Migration on Vonnghttps://vonng.com/en/tags/migration/Recent content in Migration on VonngHugo -- gohugo.ioenrh@vonng.com (Ruohang Feng)rh@vonng.com (Ruohang Feng)© 2025 Ruohang FengThu, 30 Jan 2020 00:00:00 +0000Online PostgreSQL Column Type Migrationhttps://vonng.com/en/pg/migrate-column-type/Thu, 30 Jan 2020 00:00:00 +0000rh@vonng.com (Ruohang Feng)https://vonng.com/en/pg/migrate-column-type/How to modify PostgreSQL column types online? A general approachChanging Engines Mid-Flight — PostgreSQL Zero-Downtime Data Migrationhttps://vonng.com/en/pg/migration-without-downtime/Tue, 06 Feb 2018 00:00:00 +0000rh@vonng.com (Ruohang Feng)https://vonng.com/en/pg/migration-without-downtime/Data migration typically involves stopping services for updates. Zero-downtime data migration is a relatively advanced operation.