Why test automation won’t work without infrastructure automation

The article shows the different benefits of an automated testing approach and why the full benefit can only unleashed by using infrastructure automation.

The importance of getting resource requests and limits right.

Problem Summary At the start of spring 2022, I was asked to assist in untangling a very escalated set of related cases with one of our customers. Their cluster had been experiencing stability issues over a period of several months. Initial analyses by support seemed to suggest resource problems, in particular insufficient memory. There were […]

Red Hat Summit 2022: Editor’s Picks

Red Hat Summit 2022 is a wrap! It was packed with interesting sessions covering a wide range of topics. Most sessions are available after a quick registration for on-demand viewing until December 2022 here:  https://summit.redhat.com There are 101 on-demand sessions available covering high level topics down to the dirty technical details of using Red Hat’s […]

Using OpenTracing and Jaeger with Your Own Services/Application

In this blog I will guide you on How to use OpenTracing with a Quarkus application. How to display your OpenTracing information on Jaeger UI. In this blog I will use distributed tracing to instrument my services to gather insights into my service architecture. I am using distributed tracing for monitoring, network profiling, and troubleshooting […]

Using OpenTelemetry and Jaeger with Your Own Services/Application

In this blog I will guide you on How to use OpenTelemetry with a Quarkus application. How to display your OpenTeleemtry information on Jaeger UI. In this blog I will use distributed tracing to instrument my services to gather insights into my service architecture. I am using distributed tracing for monitoring, network profiling, and troubleshooting […]

Red Hat Advanced Cluster Security with OpenShift Pipelines and Slack Integration

Summary This article describes the installation of Red Hat Advanced Cluster Security (RHACS) using the Operator. It also covers the integration of Tekton Pipelines for the deployment of two different containers and the configuration of a Slack notification. A special feature here is that the installation and configuration is largely automated by scripts and can […]

Monitor and scale apps using your own metrics

In this blog I will guide you on How to enable an application performance monitoring (APM). How to scale a user application based on application metrics with a Horizontal Pod Autoscaler (HPA). How to create an alert based on application metrics and send this alert to an external system. For the monitoring, I will use […]

Getting started with OpenShift ServiceMesh Federation

Introduction When you are serious about running a microservice architecture at scale, you will definitely run into some challenges at some point.  Beside all the benefits microservices deliver, they’ll also add a layer of complexity and have all the associated complexities of a distributed system.  And as the number of services scales, it becomes increasingly […]

Happy New Year

We wish all a happy and successful New Year!

How to quickly create a CRUD service with Quarkus

Quickly creating a REST CRUD service with Quarkus, making use of Dev Services for databases and a few extensions to move your service to a Kubernetes cluster.

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