Posted by Joep Weijers on March 26, 2024
Last week, a delegation from the Platform Layer of our Development department attended the KubeCon+CloudNativeCon in Paris. The hundreds of sessions, loads of vendor booths and thousands of attendees provide great ways to catch up to the latest and greatest in the Cloud Native space. Here are four interesting topics that we learned about this KubeCon.
Read morePosted by Joep Weijers on February 6, 2024
To stay on top of the latest developments and best practices in Azure, TOPdesk joined the ISV Innovation Days at Microsoft. During two days our Cloud Architects and Operations team worked together with Microsoft’s Cloud Solution Architects to create proof of concepts of ways that TOPdesk can better benefit from Azure.
Read morePosted by Joep Weijers on November 26, 2020
At TOPdesk we run many Java services in our Service Architecture. We use the AdoptopenJDK OpenJ9 JRE as base image for our services running in Kubernetes. In this post we will find out how to get a Java Heap Dump from a Java application running on OpenJ9 JRE.
A Java Heap Dump is a snapshot of all the objects that are in memory in the JVM at a certain moment. Typically, a heap dump is created at the moment a Java application crashes because it runs out of memory. The heap dump can then show you what the application was doing in its dying moments, providing insight into potential memory leaks.
Posted by Martijn van Lambalgen on January 8, 2018
So, you want to do rolling updates of your services in Kubernetes to achieve zero-downtime? That’s what we wanted to reach too, and what we’re doing now (mostly). Our journey involved quite a bit of research, filling of gaps in our lacking knowledge, learning from a multitude of mistakes, and a fair bit of trial and error. To make your journey more efficient, here is what we learned.