Databases at CERN blog

Install Kubernetes on Oracle Cloud Infrastructure

In the last year Oracle has changed a lot, moving with determination to the Cloud business. They increased their portfolio with IaaS, PaaS and SaaS solutions. In the context of Openlab collaboration between Oracle and CERN we have been testing some of these cloud solutions. Oracle Cloud Infrastructure ( OCI )  is one of these and in this post I'm gonna show how it is possible to install and run a Kubernetes Cluster in the Oracle Cloud Infrastructure.

HAProxy Canary Deployment

Canary deployment is a way to test a new release of a software rolling it only for a small sub set of users. In this post I'll show how at CERN, in the Middleware section of Database group, we configure  our HAProxy setup to work as canary deployment. I'll give a brief introduction on what is a canary deployment and later we will see how to configure HAProxy.


HAProxy High Availability Setup

In the modern world where everyone wants to be always connected, High Availability became one of the most important feature for a system. For example if you are running  a system you don't want a failure in one piece of your architecture impacts the  whole system. You have to make all the components of your architecture high available. In this post we will present how, in the Middleware section of Dabatase group at CERN, we setup a High Availability HAProxy based on CentOS 7.

Intelligent monitoring with a new general-purpose metrics monitor

In the database team at CERN, we have developed a general-purpose metrics monitor, a missing part in our next generation monitoring infrastructure.

In the implemented metrics monitor, metrics can come from several sources like Apache Kafka, new metrics can be defined combining other metrics, different analysis can be applied, notifications, configuration can be updated without restarting, it can detect missing metrics, ...


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