This topic describes how to use the performance insight feature. PolarDB-O provides the diagnosis feature that integrates certain functions of Database Autonomy Service (DAS) and allows you to use the performance insight feature. You can use the performance insight feature to evaluate database loads and identify the root causes of performance issues. This helps you improve database stability.
Background information
The performance insight feature collects and analyzes data from the following sources:
- If the performance_schema database is used for the target instance, the feature collects and analyzes the data stored in the performance_schema database.
- If the performance_schema database is not used for the target instance, the feature collects and analyzes the active session data.