DB veteran Craig Mullins: recovery beats backup, and test envs must match production scale
craigmullins · x · 2026-09-15
- Entries 7 and 8 of Craig Mullins' database lessons: having backups doesn't mean you can recover — can you restore the right data to the right point in time within the business window, and have you tested it? An untested recovery strategy is hope.
- On scale: SQL that flies at 50,000 rows can collapse at 5 billion; test environments should approximate production volume, distribution, skew, and workload — functional testing alone isn't enough.
Related event: Veteran DBA: Recovery Beats Backup, and Bad Designs Linger for Decades(2 posts)→
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