convex-migrations

To evolve Convex database schemas without downtime, apply patterns for adding optional fields, backfilling data in batches, and updating code to read both old and new fields across deployment cycles.

The best way to backfill data for existing records in Convex is defining migration workflows that batch work and track progress, populating new fields without impacting live users.

Zero-downtime migration for adding new schema fields works by deploying code that reads both old and new fields, running a batched backfill, and then transitioning to the new schema safely.

You can remove fields from a Convex schema without service interruptions by gradually migrating to new schemas using zero-downtime patterns that preserve existing data during deployment.

To track progress during a large Convex data backfill, define migration workflows that explicitly batch work and monitor the transition state across evolving application deployments.