Ahmet Alp Balkan 12/28/2022

Why Kubernetes secrets take so long to update?

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This technical article investigates the reason behind the 60-90 second delay for Kubernetes to propagate updates to Secrets and ConfigMaps on mounted volumes. It clarifies that the default 'Watch' setting only governs how kubelet fetches object contents, not volume updates. The delay is due to the lack of a direct notification channel; volumes are only rebuilt during periodic pod syncs, which occur roughly every minute.

Why Kubernetes secrets take so long to update?

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