About Markus Dlugi

Markus Dlugi is a Junior Software Performance Consultant at RETIT GmbH. He is a DevOps enthusiast and enjoys optimizing code just as much as tweaking deployment pipelines. He also implemented a custom Jenkins plugin as part of his Master’s thesis on “Detecting Performance Change in Continuous Integration Systems”.
8 05, 2018

Performance in Detail: Long vs. Double in Java

By |May 8th, 2018|

A few weeks ago, we stumbled upon an interesting problem during a code refactoring. After changing the data type of an attribute from List<Long> to List<Double>, we noticed some severe performance issues. Our application [...]

11 02, 2018

Continuous Benchmarking with JMH and JUnit

By |February 11th, 2018|

"Measuring Tape" by Jamiesrabbits is licensed under CC BY 2.0 Why benchmarks? When writing code, you are confronted with countless small decisions all the time. “Should I use a HashMap or a ConcurrentHashMap?” “Maybe [...]

21 02, 2017

Continuous Performance Evaluation using Open Source Tools

By |February 21st, 2017|

One major trend in IT has been the adoption of DevOps and continuous delivery principles. Many businesses have introduced continuous integration systems, trying to improve software quality and push out features in increasingly shorter [...]

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