Database Autonomy Service (DAS) provides the performance trend feature. You can view the performance trends within a specific time range, compare the trends of a performance metric within different time ranges, and customize trend charts. This topic describes how to use the performance trend feature.
Prerequisites
The database instance that you want to manage is connected to DAS and is in the Accessed state.
Procedure
Log on to the DAS console.
In the left-side navigation pane, click Instance Monitoring.
On the page that appears, find the database instance that you want to manage and click the instance ID. The instance details page appears.
In the left-side navigation pane, click Dashboard.
For a cluster or read/write splitting instance, view the performance trend overview for all nodes in the Nodes section.
On the Performance Trends tab, view the trend charts of metrics within a specific time range.
Click More Metrics and select the metrics that you want to view.
NoteClick the
icon to the right of a metric name to view details of the metric. Drag and select a time range in the trend chart of a metric and click Diagnose to analyze the trend of the metric within the selected time range.
On the Performance Trend Comparison tab, view the comparison of trends of a metric within different time ranges.
Click More Metrics and select the metrics for which you want to compare trends.
On the Custom Charts tab, create dashboards to display the metrics that you want to view. You can add multiple metrics to a dashboard. This facilitates troubleshooting and performance analysis.
Click Add Monitoring Dashboard. In the Create Monitoring Dashboard dialog box, enter a dashboard name and click OK.Dashboard Name
Click Add Node and Metrics. In the Select Metrics of Monitoring Chart dialog box, select the nodes and metrics that you want to view and click the
icon. Click OK.