Unverified50% confidenceSolutionExact time
For long backfills on large tables, if they fail midway due to a dropped connection, lock timeout or lagging replica, the migration should be made safe to re-run, using idempotent backfills (copying rows whose target is still empty) and retries with backoff and jitter, rather than rolling back.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
Sources
Database Migrations That Can Roll Back at 2 AM
rss10/16/2026
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