This topic describes the release notes for ApsaraDB RDS for MySQL and provides links to the relevant references.

Updates in minor engine versions

December 2019

Database engine Feature Description Release date References
PostgreSQL pg_roaringbitmap plug-in The pg_roaringbitmap plug-in is provided for PostgreSQL 12. This plug-in is used to filter user profiles in real time. 2019-12-31 Use the roaringbitmap plug-in
PostgreSQL Monitoring and alerting The monitoring and alerting feature is supported for RDS instances that are equipped with standard SSDs or enhanced SSDs (ESSDs). 2019-12-31 Set the monitoring frequency of an ApsaraDB RDS for PostgreSQL instance
MySQL Dedicated proxy The dedicated proxy feature is supported for RDS instances that run MySQL 5.7 or 8.0 on RDS Enterprise Edition. 2019-12-25 Introduction to database proxies
MySQL RDS Enterprise Edition The RDS Enterprise Edition is supported for RDS instances that run MySQL 8.0. 2019-12-24 Create an ApsaraDB RDS for MySQL instance
MySQL Dedicated cluster ECS Bare Metal Instance, which is designed to run in the SHENLONG architecture, is supported for dedicated clusters. RDS instances that are equipped with ESSDs can be created in these dedicated clusters. 2019-12-19 Create hosts
PostgreSQL New engine version and edition The RDS Basic Edition is supported for RDS instances that run PostgreSQL 12. 2019-12-17 Create an ApsaraDB RDS for PostgreSQL instance
PostgreSQL SSL encryption SSL encryption can be enabled and disabled in the ApsaraDB RDS console. SSL encryption is supported for RDS instances that are equipped with standard SSDs or ESSDs. 2019-12-17 Configure disk encryption for an ApsaraDB RDS for PostgreSQL instance
PostgreSQL Change of the vSwitch The vSwitch of an RDS instance that is equipped with standard SSDs or ESSDs can be changed. 2019-12-17 Switch an ApsaraDB RDS for PostgreSQL instance to a different vSwitch
PostgreSQL Authorization of a service account A temporary service account can be authorized for an RDS instance in the ApsaraDB RDS console. This temporary service account is used by Alibaba Cloud technical support engineers to troubleshoot issues on the RDS instance. 2019-12-17 Authorize the service account of an RDS PostgreSQL instance
MySQL Dedicated proxy The dedicated proxy feature is supported for RDS instances that run MySQL 5.7 or 8.0 on RDS High-availability Edition with standard SSDs or ESSDs. 2019-12-17 Introduction to database proxies

November 2019

Database engine Feature Description Release date References
MySQL New instance types New general-purpose instance types are provided for RDS instances that run MySQL 5.7 on RDS Enterprise Edition. 2019-11-24 Primary ApsaraDB RDS instance types
MySQL SQL Explorer The SQL Explorer feature is supported for RDS instances that run MySQL 5.7 on RDS Enterprise Edition. 2019-11-21 Use the SQL Explorer feature on an ApsaraDB RDS for MySQL instance
MySQL Read-only instances Read-only RDS instances can be created for primary RDS instances that run MySQL 5.7 on RDS Enterprise Edition. 2019-11-19 Create a read-only ApsaraDB RDS for MySQL instance
MySQL New instance types New instance types that provide 12, 24, 52, and 104 cores are provided for RDS instances that run RDS High-availability Edition with standard SSDs or ESSDs. 2019-11-15 Primary ApsaraDB RDS instance types
PostgreSQL Data reads and writes on foreign MySQL tables The mysql_fdw plug-in is supported for RDS instances that run PostgreSQL 10 with standard SSDs or ESSDs. This plug-in allows ApsaraDB RDS to directly read and write data to ApsaraDB RDS for MySQL instances or self-managed MySQL databases. 2019-11-13 Use mysql_fdw to read and write data to a MySQL database
MySQL New instance type A new instance type that provides 1 core and 1 GB of memory is provided for RDS instances that run MySQL 8.0 on RDS Basic Edition. 2019-11-12 Primary ApsaraDB RDS instance types

