Juan Jose Ciarlante
Platform Engineer at Grafana Labs, Assistant Professor at University of Mendoza, Argentina.
Mendoza, Argentina
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JuanJo Ciarlante is a Principal Engineer at GrafanaLabs and Assistant Professor at Mendoza Uni. His industry experience includes working for Google as SRE TL, as well as other SRE roles at Canonical Ltd, and Bitnami.
His OSS journey started in 1998 when he contributed IP Aliasing support to Linux, and since then to several other OSS projects. He's particularly passionate about Cloud-y OSS projects like Kubernetes, Prometheus, Grafana, etc which made cloud computing accessible for the rest of us.
Area of Expertise
The Trials and Tribulations of Energy/Carbon Monitoring at Scale for Diverse Clusters and Workloads
From your own green soul, to reducing greenhouse gas emissions and contributing to organizational sustainability targets, crystal-ball says you will have to measure your clusters’ energy and carbon emissions sooner rather than later. Spoiler alert: it’s a journey and we’re starting it all together. Perhaps you've heard of Kepler, the eBPF/ML-based CNCF Project to monitor energy utilization in Kubernetes, promoted by the CNCF Environmental Sustainability TAG. There are several aspects you need to consider: How is energy utilization measured? What do the available metrics mean and how can they be used to produce useful real-world Prometheus queries and Grafana dashboards? And then… how can you map them to carbon emissions? What the heck is the Software Carbon Intensity specification? We’ve been staging Kepler in clusters with hundreds of workloads with diverse usage patterns, running in many node types and CSPs. We may be able to help you with these questions!
Building On-Prem Virtual Kubernetes Clusters as Cattle for Edu Environments on Top of Common Hardwar
It's relatively easy to provide a Cloud stack when you have a credit-card that can be used to pay monthly cloud provider bills. Not the case for many LATAM Universities with limited resources, where you may get a one-off allowance to purchase a bunch of mainstream PCs.
What started as a "what-if (these bunch of machines can be turned into ...)?" ended up being an on-prem solution to provide a Cloud Native computing platform for students to learn and experiment with Cloud-related topics in self-served, safe, isolated environments.
By stacking *K*ubernetes on metal, R*ook as storage layer, *O*pen*S*tack for virtualization, to then build virtual *K*ubernetes clusters on top, you can provide a Cloud computing infrastructure that can be used by students and teachers. We affectionately call it KROS*K ;-)
In this talk, you'll learn how these pieces can be plugged together: the good, the bad, and the ugly you may find along the way that, while you DIY. Lots of inception and fun ahead!
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