This metric shows the total number of SQL [client connections]({% link {{ site.current_cloud_version }}/show-sessions.md %}) across the cluster.
Refer to the [Sessions page]({% link cockroachcloud/sessions-page.md %}) for more details on the sessions.
This metric also shows the distribution, or balancing, of connections across the cluster. Review [Connection Pooling]({% link {{ site.current_cloud_version }}/connection-pooling.md %}).