The Thanos logo. It is a T in a square with some squares under the T. Below that is the 'Thanos' name.

Setting up Thanos for Metrics Storage

At the time of writing, I have 328 GiB of Prometheus data. When it all started, I had about 250 GiB. I could stop gathering more data whenever I like. 😅 So I’ve got a lot of Prometheus data. Especially since I started the Kubernetes cluster - or rather, since I started scraping it - I had to regularly increase the size of the storage volume for Prometheus. This might very well be due to my 5 year retention. But part of it, as it will turn out later, was because some of the things I was scraping had a 10s scrape interval configured. ...

May 18, 2025 · 30 min · Michael