanism used in computer programming to prevent multiple threads from accessing a shared resource simultaneously to...
Feb 23, 20233 min read


Speed is everything but not everything is Speed
Nobody enjoys slow loading or erroneous applications, and bad user experience already significantly impacts commercial revenue. I’m still wondering why the average response time of mobile sites is 19 seconds. Personally speaking, I won’t wait more than 5 seconds for a page to load. Whether you follow a waterfall or agile-based development approach, there are three critical touchpoints you need to consider if you want to reach a satisfying user experience. I call these touchpo
Jan 4, 20232 min read


How to avoid that your complex systems fail in complex ways
With the rise of technology, the complexity of our business applications has dramatically increased. As a result, virtualization,...
Mar 7, 20222 min read


25.000 User Streaming Portal Stress Test powered by Open Source
Lessons learned in a 25 K user load testing project powered by open source.
May 23, 20203 min read


The cost of performance issues
Performance is your most important feature. If you’ve ever experienced performance issues in your customer-facing applications, I’m sure...
Sep 26, 20193 min read


Top 6 Layers you must include in your Performance Analysis
Troubleshooting performance issues can sometimes be a tough nut to crack! Customers are complaining about slow response times, and...
Sep 12, 20195 min read


Cucumber-based performance testing
Shifting performance testing to the left is certainly a hot topic these days. All major companies have either implemented this practice...
Jul 25, 20193 min read


Rethink performance engineering
We often find ourselves busy with too many things at the same time. Living in this kind of multitasking mode not only affects our health,...
Jun 27, 20194 min read


9 Steps to Workload Modeling
Your project is running crazy when—in a last minute call—you’re asked to validate the response time and throughput of the new application...
Mar 21, 20192 min read


Avoid sunk costs in your automation projects
A worrying number of defects have cropped up late in your project. Although your teams are in their best fighting mode, the test...
Oct 26, 20183 min read


Simplify performance engineering with smarter tooling
As the complexity of our IT landscape increases, our customers have higher performance expectations than ever before. Watching how my two...
Oct 18, 20184 min read


The Value of Performance and Security
What is the real value of rich applications developed with performance and security in mind ,and why do we often realize far too late...
Aug 25, 20183 min read


The 4 Ps of Performance Engineering
Recently, I have been asked for a brief description on how to achieve outstanding responsive and lightning speed loading applications. A...
Aug 11, 20182 min read


Load Testing Strategy for AJAX
Gone are those times of static websites and thanks to AJAX and other new concepts the interaction with web-based services are very...
Nov 18, 20175 min read


6 Pitfalls that waste your Performance Engineering budget
Many companies are cutting their IT costs. Outsourcing, out-tasking, and elimination of redundancies are some of those measures how...
Oct 2, 20172 min read


Yesterday’s Performance Engineering approach can’t stop today’s Bottlenecks
New technology is popping up almost overnight, and the complexity of our applications is increasing. Virtualization, artificial...
Aug 17, 20173 min read
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