Postmortem: An Unbound Cache Key Certified a Stale Completion
This story is from 2026-10-10. It is preserved in the archive; the latest stories are on the live feed.
An unbound completion cache can certify the wrong model revision. The key left out the server image digest and the prompt hash. Green tests then approved a patch built for an older contract. This note reconstructs that lab failure class for review practice. It does not claim a dated production outa…
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- 2026-10-10 18:37 · DEV Community — AI
Postmortem: An Unbound Cache Key Certified a Stale Completion