This topic describes the release notes of ApsaraDB for RDS features.

June 2020

Database engine Feature Description Release date Documentation
MySQL Changing the storage capacity online The storage capacity of instances that use standard or enhanced SSDs can be changed online. The change of the storage capacity takes about 5 minutes. This feature is supported for MySQL 5.7 and 8.0. 2020-06-19 Change the specifications of an ApsaraDB RDS for MySQL instance
MySQL Maximum length of account names The maximum length of account names in MySQL 5.7 and 8.0 is extended to 32 characters. 2020-06-16 Create a database account
SQL Server User-created domain ApsaraDB RDS for SQL Server instances can be connected to user-created domains. 2020-06-12 Connect an ApsaraDB RDS for SQL Server instance to a user-created domain
SQL Server Storage type The storage type of instances can be changed from standard SSD to ESSD across zones. 2020-06-11 Change the configuration of an RDS SQL Server instance

May 2020

Database engine Feature Description Release date Documentation
MySQL Upgrade of the minor engine version An upgrade policy of the minor engine version can be selected when you purchase a new ApsaraDB RDS for MySQL instance. 2020-05-15 Create an ApsaraDB RDS for MySQL instance
MySQL Restoration of databases and tables The efficiency to restore databases and tables is increased by four times. 2020-05-12 Restore individual databases and tables of an ApsaraDB RDS for MySQL instance
SQL Server Storage type The storage type of instances can be changed from standard SSD to ESSD. 2020-05-07 Change the configuration of an RDS SQL Server instance

April 2020

Database engine Feature Description Released in Documentation
MySQL Data restoration across regions Backup files can be used to restore data to instances across regions. 2020-04-24 Restore an ApsaraDB RDS for MySQL instance across regions
MySQL Memory management Custom memory management is supported. 2020-04-22 Memory management of an ApsaraDB RDS for MySQL instance
All Billing method The billing method can be changed from subscription to pay-as-you-go. 2020-04-21 Switch the billing method from subscription to pay-as-you-go
MySQL Dedicated proxy Custom endpoints are supported for dedicated proxy instances. 2020-04-15 Dedicated proxy
PostgreSQL Plug-in The hll, smlar, and tds_fdw plug-ins are supported. 2020-04-21 Plug-ins supported
MySQL Data restoration Auto-renewal is supported for new instances to which data is restored. 2020-04-14 Restore the data of an RDS MySQL instance
SQL Server New version SQL Server 2008 R2 is supported for instances that use standard or enhanced SSDs. 2020-04-10 Create an ApsaraDB RDS for SQL Server instance
MySQL SSL encryption SSL encryption is supported for Enterprise Edition instances that run MySQL 5.7 or 8.0. 2020-04-09 Configure SSL encryption for an ApsaraDB RDS for MySQL instance
PostgreSQL Foreign table Both foreign SQL Server and Sybase tables are supported. 2020-04-03 N/A
MySQL Restoration of databases and tables Restoration of databases and tables are supported for instances that run MySQL 8.0. 2020-04-01 Restore individual databases and tables of an ApsaraDB RDS for MySQL instance

March 2020

Database engine Feature Description Release date Documentation
MySQL Dedicated proxy Upgrade from a shared proxy to a dedicated proxy is supported. 2020-03-20 Dedicated proxy
MySQL Dedicated cluster Dedicated clusters (formerly known as host groups) are supported for instances that run MySQL 5.6. 2020-03-18 ApsaraDB Dedicated Cluster
MySQL Dedicated proxy The dedicated proxy feature is supported for High-availability Edition instances that run MySQL 5.6 and use local SSDs. 2020-03-13 Dedicated proxy
PostgreSQL Multi-zone deployment Multi-zone deployment is supported for High-availability Edition instances that use standard or enhanced SSDs. 2020-03-08 Create an ApsaraDB RDS for PostgreSQL instance
MySQL Alert rule Alert rules are optimized to support one-minute alert intervals and more metrics. 2020-03-02 Configure alert rules for an ApsaraDB RDS for MySQL instance

