The Karpenter Effect: Redefining Our Kubernetes Operations

A reflection on Adevinta's journey towards AWS Karpenter, improving upgrades, flexibility, and cost-efficiency in a 2,000+ nodes fleet.Managing a fleet of over 2,000 Kubernetes nodes and 30 clusters across 25 marketplaces is no small feat. The use of Karpenter has streamlined cluster upgrades and maintenance, provided fine-grained control over disruptions, and enhanced flexibility with instance types.