This topic provides the release notes for Database Autonomy Service (DAS) and provides links to relevant references.

July 2021

Database engine Feature Description Release date References
PostgreSQL SQL Explorer The health status of SQL statements can be diagnosed to help you troubleshoot performance issues. 2021-07-16 SQL Explorer

June 2021

Database engine Feature Description Release date References
Redis Key analysis Hot keys and big keys in database instances can be identified. 2021-06-12 Enable key analysis

April 2021

Database service Feature Description Release date References
ApsaraDB RDS for MySQL and ApsaraDB PolarDB MySQL-compatible edition Identification of duplicate indexes Duplicate indexes in ApsaraDB RDS for MySQL instances and ApsaraDB PolarDB MySQL-compatible edition instances can be identified. 2021-04-15 Storage analysis
ApsaraDB RDS for MySQL and ApsaraDB PolarDB MySQL-compatible edition Identification of potential overflows for auto-increment primary keys Potential overflows for auto-increment primary keys in ApsaraDB RDS for MySQL instances and ApsaraDB PolarDB MySQL-compatible edition instances can be identified. 2021-04-15 Storage analysis

February 2021

Database engine Feature Description Release date References
MySQL and PostgreSQL Storage analysis The storage usage of a database instance and the number of days that the remaining storage space is available can be viewed. You can also view information about each table in a database, such as storage usage, tablespace fragments, and diagnostic reports on storage anomalies. 2021-02-27 Inspection and scoring
MySQL Automatic recycling of tablespace fragments Tablespace fragments can be automatically identified and recycled during a maintenance window if you enable the automatic recycling feature. This helps improve database performance and reduce storage costs. 2021-02-01 Automatic space fragments recycling

January 2021

Database engine Feature Description Release date References
MySQL Auto storage scaling for ApsaraDB RDS for MySQL High-availability Edition instances The storage capacity of ApsaraDB RDS for MySQL High-availability Edition instances can be automatically increased to handle traffic spikes. 2021-01-27 Automatic performance scaling
MySQL Intelligent stress testing Stress testing can be performed on your database instance. This feature helps you check whether your database instance needs to be scaled up to handle traffic spikes in an effective manner. 2021-01-01 Intelligent Stress Testing
MySQL Automatic parameter tuning Parameter tuning can be automatically performed on your database instance. This feature uses machine learning algorithms to recommend optimal values for parameters based on the workloads and specifications of your database instance. 2021-01-01 Automatic parameter tuning