February 2020

Database engine Feature Description Release date Documentation
MySQL Enterprise Edition The Enterprise Edition is supported for instances that run MySQL 5.7 or 8.0 in all regions. 2020-02-28 ApsaraDB for RDS Enterprise Edition
MySQL Instance analysis Instance analysis is supported in the High-availability Edition and Enterprise Edition. 2020-02-28 Overview of ApsaraDB RDS for MySQL analytic instances
SQL Server New version SQL Server 2019 SE Beta is supported. 2020-02-28 Create an ApsaraDB RDS for SQL Server instance
MySQL Zone of the primary instance Single-zone deployment and multi-zone deployment are supported. You can specify a zone for the primary instance. 2020-02-27 Create an ApsaraDB RDS for MySQL instance
MySQL Long-term retention of backup files Long-term retention of backup files is supported. 2020-02-26 Back up an ApsaraDB RDS for MySQL instance
SQL Server Disk encryption Encryption of standard and enhanced SSDs based on Bring Your Own Keys (BYOKs) is supported when multi-zone deployment is adopted. 2020-02-26 Configure disk encryption
SQL Server Database management Database management is supported for instances that run SQL Server 2017 EE. 2020-02-25 Create a database for an ApsaraDB RDS for SQL Server instance
PostgreSQL Reserved connection Reservation of a specific number of connections is supported for superuser accounts. These accounts can be used to log on to instances and troubleshoot issues if the number of established connections reaches the upper limit. 2020-02-22 Release Notes
PostgreSQL plv8 PLV8 2.3.13 is provided for PostgreSQL 12 to compile stored procedures and functions. 2020-02-22 N/A
MySQL Storage type Two new storage types are provided: ESSD PL2 and ESSD PL3. 2020-02-21 Storage types
PostgreSQL SQL translation Translation of SQL statements from Oracle to PostgreSQL syntax is supported. 2020-02-14 SQL translation
PostgreSQL wal2json The wal2json plug-in is provided for PostgreSQL 12 to support logical subscription. 2020-02-14 Use the wal2json plug-in
MySQL Edition change The Enterprise Edition can be changed to the High-availability Edition for MySQL 5.6. 2020-02-13 Change the specifications of an ApsaraDB RDS for MySQL instance
MySQL Number of ECS security groups The number of ECS security groups to which an RDS instance can be added is increased from 1 to 10. 2020-02-04 Configure a whitelist for an ApsaraDB RDS for MySQL instance

January 2020

Database engine Feature Description Release date Documentation
MySQL X-Engine X-Engine is developed by Alibaba Cloud to compress a large volume of data at a significantly high compression ratio in online transaction processing (OLTP) scenarios. 2020-01-15 X-Engine overview
MySQL Host monitoring Physical hosts in dedicated clusters are monitored. You can check the host monitoring information and configure alert rules. 2020-01-15 View a host in an RDS ApsaraDB for MyBase
MySQL System parameter template Two system parameter templates are provided: one for high availability and the other for high performance. 2020-01-14 Use a parameter template to manage parameters
PostgreSQL pg_cron The pg_cron plug-in is released for PostgreSQL 11 to configure scheduled tasks. 2020-01-14 Use the pg_cron plug-in
PostgreSQL plv8 PLV8 2.3.13 is provided for PostgreSQL 11 to compile stored procedures and functions. 2020-01-14 N/A
PostgreSQL log_fdw The log_fdw plug-in is provided for PostgreSQL 11 to query real-time logs. 2020-01-14 Use the log_fdw plug-in
PostgreSQL wal2json The wal2json plug-in is provided for PostgreSQL 12 to support logical subscription. 2020-01-14 Use the wal2json plug-in
MySQL Performance insight Performance insights are supported in the High-availability Edition and Enterprise Edition. 2020-01-09 Performance insight
MySQL Transparent Data Encryption (TDE) TDE with BYOKs is supported for High-availability Edition instances that run MySQL 5.7 and use local SSDs. 2020-01-07 Configure TDE for an ApsaraDB RDS for MySQL instance
PostgreSQL Protection levels of enhanced SSDs Enhanced SSDs of PL2 and PL3 are supported for High-availability Edition instances that run PostgreSQL 10. 2020-01-07 Create an ApsaraDB RDS for PostgreSQL instance

December 2019

Database engine Feature Description Released in Documentation
PostgreSQL pg_roaringbitmap The pg_roaringbitmap plug-in is provided for PostgreSQL 12 to spot user profiles in real time. 2019-12-31 Use the roaringbitmap plug-in
PostgreSQL Monitoring and alerting Monitoring and alerting are supported for instances that use standard or enhanced SSDs. 2019-12-31 Set the monitoring frequency of an ApsaraDB RDS for PostgreSQL instance
MySQL Dedicated proxy The dedicated proxy feature is supported for Enterprise Edition instances that run MySQL 5.7 or 8.0. 2019-12-25 Dedicated proxy
MySQL Enterprise Edition The Enterprise Edition is released for MySQL 8.0. 2019-12-24 Create an ApsaraDB RDS for MySQL instance
MySQL Storage of instances in dedicated clusters X-Dragon servers are supported for dedicated clusters. You can create instances with enhanced SSDs on these servers. 2019-12-19 Create hosts in an RDS ApsaraDB for MyBase
PostgreSQL New version PostgreSQL 12 is supported in the Basic Edition of ApsaraDB for RDS. 2019-12-17 Create an ApsaraDB RDS for PostgreSQL instance
PostgreSQL SSL SSL encryption can be enabled and disabled in the ApsaraDB for RDS console for instances that use standard or enhanced SSDs. 2019-12-17 Configure data encryption for an RDS PostgreSQL instance
PostgreSQL VSwitch change VSwitches of instances that use standard or enhanced SSDs can be changed. 2019-12-17 Switch to a new VSwitch for an RDS PostgreSQL instance
PostgreSQL Service account authorization Authorization of a temporary service account is supported in the ApsaraDB for RDS console. This service account can be used by Alibaba Cloud technical support to troubleshoot instance issues. 2019-12-17 Authorize the service account of an RDS PostgreSQL instance
MySQL Dedicated proxy The dedicated proxy feature is supported for High-availability Edition instances that run MySQL 5.7 or 8.0 and use standard or enhanced SSDs. 2019-12-17 Dedicated proxy

