---
title: "Discussion on \"Prevent Kubernetes Downtime During Maintenance: Use Pod Disruption Budgets (PDBs)\" | Hashnode"
description: "Discussion on \"Prevent Kubernetes Downtime During Maintenance: Use Pod Disruption Budgets (PDBs)\". You're doing a cluster upgrade. Or maybe someone drained a node for maintenance. Either way, your app goes down — even though you had replicas running. If this sounds familiar, the missing piece is al"
url: "https://hashnode.com/posts/prevent-kubernetes-downtime-during-maintenance-use-pod-disruption-budgets-pdbs/699fa9320e6688c072535110"
---

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# [Prevent Kubernetes Downtime During Maintenance: Use Pod Disruption Budgets (PDBs)](https://tarungampa.hashnode.dev/prevent-kubernetes-downtime-during-maintenance-use-pod-disruption-budgets-pdbs?utm_source=hashnode&utm_medium=feed)

You're doing a cluster upgrade. Or maybe someone drained a node for maintenance. Either way, your app goes down — even though you had replicas running. If this sounds familiar, the missing piece is al

Feb 26 · 3 min read · tarungampa.hashnode.dev  
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-   [#pdb](https://hashnode.com/tag/pdb)
-   [#kubernetes](https://hashnode.com/tag/kubernetes)
-   [#zero-downtime](https://hashnode.com/tag/zero-downtime)

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