Limitations

• Connection Limits: The maximum concurrent connections applicable is based on total cluster memory. The connection limit is based on: (RAM in GB − 2 GB system reserve) ÷ 2 = max connections (in thousands).

• CPU: The total upper limit for CPU cores depends on your quota. A single instance cannot exceed 31 cores.

• RAM: The total upper limit for RAM depends on your quota. A single instance cannot exceed 230 GB.

• Storage: The upper limit for storage size is 4 TB.

• Backups: Storing cluster backups is limited to the last 7 days. Deleting a cluster also immediately removes all backups of it.

• IP Ranges: The following IP ranges cannot be used with our MongoDB services:

  • 172.16.0.0/12

  • 192.168.230.0/24

Note: To scale resources in the Enterprise edition, contact IONOS Cloud Support.