Logical Replication for Migrations: Zero-Downtime Postgres Upgrades in 2026
📰 Dev.to · Gabriel Anhaia
Learn how to perform zero-downtime Postgres upgrades using logical replication, avoiding common traps that can turn a 20-minute process into 6 hours
Action Steps
- Configure logical replication on the primary Postgres database
- Create a sequence-bump script to handle sequence updates
- Apply the script to the standby database
- Test the replication process to ensure data consistency
- Run the upgrade on the primary database while the standby takes over
Who Needs to Know This
Database administrators and DevOps engineers benefit from this knowledge to ensure seamless upgrades without disrupting service, while developers can also learn from the process to improve overall system reliability
Key Insight
💡 Logical replication enables zero-downtime upgrades by allowing the standby database to take over while the primary is upgraded
Share This
💡 Zero-downtime Postgres upgrades with logical replication! Avoid 6-hour traps with our 5-step playbook
Key Takeaways
Learn how to perform zero-downtime Postgres upgrades using logical replication, avoiding common traps that can turn a 20-minute process into 6 hours
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