System Monitoring Plug-in Metric Reference Manual for Non Oracle Database Management Microsoft SQL Server Metrics Cluster Active Group and Node Cluster Active Group and Node The metrics in this category provide details about the cluster active group and the node. For Microsoft SQL Server 2008/2012/2014/2016 Default Collection Interval — Every 30 minutes Table 1-10 Cluster Active Group and Node Metrics Metric Description Active Group (key column) Name of the active group. Node (key column) Name of the node. Cluster Server Name Name of the cluster server.