Professional Cloud DevOps Engineer
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A DevOps team manages a fleet of GKE Standard clusters hosting mission-critical stateful workloads with long-lived active client connections. Following a blameless post-mortem regarding an outage during automated node patching and upgrades, the team discovered that GKE terminated pods when PodDisruptionBudget (PDB) constraints exceeded the default 1-hour timeout, and the team had no automated mechanism to validate workload stability before old nodes were deleted.
Which node pool upgrade configuration should the team implement to prevent forced pod terminations and enable rollback capabilities if anomalies occur?
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