3 articles tagged with Autoscaling.
Horizontal and vertical autoscalers solve different problems and break in different ways. The thresholds, cooldowns, and conflicts we learned the hard way.
Bad resource requests waste money or trigger OOMs. The methodology we use to right-size requests based on actual usage, and the gotchas the autoscalers don't fix.
After two years of running Karpenter on production EKS clusters, the NodePool patterns that survived, the ones we replaced, and the tuning that matters.