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Restore the prior model with compatible data handling: What must accompany the rollback decision?

AIGP Understanding How to Govern AI Development Medium

Rollback is safe only when the earlier model can correctly process current data through validated compatibility handling.

The question

An employment-screening model is rolled back after a serious update defect. The prior model expects the earlier feature schema, while recent records use a revised schema. What must accompany the rollback decision?

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  1. Restore the prior model and discard incompatible records.
    Discarding records may destroy needed evidence and does not address continuity or compatibility for screening operations.
  2. Restore the prior model with compatible data handling. ✓
    A safe rollback requires confirming schema compatibility, conversion or routing procedures, and validation of resulting screening inputs.
  3. Keep the defective update until all records are manually reprocessed.
    Continuing a known defective version prolongs exposure when rollback is otherwise available and technically manageable.
  4. Roll back first and assess data compatibility after production resumes.
    Resuming before compatibility assessment could produce invalid screening results or silent processing errors in employment decisions.
The trap
Rollback is not merely selecting an earlier version; verify its inputs, outputs, and operational interfaces.

How to remember it

Rollback is safe only when the earlier model can correctly process current data through validated compatibility handling.

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