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    Database Autonomy Service:2023

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    Database Autonomy Service:2023

    Last Updated:Jun 18, 2026

    Release notes for Database Autonomy Service (DAS) in 2023, with links to relevant documentation.

    December 2023

    Database engine

    Feature

    Description

    Release date

    References

    MongoDB

    Storage analysis

    The storage analysis feature is supported for ApsaraDB for MongoDB instances, allowing you to recycle tablespace fragments.

    2023-12-22

    Storage analysis

    MongoDB

    Diagnostic reports

    The diagnostic report feature is supported for ApsaraDB for MongoDB instances.

    2023-12-22

    Diagnostics reports

    ApsaraDB RDS for SQL Server

    Missing index query

    The GetInstanceMissingIndexList operation is added for querying the missing indexes.

    2023-12-13

    GetInstanceMissingIndexList

    ApsaraDB RDS for SQL Server

    Lock optimization

    API operations for the lock optimization feature are added.

    2023-12-13

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    Storage analysis

    API operations for the storage analysis feature are added.

    2023-12-08

    September 2023

    Database engine

    Feature

    Description

    Release date

    References

    Redis

    Latency insight

    For a cluster or read/write splitting instance, you can view the statistics of Data Node and Proxy Node.

    2023-09-20

    Latency insights

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    The new version of the SQL Explorer and Audit feature is supported in regions including China (Heyuan) and China (Ulanqab).

    2023-09-10

    August 2023

    Database engine

    Feature

    Description

    Release date

    References

    MongoDB

    Instance session management

    The GetMongoDBCurrentOp operation is added for querying the sessions of an ApsaraDB for MongoDB instance.

    2023-08-15

    GetMongoDBCurrentOp

    ApsarsDB RDS for MySQL

    Parameter diagnostics

    The parameter diagnostics feature is supported for ApsaraDB RDS for MySQL instances. You can view static parameter diagnostics results and parameter modification history within the previous seven days.

    2023-08-07

    Parameter diagnostics

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    • The new version of the SQL Explorer and Audit feature is supported in regions including China (Qingdao) and China (Guangzhou).

    • SQL Explorer and Audit data can be migrated from the previous version to the new version for database instances in the China (Qingdao), China (Guangzhou), China (Zhangjiakou), China (Hong Kong), and Singapore regions.

    2023-08-02

    July 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    • The new version of the SQL Explorer and Audit feature is supported in regions including China (Hangzhou), China (Hong Kong), and Singapore.

    • SQL Explorer and Audit data can be migrated from the previous version to the new version for database instances in the China (Hangzhou) and China (Shenzhen) regions.

    2023-07-20

    ApsaraDB RDS for MySQL

    Automatic space expansion

    The automatic space expansion feature is supported for ApsaraDB RDS for MySQL Basic Edition instances that use standard SSDs or enhanced SSDs (ESSDs).

    2023-07-06

    Automatic space expansion

    June 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    SQL Explorer and Audit data can be migrated from the previous version to the new version for database instances in the China (Beijing) region.

    2023-06-26

    May 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    The new version of the SQL Explorer and Audit feature is supported.

    2023-05-29

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the SQL Explorer and Audit feature

    API operations for the new version of the SQL Explorer and Audit feature are added.

    2023-05-26

    GetDasSQLLogHotDat

    ApsaraDB RDS for MySQL, PolarDB for MySQL, ApsaraDB MyBase for MySQL, and ApsaraDB RDS for PostgreSQL

    Query governance

    API operations for the query governance feature are added.

    2023-05-26

    April 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the performance insight feature

    API operations for the new version of the performance insight feature are added.

    2023-04-28

    ApsaraDB RDS for MySQL

    Automatic space expansion

    The automatic space expansion feature is supported for ApsaraDB RDS for MySQL Cluster Edition instances.

    2023-04-19

    Automatic space expansion

    ApsaraDB RDS for MySQL, PolarDB for MySQL, ApsaraDB MyBase for MySQL, and ApsaraDB RDS for PostgreSQL

    Query governance

    The query governance feature is supported in the China (Hong Kong) and Singapore regions.

    2023-04-01

    Query governance

    March 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for SQL Server

    Automatic space expansion

    The automatic space expansion feature is supported for ApsaraDB RDS for SQL Server database instances. DAS monitors instance storage space and automatically expands it when space is insufficient.

    2023-03-28

    Automatic space expansion

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    Instance session management

    API operations for the instance session management feature are added.

    2023-03-09

    February 2023

    Database engine

    Feature

    Description

    Release date

    References

    PolarDB for PostgreSQL

    SQL Explorer and Audit

    The SQL Explorer and Audit feature is supported for PolarDB for PostgreSQL clusters.

    Important

    • PolarDB for PostgreSQL clusters do not support DAS Professional Edition. The SQL Explorer and Audit feature is based on the SQL Explorer feature provided by PolarDB for PostgreSQL. Enabling this feature incurs charges in your PolarDB for PostgreSQL cluster.

    • From February 24, 2023, DAS supports the SQL Explorer and Audit feature for PolarDB for PostgreSQL clusters.

    2023-02-24

    SQL Explorer and Audit

    ApsaraDB RDS for MySQL and PolarDB for MySQL

    New version of the performance insight feature

    The new version of the performance insight feature is available in the following regions: China (Qingdao), China (Zhangjiakou), China (Hong Kong), Singapore, Malaysia (Kuala Lumpur), and Indonesia (Jakarta).

    2023-02-07

    Performance insight (new version)

    January 2023

    Database engine

    Feature

    Description

    Release date

    References

    ApsaraDB RDS for MySQL, ApsaraDB MyBase for MySQL, ApsaraDB for Redis, ApsaraDB RDS for PostgreSQL, and PolarDB for MySQL

    Event subscription

    The GetEventSubscription operation is added for querying the event subscription settings of a database instance.

    2023-01-12

    GetEventSubscription

    ApsaraDB RDS for MySQL, ApsaraDB MyBase for MySQL, ApsaraDB for Redis, ApsaraDB RDS for PostgreSQL, and PolarDB for MySQL

    Event subscription

    The SetEventSubscription operation is added for configuring the event subscription settings of a database instance.

    2023-01-10

    SetEventSubscription

    ApsaraDB RDS for MySQL, PolarDB for MySQL, and ApsaraDB for Redis

    Auto scaling

    API operations are added to modify and query the auto scaling settings of a database instance.

    2023-01-09