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TeamEmail
wen@example.com
We need a rollback plan for the payments schema change before Thursday.
Drafted it. The change is expand-only, so rollback is redeploying the previous build; no data restore needed.
What about the backfill?
The backfill is idempotent and checkpointed every 10,000 rows. Stopping it leaves old and new columns in sync via a dual write.