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Cluster upgrades and node maintenance windows are a fact of life in Kubernetes—but losing data or availability because of unplanned pod evictions doesn't have to be. This guide walks through the exact PDB configuration mistakes that take down production workloads, covers real incident scenarios, and gives you a repeatable framework for setting disruption budgets that actually hold up.
eBPF-based monitoring tools are making some bold promises about replacing your Prometheus and Grafana setup. Before you rip anything out, let's look at the real technical trade-offs, what the benchmarks actually show, and how to figure out if migrating makes sense for your specific cluster.
Most enterprise DevOps teams assume their Kubernetes clusters are running lean—until the cloud bill lands and the math stops making sense. From bloated resource requests to zombie persistent volumes quietly racking up charges, the waste is real and it's fixable. Here's where to look and how to claw that money back.