Updating the OS of a DB Instance

To improve database performance and security, the OS of an RDS for PostgreSQL instance needs to be updated timely.

Every time you upgrade the kernel version of your instance, RDS for PostgreSQL determines whether to update the OS and selects the right cold patch to upgrade the OS if necessary.

Updating the OS does not change the DB instance version or other information.

In addition, RDS for PostgreSQL installs hot patches as required to fix major OS vulnerabilities within the maintenance window you specified.

Parent topic: Instance Modifications

Previous topic: Changing the AZ of a Standby DB Instance

Next topic: Read Replicas

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