Daily Reports

Scenarios

You can start a diagnosis for your DB instance and subscribe to diagnosis reports.

• Starting a Diagnosis: You can perform an overall health diagnosis on your instance and view details of the current and historical diagnosis reports.
• Subscribing to Diagnosis Reports: Simple Message Notification (SMN) can send diagnosis exception reports to the preset email address so that you can learn about the overall health status of your instance in real time.

Starting a Diagnosis

1. Log in to the management console.
2. Click in the upper left corner of the page and choose Databases > Relational Database Service.
3. On the Instances page, click the DB instance name.
4. In the navigation pane, choose DBA Assistant > Historical Diagnosis.
5. Click the Daily Reports tab.
6. Click Start Diagnosis. Select a time range for the diagnosis. The time span is within one day.
7. In the Diagnosis Dimensions area, click Slow SQL Analysis, All SQL Analysis, or Performance & Storage to view diagnosis report details.
8. You can also view historical diagnosis reports or download a report to your local PC.
   • To view historical diagnosis reports, click View History in the upper right corner of the page.
   • To download a report to your local PC, click Download in the upper right corner of the page.

Subscribing to Diagnosis Reports

1. On the Instances page, click the DB instance name.
2. In the navigation pane, choose DBA Assistant > Historical Diagnosis.
3. Click the Daily Reports tab.
4. In the upper right corner of the page, click Subscribe and set subscription parameters. For details about the parameters, see Table 1.

   Table 1 Subscription parameters

   Parameter	Description
   Subscription	Select By topic or By email.
   Topics	A topic is used to publish messages and subscribe to notifications. It serves as a message transmission channel between publishers and subscribers.
   Email Addresses	If you select By email for Subscription, you need to specify Email Addresses. An email will be sent to the specified email address only when risks are identified after a diagnosis is performed. You can enter up to 15 email addresses and separate each email address with a semicolon (;).

5. Click OK.
6. If you want to unsubscribe from diagnosis reports, click Unsubscribe in the upper right corner of the page. In the displayed dialog box, confirm the information and click OK.