Andreas Grabner

About the Author

Andreas Grabner has been helping companies improve their application performance for 15+ years. He is a regular contributor within Web Performance and DevOps communities and a prolific speaker at user groups and conferences around the world. Reach him at @grabnerandi

Software Test Professionals – Conference Highlights from STPCon 2015


This week the Software Testing World moved to the US East Coast - just outside of Boston, MA a group of testers is discussing the latest and greatest at STPCon 2015. I was lucky enough to get 3 speaking slots this time (1 workshop, 2 breakouts) to share my thoughts on Performance, DevOps & Agile Testing: Application Performance Clinic Workshop DevOps: Find Solutions, Not More Defects More Top Performance Problems and Metrics for Testing Here are some of my ... More >

Born to Test – Conference Highlights from StarWest 2015


This week the Software Testing World is gathering at StarWest 2015 in Anaheim, CA (yeah - that's where Disneyland is) to share the latest best practices when it comes to Software Quality, Testing, Continuous Testing, DevOps, ... and all the other cool words floating around. I am a big fan of testers - that's actually how I started my career: as a tester testing a testing tool :-) -> back then it was SilkPerformer from Segue (later Borland & Microfocus). 15 years ... More >

Monolith to MicroServices: Key Architectural Metrics to Watch


Through my Share Your PurePath program I can confirm that many software companies are moving towards a more service-oriented approach. Whether you just call them services – or Micro-services doesn’t really matter. If you want to get a quick overview of the concepts I really encourage you to read Benjamin Wootton’s blog and the comments on “Microservices – Not A Free Lunch!” In the data that has been shared with me over the last couple of months I see the same trend, but ... More >

Stop Technical Debt: 3 Use Cases – NHibernate, Microservices and Frameworks


Technical Debt is what slows you down in bringing new features to your end users. Why? Because you spend time firefighting and fixing old code instead of innovating. However, rather than getting better and faster in at fixing problems, I suggest we start preventing problems by leveling-up our sense of quality! How? By learning from others to avoid the same mistakes! 3 Use Cases from our Community In this blog I cover three problem patterns reported by our Dynatrace ... More >

Fighting Technical Debt: Memory Leak Detection in Production


Thanks to our friends from Prep Sportswear who let me share their memory leak detection story with you. It is a story about “fighting technical debt” in software that matured over the years with initial developer’s no longer on board to optimize/fix their code mistakes. Check out their online store and browse through their pages – especially cool are the product details pages where they use some really nice server side rendering to show you the final customized product you ... More >

Tibco Business Events Entity Cache Performance Trap


Thanks again for another great story from A. Alam - a performance engineer working for Infosys Ltd. who conducts large scale load tests for a very large enterprise. Mr. Alam and team shared this story from a JMeter load test they ran in their production Tibco Business Events environment. The load test was meant to verify performance of item availability system which manages rest calls and large scale Inventory Changes of ecommerce, mobile apps and retail stores. Using ... More >

Top Web Performance Hotspots for #BlessedRamadan eCommerce


Over the past few years the majority of the WPO (Web Performance Optimization) experts I know have focused their attention almost exclusively on the US & European markets – so have we. However this year we’ve been asked to look further east and see how our friends that build and run large ecommerce websites in countries such as Saudi Arabia, Kuwait, Egypt or United Arabic Emirates are doing in terms of end user experience, performance and adhering to the latest web ... More >

The 5 most common SharePoint Performance Insights you can take action on now


I’ve been on a SharePoint Performance Evangelist Tour for the past couple of months. Here are some of my contributions to make Users, and by result, SharePoint Admins happier than they are right now: Blog and YouTube Tutorial on Performance Sanity Check in 15 Minutes Webinar with Wendy Neal on Driving SharePoint Adoption Workshops at events such as SharePoint Saturday Houston SharePoint FastPack for Dynatrace As part of my tour, we extended the Share Your ... More >

Velocity 2015 – Highlights from Last Day


Entering the last day of Velocity. We – Andreas Grabner (@grabnerandi) and Harald Zeitlhofer (@hzeitlhofer) – continue to blog our highlights of those sessions we get to see. Here is the summary of Tutorial Day 1 and Day 2. 4:10PM: Microservices, Micro Deployments and DevOps Alois Reitbauer (@AloisReitbauer) and Martin Gutenbrunner (@MartinGoodwell) from Ruxit raising these questions to the people in the room: "Who is scared when 5 teams are independently planning ... More >

Velocity 2015 – Conference Highlights


Welcome from Velocity 2015 - "Live" from Santa Clara. A lot of folks that are interested in "Building resilient systems at scale" (the motto of this year's conference) made it to the conference venue.  For those that couldn't make it I hope you find this blog useful as a little summary on what you have missed. Obviously we - Harald Zeitlhofer (@hzeitlhofer) and Andreas Grabner (@grabnerandi)- can't be in every session - but we try to do a good job in collecting feedback and ... More >