# Changing Engines Mid-Flight — PostgreSQL Zero-Downtime Data Migration

> Data migration typically involves stopping services for updates. Zero-downtime data migration is a relatively advanced operation.

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LLMS index: [llms.txt](/llms.txt)

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Data migration typically involves stopping services for updates. Zero-downtime data migration is a relatively advanced operation. [**Read more**](https://vonng.com/en/pg/migration-without-downtime/)