October 2019

Database engine Feature Description Release date References
MySQL Dedicated proxy The dedicated proxy feature is supported for RDS instances that run MySQL 5.7 on RDS High-availability Edition with local SSDs. The dedicated proxy of an RDS instance provides advanced features, such as read/write splitting and short-lived connection optimization. 2019-10-28 Introduction to database proxies
PostgreSQL Removal of binding relationships between storage capacity sizes and instance types The binding relationships between storage capacity sizes and instance types are removed. Users can purchase a specific amount of storage based on the instance type that they select. This reduces the costs of storage-intensive workloads and compute-intensive workloads. 2019-10-24 Primary ApsaraDB RDS instance types
PostgreSQL Data reads and writes on foreign PostgreSQL tables The dblink and postgres_fdw plug-ins are supported for RDS instances that run PostgreSQL 11 with standard SSDs or ESSDs. These plug-ins are used to manage tables across RDS instances. 2019-10-24 Use the dblink and postgre_fdw plug-ins for cross-database operations
PostgreSQL Up to 32 TB storage capacity The maximum storage capacity is increased to 6 TB for RDS instances that run RDS Basic Edition and for RDS instances that run RDS High-availability Edition with local or standard SSDs. The maximum storage capacity is increased to 32 TB for RDS instances that run RDS High-availability Edition with ESSDs. 2019-10-24 Primary ApsaraDB RDS instance types
PostgreSQL PostgreSQL 11 PostgreSQL 11 is supported. 2019-10-24 Create an ApsaraDB RDS for PostgreSQL instance
SQL Server SQL Server 2017 SE SQL Server 2017 SE is supported. ApsaraDB RDS supports all SQL Server versions and editions that are released from 2012 to 2017. 2019-10-18 Features of ApsaraDB RDS instances that run different SQL Server versions and RDS editions
SQL Server ESSD PL2 and ESSD PL3 ESSDs of PL2 and ESSDs of PL3 are supported in all Alibaba Cloud regions in mainland China. An ESSD of PL3 delivers 20 times more IOPS and 11 times higher throughput than an ESSD of PL1. ESSDs of PL3 can be used to handle a large number of highly concurrent I/O requests at stable read and write latencies. 2019-10-17 Storage types
MySQL Dedicated proxy The dedicated proxy feature is supported for RDS instances that run MySQL 8.0 on RDS High-availability Edition with local SSDs. The dedicated proxy of an RDS instance provides advanced features, such as read/write splitting and short-lived connection optimization. 2019-10-15 Introduction to database proxies
MySQL Price adjustment The prices of RDS instances that are equipped with standard SSDs or ESSDs are reduced by up to 50%. 2019-10-15 Pricing, billable items, and billing methods
SQL Server Multi-zone deployment The multi-zone deployment method is supported for the combination of Zone A and Zone C in the China (Zhangjiakou) region. 2019-10-10 Create an ApsaraDB RDS for SQL Server instance

September 2019

Database engine Feature Description Release date References
MySQL Adjustment of storage capacity range The storage capacity range is adjusted for dedicated RDS instances that are equipped with local SSDs. 2019-09-18 Primary ApsaraDB RDS instance types
MySQL Upgrade from the RDS Basic Edition to the RDS High-availability Edition The RDS edition of an RDS instance can be upgraded from the RDS Basic Edition to the RDS High-availability Edition. 2019-09-15 Change the specifications of an ApsaraDB RDS for MySQL instance
MySQL New instance type A new instance type that provides 90 cores and 720 GB of memory is provided for RDS instances that belong to the dedicated host instance family. 2019-09-15 Primary ApsaraDB RDS instance types
All supported database engines New buy page A new ApsaraDB RDS buy page is released. 2019-09-12 Create an ApsaraDB RDS for MySQL instance
MySQL Change of the VPC The virtual private cloud (VPC) of an RDS instance can be changed. 2019-09-12 Switch an ApsaraDB RDS for MySQL instance to a new VPC and a new vSwitch
PostgreSQL Disk encryption The disk encryption feature is supported. This feature can be used with SSL encryption to ensure data security. 2019-09-04 Configure disk encryption for an ApsaraDB RDS for PostgreSQL instance

