Upgrade the minor version of an ApsaraDB for MongoDB instance

Precautions

• You cannot downgrade an instance after you upgrade it.
• When an instance undergoes a minor version upgrade, it is restarted and has a brief disconnection of less than 30 seconds. We recommend that you perform the upgrade during off-peak hours or make sure that your application is configured to reconnect to the instance after it is disconnected.
• To ensures better performance and stability of the instance, the system will upgrade the minor version to the latest version by default If the minor version of your instance expires or is not included in the maintenance list and the instance is upgraded, migrated, changed, Created from a backup, Created by point-in-time, or performed Restore data to a new ApsaraDB for MongoDB instance.

Procedure

1. Log on to the ApsaraDB for MongoDB console.
2. In the upper-left corner of the page, select the region where the target instance resides.
3. In the left-side navigation pane, click Replica Set Instances or Sharding Instances.
4. Find the target instance and click its ID.
5. On the Basic Information page, click Upgrade Minor Version.
   

   Note When you use the latest minor version, the console does not display the Upgrade Minor Version button for the instance.
6. In the Upgrade Minor Version message that appears, view the version release log and determine whether to upgrade the instance.
   

   Note If you want to upgrade the instance, click Submit. Otherwise, click Close.
7. Wait until the instance status changes from Upgrading to Running.