This topic describes the release notes for ApsaraDB RDS and provides links to the relevant references.
Updates in minor engine versions
Release notes in 2023
May
Database engine | Category | Feature | Description | Release date | References |
PostgreSQL | Performance improvement | Serverless | The automatic start and stop feature can be configured for serverless ApsaraDB RDS for PostgreSQL instances. The scaling policies of these RDS instances can be modified. | 05-18 | |
SQL Server | New feature | New minor engine version | The minor engine versions for RDS instances that run SQL Server 2016 are released. | 05-18 | |
SQL Server | New feature | New minor engine version | The minor engine versions for RDS instances that run SQL Server 2019 and SQL Server 2017 are released. | 05-16 | |
PostgreSQL | New feature | New minor engine version | Version 20230430 of AliPG is released.
| 05-16 | |
SQL Server | New feature | SQL Explorer and Audit | The SQL Explorer and Audit feature is supported in the autonomy services for ApsaraDB RDS for SQL Server instances. | 05-12 |
April
Database engine | Category | Feature | Description | Release date | References |
SQL Server | Performance improvement | Database restoration |
| 04-27 | |
MySQL | Performance improvement | Specification change | Manual storage reduction is supported for RDS instances that run MySQL on RDS Basic Edition or RDS High-availability Edition and use enhanced SSDs (ESSDs). | 04-21 | Reduce the storage capacity of an RDS instance that uses ESSDs |
MySQL | Performance improvement | Automatic storage expansion | Automatic storage expansion is supported for RDS instances that run MySQL on RDS Cluster Edition. | 04-19 | |
MySQL | Performance improvement | Specification change | The architecture of an RDS instance that runs MySQL can be changed between x86 and ARM. | 04-17 | |
MySQL | Performance improvement | Instances that run RDS Cluster Edition | RDS Cluster Edition is supported for RDS instances that run MySQL 5.7 or MySQL 8.0. An RDS cluster consists of one primary node and up to four secondary nodes to achieve high availability. Secondary nodes are readable. An RDS cluster is referred to as an RDS instance that runs RDS Cluster Edition. | 04-14 | |
MySQL | Performance improvement | Data replication mode | The MySQL group replication (MGR) mode is supported for RDS instances that run MySQL on RDS Cluster Edition. | 04-14 | |
MySQL | Performance improvement | RDS edition upgrade | The RDS instance that runs MySQL 8.0 or MySQL 5.7 and uses ESSDs can be upgraded from RDS High-availability Edition to RDS Cluster Edition. | 04-14 | Upgrade an ApsaraDB RDS for MySQL instance from RDS High-availability Edition to RDS Cluster Edition |
PostgreSQL | New feature | Fast restoration for individual databases and tables | The fast restoration feature for individual databases and tables is supported for ApsaraDB RDS for PostgreSQL instances that use cloud disks. This feature allows you to restore specific databases to the original ApsaraDB RDS for PostgreSQL instance by backup set or point in time. This feature can be used in scenarios when misoperations are performed and data needs to be quickly restored or when historical data needs to be analyzed. | 04-12 | |
PostgreSQL | New feature | New minor engine version | Version 20230330 of AliPG is released.
