Upgrade and Maintenance

IONOS Cloud updates and patches your In-Memory DB instance to achieve high standards of functionality and security. This includes minor patches for In-Memory DB and patches for the underlying operating system. Generally, these updates are unnoticeable and do not interrupt your operation. However, occasionally, IONOS restarts your In-Memory DB instance to allow the changes to take effect.

Prerequisites

  • Prepare for a downtime during the version upgrade.

  • Ensure the instance has enough available storage. While the upgrade is space-efficient (because it does not copy the data directory), some temporary data is written to the disk.

Note:

  • Updates to a new minor version are always backward compatible. Such updates are done during the maintenance window with no additional actions from your end.

  • Failure to configure persistence for a single instance might result in data loss.

Currently, IONOS DBaaS only supports minor upgrades for In-Memory DB. All changes that may cause service interruption (like upgrades) are executed within the maintenance window, which is a weekly four-hour window. During the maintenance window, you may experience uncontrolled disconnections and an inability to connect to the In-Memory DB instance. Such disconnections are destructive for any ongoing transactions and we recommend that you reconnect.

You can configure a maintenance window during the In-Memory DB instance creation using the same API request. For more information, see Create an In-Memory DB Instance. You can also configure one when you modify the existing In-Memory DB instance. For more information, see Modify an In-Memory DB Instance.

The following code schedules automatic maintenance every Monday at 16:30:59:

"maintenanceWindow":{
         "time":"16:30:59",
         "dayOfTheWeek":"Monday"
      },

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