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Important
Azure Cosmos DB for PostgreSQL is on a retirement path and no longer recommended for new projects. Instead, use one of these two services:
For PostgreSQL workloads: use the Elastic Clusters feature of Azure Database For PostgreSQL to use the horizontal scale-out and distributed PostgreSQL features contained within the open source Citus extension. For migration guidance, see migrate to Azure Database for PostgreSQL with Elastic Cluster.
For NoSQL workloads, use Azure Cosmos DB for NoSQL for a distributed database solution that includes a 99.999% availability service level agreement (SLA), instant autoscale, and automatic failover across multiple regions.
Resource metrics are available for every node of a cluster, and in aggregate across the nodes.
View metrics
To access metrics for a cluster, open Metrics under Monitoring in the Azure portal.
Choose a dimension and an aggregation, for instance CPU percent and Max, to view the metric aggregated across all nodes. For an explanation of each metric, see here.
View metrics per node
Viewing each node's metrics separately on the same graph is called splitting. To enable splitting, select Apply splitting, and then select the value by which to split. For nodes, choose Server name.
The metrics will now be plotted in one color-coded line per node.
Next steps
- Review Azure Cosmos DB for PostgreSQL monitoring concepts.