August 2019

Database engine Feature Description Release date References
MySQL Parameter template Parameter templates are provided. A parameter template can be used to manage multiple parameters of an RDS instance at a time. 2019-08-27 Use a parameter template to manage parameters
MySQL Disabling of SSL encryption The SSL encryption feature can be disabled. 2019-08-23 Configure SSL encryption on an ApsaraDB RDS for MySQL instance
MySQL Temporary disabling of automatic failover The automatic failover feature can be temporarily disabled for up to one week. 2019-08-22 Switch workloads over between primary and secondary ApsaraDB RDS for MySQL instances
MySQL Backup and restoration of individual databases and tables The backup and restoration of individual databases and tables are supported for RDS instances that run MySQL 5.6 or 5.7. 2019-08-20 Restore individual databases and tables of an ApsaraDB RDS for MySQL instance
MySQL Instance rebuilding from the recycle bin Subscription RDS instances that are locked due to overdue payments can be rebuilt from the recycle bin. 2019-08-16 Manage ApsaraDB RDS for MySQL instances in the recycle bin
MySQL Cross-region backups Cross-region backups are supported. After cross-region backups are enabled for an RDS instance, ApsaraDB RDS can replicate the backup files of the RDS instance to a different region than the RDS instance. 2019-08-13 Enable cross-region backups for an ApsaraDB RDS for MySQL instance
MySQL SQL Explorer The time range that is supported by the SQL Explorer feature for log queries can be set to 24 hours or less. 2019-08-08 Use the SQL Explorer feature on an ApsaraDB RDS for MySQL instance
MySQL SQL Explorer The SQL Explorer feature is supported for RDS instances that run MySQL 5.7 on RDS High-availability Edition with standard SSDs or ESSDs. This feature logs all SQL statements that are executed. 2019-08-01 Use the SQL Explorer feature on an ApsaraDB RDS for MySQL instance

July 2019

Database engine Feature Description Release date References
MySQL Transparent data encryption (TDE) TDE with Bring Your Own Keys (BYOKs) is supported for RDS instances that run MySQL 5.6. 2019-07-30 Configure TDE for an ApsaraDB RDS for MySQL instance
MySQL Change of the VPC endpoint The VPC endpoint of an RDS instance can be changed. 2019-07-29 Configure endpoints
MySQL Up to 16 TB storage capacity The maximum storage capacity is increased to up to 16 TB for RDS instances that run MySQL 5.7 or 8.0 on RDS High-availability Edition with ESSDs. 2019-07-29 Primary ApsaraDB RDS instance types
SQL Server SQL Server 2016 EE Basic SQL Server 2016 EE Basic is supported for dedicated RDS instances. 2019-07-25 Create an ApsaraDB RDS for SQL Server instance
All supported database engines Five-year subscription Five-year subscription is supported for RDS instances that run MySQL, SQL Server, PPAS, PostgreSQL, or MariaDB TX. 2019-07-20 Create an ApsaraDB RDS for MySQL instance
SQL Server Upgrade from the RDS Basic Edition to the RDS High-availability Edition The RDS edition of an RDS instance can be upgraded from the RDS Basic Edition to the RDS High-availability Edition. The upgrade can be performed on the Basic Information page in the ApsaraDB RDS console. 2019-07-17 Upgrade an ApsaraDB RDS for SQL Server instance from Basic Edition to High-availability Edition