Time Series DB The OpenNMS Time Series DB is a cloud-hosted service that provides a scalable time series database to store and persist performance metrics that Meridian collects from the devices it monitors. Requirements Meridian 2023+. A Time Series DB subscription, which provides access to the OpenNMS Portal to retrieve your activation key and view Time Series DB metrics. Contact sales@opennms.com to sign up for the Time Series DB. Deployment For information on deployment, see the Meridian documentation. View time series summary data You can view time series summary data including health status, capacity, and metrics per second in the OpenNMS Portal. By default, the screen displays data for all Meridian instances that you have configured to use the Time Series DB. You can filter to see data for a specific instance. Sign in to the OpenNMS Portal with your username and password. In the left navigation menu, click Time Series DB. To see summary data for a specific instance, type an instance name in the Search Instances field. The screen updates to display only that instance and its associated summary data. Security and Firewall Rules Portal Administration