# Key Features

- [Session History](/manual/features/key-features/session-history.md): Datasentinel periodically samples active sessions, enabling in-depth analysis of your workload.
- [Top Queries](/manual/features/key-features/top-queries.md): The Top Queries feature allows you to identify the most consuming queries according to a chosen dimension.
- [Top Tables](/manual/features/key-features/top-tables.md): Datasentinel facilitates hourly collection of relations, supporting a Dimension-Based Analysis approach
- [Lock Explorer](/manual/features/key-features/lock-explorer.md): Lock explorer makes it easy to identify blocking sessions during blocked session issues, along with the associated queries and locks.
- [Cluster & System Metrics](/manual/features/key-features/cluster-and-system-metrics.md): Datasentinel gathers real-time PostgreSQL cluster metrics on a minute-by-minute basis, alongside database-specific measures encompassing transactions, cache hits, IO operations, among others.
- [Live360](/manual/features/key-features/live360.md): Datasentinel offers a direct connection feature to PostgreSQL instances, enabling real-time retrieval of information.
- [Reporting](/manual/features/key-features/reporting.md): The reporting feature allows you to define different types of activity reports for analysis purposes
- [Alerting](/manual/features/key-features/alerting.md): The alerting functionality empowers you to effectively oversee your PostgreSQL instances, enabling prompt notifications in the event of any issues.
- [Settings](/manual/features/key-features/alerting/settings.md)
- [Templates](/manual/features/key-features/alerting/templates.md): Defining notification templates is the next step after enabling Alerting at the platform level.
- [Silences](/manual/features/key-features/alerting/silences.md): Activating a silence period deactivates the alerting mechanism for one or multiple instances. This proves particularly beneficial during maintenance tasks.
- [Manager](/manual/features/key-features/alerting/manager.md): Various methods exist for both viewing and managing notifications.