Take the “red pill” and let’s dive into monitoring basics with Prometheus. Post structure: KEEP IT SIMPLE COUNTERS rate() vs irate() CPU usage Setup Keep It Simple source: https://www.robustperception.io/keep-it-simple-scrape_interval-id spoiler: Keep things simple. Pick one scrape interval, and stick with it. Preferably not just per Prometheus, but across your team/organisation. A value in the range […]
What did we talk about? This week, the subject of our MNLAB meetup was Kubernetes! Well…, not only Kubernetes but also a few other topics which are included in the following presentation title. We started with a short history of how things evolved from the bare-metal age, to what we call today serverless. Then we […]
This guide describes in detail the steps needed for integrating OpenStack Juno with Neutron ML2 networking plugin with OpenDaylight Helium SR2 using GRE Tunnels. Be careful to replace <SOMETHING HERE> with the appropriate values. Also it is important to know that one OpenDaylight manages only one OpenStack deployment. The guide consists of 9 sections. Prerequisites Erase all instances, […]