Maarten is a software architect and Oracle ACE. Over the past years he has worked for numerous customers in the Netherlands in developer, analyst and architect roles on topics like software delivery, performance, security and other integration related challenges. Maarten is passionate about his job and likes to share his knowledge through publications, frequent blogging and presentations.
Oracle provides several services as ‘always free’. In contrast to Azure and Amazon, these include compute instances which remain ‘forever’…
wrk is a modern HTTP benchmarking tool. Using a simple CLI interface you can put simple load on HTTP services and…
pgAdmin is a popular open source and feature rich administration and development platform for PostgreSQL. When provisioning Postgres database environments…
Apache Camel is an open source integration framework that allows you to integrate technologically diverse systems using a large library of components.…
Performance tuning usually goes something like followed: a performance problem occursan experienced person knows what is probably the cause and…
Syslog is a standard for message logging, often employed in *NIX environments. It allows separation of the software that generates messages,…
There are different ways to create data services. The choice for a specific technology to use, depends on several factors…
When developing microservices, a fast startup time is useful. It can for example reduce the amount of time a rolling…
Sometimes you have multiple services you want to call at the same time and merge their results when they’re all…
Sometimes you have an Oracle database which contains a lot of logic and you want to expose specific logic as…
You might encounter a situation where you want to fork a script during execution. For example if the amount of…
It is a smart thing to move to newer versions of Java! Support such as security updates and new features…
HashiCorp Vagrant is a great tool to quickly get up and running with a development environment. In this blog post…
Filesystem events are useful to monitor. They can indicate a security breach. They can also help understanding how a complex…
In a previous blog post I wrote about running Minikube on Windows. I ended with the suggestion that getting Minikube…
Kubernetes is a system for running and coordinating containerized applications across a cluster of machines. Minikube runs a single-node Kubernetes…
In a previous blog post I created a setup to compare JVM performance of several JVMs. I received some valuable…
There are many different choices for a JVM for your Java application. Which would be the best to use? This…
In order to compare the performance of different JDKs for reactive Spring Boot services, I made a setup in which…
GraalVM is an open source polyglot VM which makes it easy to mix and match different languages such as Java,…