Rogier Lommers – 3 articles

How to: validate your app’s metrics on a local Grafana instance

Rogier Lommers, on 16-06-2021
Category: Cloud, Infrastructure, Development Tags: Grafana monitoring prometheus

Monitoring your infrastructure is key for keeping production workloads healthy and to debug issues when things are going bad. And like Peter Drucker once said: “if you can measure, you can manage”. At bol.com, we make use of the well-known Prometheus / Grafana stack. Recently I needed to add new metrics to my application. So I opened my visual studio code instance and added a few new measurements. After this, I had the need to validate them, but then I realised I had to push my code changes up to…

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From a crazy hackathon idea to an empty queue

Rogier Lommers, on 17-05-2017
Category: Blog, Architecture, Development Tags: Golang hackathon crazy client-server gamification distributed go

How can you make sure images don’t slow down your page load performance? All it took us was some unconventional thinking: seti@bol.com.

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‘Ultimate Go’ with William Kennedy

On: 1 Jun 2017 at: bol.com Utrecht
Category: Events Tags: Event

Do you want a jump start at learning Go? Now’s your chance! Bill Kennedy will be giving his 3-day “Ultimate Go” course this summer at bol.com HQ. This class will give you an intense, comprehensive and idiomatic view of the language.

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