Does Karpenter Function Properly with EKS 1.33 and In-Place Pod Resizing?

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Asked By TechyNinja42 On

Hey everyone! Has anyone made the jump to EKS 1.33 and are you using Karpenter as your node scheduler? I saw that EKS 1.33 has In-Place Pod Resource Resize (Beta) enabled by default, and I'm curious if this change might disrupt how Karpenter schedules nodes. I couldn't find any official documentation addressing this issue. There's a related GitHub issue, but it seems like there hasn't been any feedback from the maintainers. Has anyone run into any issues after upgrading? Thanks a lot!

2 Answers

Answered By DevOpsDreamer On

With EKS 1.32 reaching its end of support soon, a lot of users will be upgrading soon. I'm using Goldilocks for my vertical pod autoscaling. Do you know if I need to change anything with Goldilocks when I upgrade? I'm still on 1.32 but plan to update my sandbox environment soon.

Answered By CloudSurfer99 On

The in-place pod resize actually shouldn't affect Karpenter too much. In-place resizing is just about adding resources without having to restart your applications. Karpenter's main job is to monitor the nodes and see if they have enough space for new workloads. So, I don't think there's really a link between the two.

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