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If you find that your RDS PostgreSQL instance is stuck in the “Starting” state after a minor version upgrade, it can be concerning. While I don’t have specific details on every case, I can offer some simple steps and advice to help you handle this situation.
First, understand that when an instance takes a long time to start, it could be performing recovery operations. This can happen especially after stopping and restarting the database following an upgrade. Without access to detailed system logs, it’s hard to tell the exact reason, but patience is often needed during these recovery processes.
If your RDS instance remains stuck and you can’t make changes through the console, your options are limited. Usually, the instance needs to finish its internal processes before it becomes responsive again. There’s no quick way to force it to change states, so the best approach is to wait. If it stays stuck for several hours, it’s recommended to restore your database from a snapshot taken before the upgrade. This allows you to recover your data and try the upgrade again more cautiously.
For future upgrades, there are some best practices to keep in mind to minimize issues:
- Plan the upgrade during low-traffic times, like a scheduled maintenance window.
- Don’t stop the instance immediately after completing the upgrade; give it time to stabilize and verify that everything is working properly first.
- Consider using RDS Extended Support if you need more time for testing and planning. This service prevents automatic upgrades until after the standard support timeline.
- Always take a manual snapshot of your database before starting any upgrade. This provides a safe backup option.
- Test your database connection and application functions on a staging environment before performing the upgrade on your production database.
During minor version upgrades, using AWS SDKs with exponential backoff and jitter can help handle temporary connection issues smoothly. Since your support level is Basic, you won’t have direct access to technical support. In case the database remains stuck for an extended period, restoring from your pre-upgrade snapshot is a reliable backup plan.
To avoid similar issues in the future, giving your instance time to fully restart and stabilize after an upgrade can help prevent it from getting stuck again. Patience and proper planning are key.
For more detailed guidance, you might want to review official AWS documentation on PostgreSQL upgrades: Performing a minor version upgrade – Amazon Aurora.
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