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Microsoft SQL Server Notification Services has three types of performance objects: component, application, and instance. These objects contain counters for monitoring performance at different levels of an instance of Notification Services.
- Component-level objects monitor the state of the components on the local server. You cannot use these objects to monitor a single application on a multiple-application instance or to monitor an entire instance if the instance is scaled-out across multiple servers.
- Application-level objects monitor the status of a Notification Services application by querying the application database, and can be used on servers that run the NS$instance_name service.
- Instance-level objects monitor subscriber activity by querying the instance database, and can be used on servers that run the NS$ instance_name service.
Component-Level Objects
Notification Services provides the following component-level performance objects that monitor their components on the local server:
| Topic | Description |
|---|---|
Provides information about one or all delivery channels on the local server. |
|
Provides information about one or all distributors on the local server. |
|
Provides information about one or all event providers on the local server. |
|
Provides information about the generator component on the local server. |
Application-Level Objects
The following application-level objects query the application databases, and can be used on any server that runs a Notification Services engine. However, the counter data reflects only the activity that takes place on the local server.
| Topic | Description |
|---|---|
Provides information about events for an application. |
|
Provides information about notifications created by an application. |
|
Provides information about the subscriptions for an application. |
|
Provides information about the application vacuuming process. |
Instance-Level Objects
The following instance-level object queries the instance databases, and can be used on any server that that runs a Notification Services engine. However, the counter data reflects only the activity that takes place on the local server.
| Topic | Description |
|---|---|
Provides information about the subscribers for an instance of Notification Services. |
See Also
Concepts
Choosing Monitoring Tools
Notification Services Performance Reports
Using Performance Logs and Alerts