Tag: Autoscaling
All the articles with the tag "Autoscaling".
KEDA: event-driven autoscaling, all the way to zero
KEDA scales pods by queue depth, a metric, or a schedule — not just CPU/RAM — and can scale all the way down to zero. ScaledObject, scalers for Kafka/RabbitMQ/Prometheus/cron, and the polling interval, activation-vs-scaling threshold, and cooldown gotchas.
Karpenter: just-in-time nodes and half the cluster bill
Cluster Autoscaler scales pre-sized node groups, Karpenter picks the right instance for the actual pending pods and collapses the cluster when idle. NodePool/NodeClass, consolidation, spot fallback, and the traps that block it — with a working manifest.