Subscribing to Event Notifications

After subscribing to GaussDB(DWS) event notification, you will receive notifications by text message, email, or application when management, monitoring, or security events occur in a specific cluster or snapshot.

Creating a Subscription

Log in to the GaussDB(DWS) management console.
In the navigation tree on the left, choose Management > Events.
On the Event Management page, choose Subscription > Create Subscription.

In the Subscription Settings area, set basic subscription information and event filtering.

The Subscribed Event List area displays the events filtered by the system based on the subscription settings.

**Table 1** Subscription parameters
Parameter	Description
Notification	Enable or disable event subscription. After notification is disabled, the system stops sending notifications of subscribed events but does not delete the subscription.
Subscription Name	Enter the name of a subscription. The name can contain letters (upper or lower case), digits, hyphens (-), and underscores (_) and must start with a letter or digit. The name must be between 1 and 256 characters in length.
Event Type	Select the type of the event to be subscribed. Possible values are Management, Monitoring, and Security.
Event Severity	Select the alarm severity of the event. Possible values are Normal and Warning.
Event Source Category	Select the event source category: cluster, snapshot,.

Select a message notification topic from the Message Notification Topic drop-down list.
- The selected topic must have granted GaussDB(DWS) the permission to publish messages to the topic.
  If GaussDB(DWS) has not been authorized to publish messages to the selected topic, go to the topic management page of the SMN console to configure topic authorization. For details, see Topic Management > Configuring Topic Policies in the Simple Message Notification User Guide. When configuring the topic policy, select GaussDB(DWS) for Services that can publish messages to this topic.
- To create a topic, click Create Topic. The SMN console is displayed. For details, see Topic Management > Creating a Topic in the Simple Message Notification User Guide.
Click OK to complete the subscription.

Modifying the Subscription

Choose Management > Events and click Subscriptions.
In the Operation column of the row containing the specified subscription, click Edit to enter the Edit Subscription page.
On the Edit Subscription page, set the parameters to be modified. For details, see 4 to 6 in section "Creating a Subscription".

Deleting the Subscription

Choose Management > Events and click Subscriptions.
In the Operation column of the row containing the specified subscription, click Delete. The Delete Subscription dialog box is displayed.
Click Yes to delete the subscription.