# Monitoring

Monitoring is used to view and manage the information and data of the running EMQX cluster. Expand the **Monitoring** on the Dashboard's left navigation menu, where you will find the following submenus:

- **[Cluster Overview](./dashboard.md)**: Provides a centralized display of connections, subscriptions, node information, and system metrics of the EMQX cluster.
- **[Clients](./connections/connections.md)**: Detailed information and metrics about client connections and sessions.
- **[Subscriptions](./subscriptions/overview.md)**: Basic information about subscriptions and topics for clients connected to EMQX.
- **[Namespace](./namespace.md)**: Displays statistics related to namespaces, including message traffic and rule execution metrics.
- **[Retained Messages](./retained.md)**: All retained messages currently in the system.
- **[Delayed Publish](./delay-pub.md)**: Information about messages for delayed publishing and configure the Delayed Publish functionality.
- **[Alarms](./alarm_dashboard.md)**: Current and historical system alarm information.