Monitoring Oracle Database using Prometheus

Lucas Jellema 1

Prometheus is a very popular framework for gathering metrics from a plethora of runtime components, recording, analyzing, visualizing them and making them available for companion technologies such as Grafana. Prometheus harvests information from ‘exporters’ – processes that expose an HTTP endpoint where Prometheus can scrape metrics in a format that […]

Getting Started on Monitoring with Prometheus and Grafana

Lucas Jellema

Monitoring sounds like a terribly useful thing to do. And in many situations it is of course. However, rather than starting our discussion with monitoring, we really should start from the reasons for considering monitoring. With regard to IT, we typically are faced with non-functional requirements regarding business applications. The […]

First Steps with Prometheus and Grafana on Kubernetes on Windows

Lucas Jellema 1

Preparation: before I started with Prometheus, I installed VirtualBox, Minikube with Tiller on my Windows 10 laptop – as described in this article: https://technology.amis.nl/2018/08/13/running-kubernetes-1-10-using-minikube-on-windows-10-adding-kubectl-and-helm-tiller/. I then increased the Base Memory setting for the minikube vm to 8192 MB (the default 2048 MB is not sufficient) After making this change – […]

Running Istio on Oracle Kubernetes Engine–the managed Kubernetes Cloud Service

Lucas Jellema

In a recent post, I introduced the managed Oracle Cloud Service for Kubernetes, the Oracle Kubernetes Engine (OKE): https://technology.amis.nl/2018/05/25/first-steps-with-oracle-kubernetes-engine-the-managed-kubernetes-cloud-service/. A logical next step when working with Kubernetes in somewhat challenging situations, for example with microservice style architectures and deployments, is the use of Istio – to configure, monitor and manage […]