Karpenter

Kubernetes autoscaler in Hosting & cloud

Open-source Kubernetes node autoscaler that creates and removes nodes to fit current demand, and people say it spins up new compute almost instantly.

10 people gave an opinion

Each figure is one person. RecommendsCriticizes

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The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Each mark is one comment

Scales nodes up and down with demand
“scaling / autoscaling so easy now with karpenter to create/destroy nodes to fit current demand”
Comment from 14 Nov 2025 in “Kubernetes Ingress Nginx is retiring”
“In the cloud you can use cluster autoscaler or karpenter to automatically handle the unhomed pods however.”
Comment from 1 May 2026 in “Kubereboot/Kured: Kubernetes Reboot Daemon”
Provisions new compute almost instantly
“it spins up new compute resources near instantly”
Comment from 17 Nov 2025 in “We Recommend Managed Node Groups over Fargate for EKS Add-Ons”
“scaling / autoscaling so easy now with karpenter to create/destroy nodes to fit current demand”
Comment from 14 Nov 2025 in “Kubernetes Ingress Nginx is retiring”

8 of the 10 comments that mention it, newest first. Each links to the original comment.

“pretty close to as optimal of a setup as one can get”

RecommendsComment from 5 Oct 2026 in “Incident with Actions”

“Karpenter is definitely a natural fit for Oxide.”

RecommendsComment from 13 Aug 2026 in “Kubernetes on Oxide: How Customer Needs Shaped Our Integrations”

“In the cloud you can use cluster autoscaler or karpenter to automatically handle the unhomed pods however.”

MixedComment from 1 May 2026 in “Kubereboot/Kured: Kubernetes Reboot Daemon”

“Tools like Karpenter helped”

RecommendsComment from 22 Feb 2026 in “Track Karpenter efficiency of cluster bin-packing with kube-binpacking-exporter”

“which is now managed in most cloud providers”

RecommendsComment from 27 Dec 2025 in “What on earth is Kubernetes? (a beginners intro)”

“I've actually had no issues running karpenter on fargate”

RecommendsComment from 18 Nov 2025 in “We Recommend Managed Node Groups over Fargate for EKS Add-Ons”

“it spins up new compute resources near instantly”

RecommendsComment from 17 Nov 2025 in “We Recommend Managed Node Groups over Fargate for EKS Add-Ons”

“scaling / autoscaling so easy now with karpenter to create/destroy nodes to fit current demand”

RecommendsComment from 14 Nov 2025 in “Kubernetes Ingress Nginx is retiring”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.