Upgrade Postgres! - Lætitia AVROT

Upgrade Postgres!

• Postgres 16 is a significant update with improved performance and security.
• If you’re running a version older than Postgres 10, consider upgrading ASAP.
• The best tool to upgrade is your own brain, followed by available tools like pg_upgrade and pg_dump_all.
• Minor upgrades occur at least once a quarter and are about bug fixes and security fixes.
• Major upgrades happen once a year, requiring more planning and downtime.
• It’s recommended to read the release notes before upgrading.
• Downtime can be minimized with near-zero downtime migration methods.
• You’ll need to rebuild indexes and reindex concurrently after an upgrade.
• Logical replication can be tricky to set up, especially with Postgres 8.3.
• It’s essential to keep your databases synchronized and ensure data integrity.
• Upgrade path for large datasets can be complex, requiring careful planning and testing.
• The community is always open to feedback and contributions to improve Postgres.
• Consider giving back to the community by reviewing patches and providing feedback.