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Ooops... I Deleted the Whole Production Table. What Did I Learn From It?

Talkat hayaData 2024 · on Tuesday, 2024-09-24· [data-engineering, observability]
slides:none on file

At 6pm a mistaken rm removes an entire production table with no backup; the team builds a modular backfill pipeline that bypasses CDC, scans the source and streams rows into the target, and restores service in under half a day (about six hours to get machines back). Key takeaways: immediately stop further damage, keep data-recovery playbooks and separation of logic so emergency code is usable, and code as if you will delete production.

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