Database Autonomy Service (DAS) provides a global real-time monitoring dashboard. This allows you to view the performance metrics of all database instances that are connected to DAS in real time. During a business peak period or a major business change, you can use this dashboard to check the health status of your databases in real time.

Prerequisites

The database instances that you want to manage are connected to DAS and are in the Accessed state.
For more information about how to connect a database instance to DAS, see the following topics:

Procedure

  1. Log on to the DAS console.
  2. In the left-side navigation pane, click Real-time Monitoring Dashboard.
    Note The Real-time Monitoring Dashboard page provides real-time monitoring data of all database instances in the Accessed state. The page is automatically refreshed.
  3. In the upper-left corner of the page, select the database type that you want to view. In the upper-right corner of the tab that appears, click Metric Description to view the description of each metric. The following table lists the metrics of MySQL instances.
    Metric Description
    QPS The number of SQL statements executed per second.
    TPS The number of write operations performed per second. Write operations refer to INSERT operations, DELETE operations, and UPDATE operations.
    Current Conn The total number of connections on the current database instance.
    Active Conn The number of active connections to the database instance.
    Conn Usage(%) The percentage of the total number of connections in relation to the allowable maximum number of connections to the database instance.
    Network In(KB) The inbound traffic to the database instance per second.
    Network Out(KB) The outbound traffic from the database instance per second.
    Buffer Hit Ratio(%) The hit ratio of the InnoDB buffer pool.