Kubernetes Pod Churn & Node Thrashing: Ephemeral Storage Exhaustion and Eviction Cascades
When background worker pods continuously write temporary scratch files, un-rotated log buffers, or dynamic assets directly to container filesystems without explicit ephemeral storage limits, worker nodes quietly enter local disk pressure states. The kubelet then triggers aggressive pod evictions, sparking cluster-wide pod churn, Karpenter/Cluster Autoscaler thrashing, and AWS bill inflation. Here…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.
