Roughly a third of our CI failures are flakes. How do you run a quarantine programme that does not become a graveyard?

Quarantine is a holding cell with an expiry date, not a landfill. Per-test flake rates, entry evidence, an enforced expiry review, and the cap that turns fixing into priority.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Quarantine is a holding cell with an expiry date, not a landfill. Per-test flake rates, entry evidence, an enforced expiry review, and the cap that turns fixing into priority.

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