convex-migrations

To add a new field to a Convex schema without downtime, apply backward-compatible migration patterns that batch backfill existing data, track progress via optional migration tables, and promote the new field once complete.

The safest way to backfill data in Convex is using batched data processing to minimize latency and avoid timeouts, while tracking progress through indexed migration tables to ensure full visibility and reliability.

You can remove deprecated fields from a Convex database safely by following zero-downtime deployment workflows that ensure backward compatibility, preventing existing data from breaking during the schema evolution process.

Yes, Convex supports zero-downtime index migrations by applying indexed migrations with progress tracking, ensuring visibility and reliability across projects without disrupting production workloads.

Convex schema migrations cause timeouts when backfilling if data is processed in large, unbatched transactions; using batched data backfilling minimizes latency and avoids these timeout issues.