REX FinOps : en ouvrant AWS Cost Explorer sur un data lake à 6 500 $/mois, trois anomalies apparaissent. AWS KMS à 4 000 $/mois, des licences fantômes pour des développeurs partis, 10 pipelines CI/CD redondantes. Optimisation des coûts cloud : 100 000 $ d'économies annuelles. Sans outil, sans migration. Juste de la curiosité. Checklist incluse.
#sre
3 posts
9 Jun
28 Aug 2025
In production environments, debugging alerts can sometimes feel like finding a needle in a haystack. Over the years, I’ve found the OSI (Open Systems Interconnection) model to be a reliable guide during Root Cause Analysis (RCA) of production issues. What is the OSI Model? The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing…
26 Sept 2018
The interaction between career development and on-call is actually really, really, bad. Bluntly, the profession takes on-call seriously, tries to be good at it, yet it is very very rare for this to be rewarded in any meaningful way. In 11 years at my previous employer, I never saw anyone get promoted for on-call performance. […]