Key capabilities
- Process inputs locally without connecting to a cluster
- Start with a sample and review each result
- Explain modeled rules and unsupported behavior
- Export reviewable configuration and analysis
Kubernetes PDB & Rolling Update Calculator
Calculate PDB percentage rounding, healthy replica budgets and maintenance blockers. Separately calculate Deployment maxSurge and maxUnavailable and export configuration drafts.
Your configuration stays in this browser
No cluster access, kubectl execution or configuration uploads. Anonymous operation events contain only operation types and size/time buckets, never input values.
Maintenance / eviction budget
Deployment rolling update (separate model)
Start with a sample or enter your configuration, then run the tool.
Model boundaries
PDB constrains voluntary evictions, not Deployment rolling updates or involuntary failures. Calculates one workload and one PDB, using supplied healthy counts; does not simulate replacement readiness, quorum, overlapping PDBs, stale status or whole-node drain. Terminating Pods can exceed the rollout ceiling. Unhealthy-Pod policy does not increase this healthy-Pod budget.
About Kubernetes PDB & Rolling Update Calculator
Check eviction budgets and calculate rollout bounds separately. Calculate PDB percentage rounding, healthy replica budgets and maintenance blockers. Separately calculate Deployment maxSurge and maxUnavailable and export configuration drafts. The core workflow is designed to run in your current browser.
Useful for
- Review a proposed configuration before applying it
- Understand a result using a reproducible offline example
Frequently asked questions
Is Kubernetes PDB & Rolling Update Calculator free to use online?
Yes. Kubernetes PDB & Rolling Update Calculator opens in a modern browser and does not require desktop software installation.
What is Kubernetes PDB & Rolling Update Calculator useful for?
Common use cases include Review a proposed configuration before applying it; Understand a result using a reproducible offline example.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include Process inputs locally without connecting to a cluster, Start with a sample and review each result, Explain modeled rules and unsupported behavior; account, comments, and anonymous analytics may still create normal site requests.
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