| 04-12 | |
PostgreSQL | Performance improvement | Specification change | The storage capacity of an RDS instance that uses cloud disks can be reduced by changing specifications. | 04-11 | |
PostgreSQL | New feature | Official release of serverless RDS instances | Serverless ApsaraDB RDS for PostgreSQL instances are a new deployment model for RDS instances equipped with cloud disks, allowing you to scale CPU and memory resources in real time. This deployment model allows pay-as-you-go billing for computing resources, and allows you to quickly and independently scale computing resources to adapt to fluctuating workloads. These benefits simplify rightsizing your RDS instances, helping you reduce costs and improve efficiency. | 04-10 | [Notice] Serverless ApsaraDB RDS for PostgreSQL instances are available for commercial use |
SQL Server | New feature | Task Center | Task Center is supported for ApsaraDB RDS for SQL Server. After you perform an operation on your RDS instance, you can view the progress of the task for the operation and details about historical tasks on the Task Center page. | 04-04 | |
MySQL | New feature | ARM architecture | The ARM architecture can be selected when you create an ApsaraDB RDS for MySQL instance. | 04-03 |
March
Database engine | Category | Feature | Description | Release date | References |
PostgreSQL | New feature | WAL log management | In ApsaraDB RDS for PostgreSQL, inactive replication slots can be deleted in the ApsaraDB RDS console or by calling API operations. This helps reduce the storage that is occupied by WAL logs. | 03-30 | |
MySQL | Performance improvement | High-frequency physical backup | The high-frequency physical backup feature is supported for RDS instances that run MySQL 8.0 on RDS High-availability Edition and uses local disks. This feature allows you to back up your RDS instance at a high frequency. | 03-29 | |
SQL Server | New feature | Use the automatic storage expansion feature for an ApsaraDB RDS for MySQL instance | The automatic storage expansion feature is supported for ApsaraDB RDS for SQL Server instances. You can use this feature to check the storage usage of an RDS instance. If the storage capacity of the RDS instance is insufficient, the system automatically expands the storage capacity of the instance. This ensures business stability. | 03-28 | Configure automatic storage expansion for an ApsaraDB RDS for SQL Server instance |
PostgreSQL | Performance improvement | Specification change | The architecture of an ApsaraDB RDS for PostgreSQL instance can be changed between x86 and ARM. | 03-22 | |
SQL Server | New feature | Official release of serverless RDS instances | Serverless ApsaraDB RDS for SQL Server instances are provided by Alibaba Cloud for small- and medium-sized enterprises or individual developers. CPU and memory resources of serverless RDS instances can be scaled in real time, which is new to RDS instances with cloud disks. | 03-20 | [Notice] The public preview of PolarDB for MySQL Serverless ends |
MySQL, SQL Server, PostgreSQL, and MariaDB | Performance improvement | Instance creation | A port can be specified for an RDS instance when you create the RDS instance. | 03-16 | |
PostgreSQL | New feature | New minor engine version | Version 20230228 of AliPG is released.
| 03-07 |
February
Database engine | Category | Feature | Description | Release date | References |
MySQL | New feature | Restoration of individual databases and tables | The fast restoration feature for individual databases and tables is supported for RDS instances that run MySQL and use cloud disks. You can restore individual databases or tables to the original RDS instance by backup set or point in time. This helps you quickly restore or analyze data. | 02-15 | |
MySQL | New feature | New performance insight | The Performance Schema feature of MySQL is used to collect statistics on SQL statements to help you evaluate instance loads and identify the root causes of performance issues. The new performance insight feature also provides solutions to resolve the issues. This increases the stability of your database system. | 02-07 |
January
Database engine | Category | Feature | Description | Release date | References |
PostgreSQL | New feature | New minor engine version | Version 20221230 of AliPG is released. | 01-17 | |
MySQL | Performance improvement | Monitoring and alerting | Diagnostic views for common issues are provided in addition to the classic view. You can quickly identify the causes of issues based on the trend charts of monitoring items that are displayed in these diagnostic views. | 01-13 | |
SQL Server | Performance improvement | Specification change | If the driver for your ApsaraDB RDS for SQL Server instance is updated, storage capacity expansion without data loss is supported for the RDS instance. If you change only the performance level (PL) of the storage type and the storage capacity of your RDS instance, you do not need to specify the switching time for the RDS instance. | 01-03 | |
MySQL | New feature | Instance parameter configuration | The parameters that specify the maximum number of connections to an ApsaraDB RDS for MySQL instance with cloud disks can be modified. The parameters include max_user_connections and max_connections. | 01-03 | |
MySQL and PostgreSQL | New feature | Task Center | Task Center is supported. After you perform operations on your RDS instance, you can view the task progress and historical task details on the Task Center page in the ApsaraDB RDS console. You can also specify and change the switching time of your workloads for specific tasks on the Task Center page. | 01-03 | |
PostgreSQL | New feature | Support for PostgreSQL 15 | PostgreSQL 15 is supported and is compatible with PostgreSQL 15.1. | 01-03 |