November 2019

Database engine Feature Description Release date Documentation
MySQL New instance type The general-purpose instance type is supported for Enterprise Edition instances that run MySQL 5.7. 2019-11-24 Primary instance types
MySQL SQL Explorer SQL Explorer is supported for Enterprise Edition instances that run MySQL 5.7. 2019-11-21 SQL Explorer
MySQL Read-only instance Read-only instances are supported for Enterprise Edition instances that run MySQL 5.7. 2019-11-19 Create a read-only ApsaraDB RDS for MySQL instance
MySQL New instance type New instance types with 12, 24, 52, and 104 CPU cores are provided for High-availability Edition instances that use standard or enhanced SSDs. 2019-11-15 Primary instance types
PostgreSQL Data read and write on foreign MySQL tables The mysql_fdw plug-in is provided for instances that run PostgreSQL 10 and use standard or enhanced SSDs to directly read and write data in ApsaraDB RDS for MySQL instances or user-created 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 with 1 CPU core and 1 GB of memory is supported for Basic Edition instances that run MySQL 8.0. 2019-11-12 Primary instance types

October 2019

Database engine Feature Description Release date Documentation
MySQL Dedicated proxy The dedicated proxy feature is provided for High-availability Edition instances that run MySQL 5.7 and use local SSDs. This feature supports read/write splitting and short-lived connection optimization. 2019-10-28 Dedicated proxy
PostgreSQL Removal of limits on storage capacity and instance types Limits on the storage capacity and instance types are removed to lower costs of compute-intensive services that consume a large number of storage resources. 2019-10-24 Primary instance types
PostgreSQL Data read and write on foreign PostgreSQL tables The dblink and postgres_fdw plug-ins are provided for instances that run PostgreSQL 11 and use standard or enhanced SSDs. This allows you to read and write data in tables across databases. 2019-10-24 Use the dblink and postgre_fdw plug-ins for cross-database operations
PostgreSQL Storage capacity The maximum storage capacity is increased to 6 TB for the Basic Edition, 6 TB for the High-availability Edition with local or standard SSDs, and 32 TB for the High-availability Edition with enhanced SSDs. 2019-10-24 Primary 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 for RDS has now covered all SQL Server versions ranging from 2012 to 2017 in various editions. 2019-10-18 Functions supported by different versions and editions of SQL Server
SQL Server ESSD PL2 and PL3 Enhanced SSDs of PL2 and PL3 are released in all regions across mainland China. PL3 offers 20 times higher IOPS and 11 times higher throughput than PL1. This helps you handle a large number of concurrent I/O requests and ensure stable read/write operations. 2019-10-17 Storage types
MySQL Dedicated proxy The dedicated proxy feature is provided for High-availability Edition instances that run MySQL 8.0 and use local SSDs. This feature supports read/write splitting and short-lived connection optimization. 2019-10-15 Dedicated proxy
MySQL Price adjustment The prices of instances with standard or enhanced SSDs are reduced by up to 50%. 2019-10-15 Pricing, billing items, and billing methods
SQL Server Multi-zone deployment Multi-zone deployment is supported in the China (Zhangjiakou-Beijing Winter Olympics) region. You can deploy instances across zone A and zone C. 2019-10-10 Create an ApsaraDB RDS for SQL Server instance

September 2019

Database engine Feature Description Release date Documentation
MySQL Dedicated instance The storage capacity of dedicated instances that use local SSDs is adjusted to better fit into your business needs. 2019-09-18 Primary instance types
MySQL Upgrade from the Basic Edition to High-availability Edition ApsaraDB RDS for MySQL instances can be upgraded from the Basic Edition to the High-availability Edition. 2019-09-15 Change the specifications of an ApsaraDB RDS for MySQL instance
MySQL New instance type Dedicated-host instances that support 90 CPU cores and 720 GB of memory are supported. 2019-09-15 Primary instance types
All New selling page The new selling page is released. 2019-09-12 Create an ApsaraDB RDS for MySQL instance
MySQL VPC change VPCs of instances can be changed. 2019-09-12 Switch to a new VPC and VSwitch for an RDS MySQL instance
PostgreSQL Data encryption Encryption of data disks and data transmitted on SSL links is supported to ensure data security. 2019-09-04 Configure data encryption for an RDS PostgreSQL instance

August 2019

Database engine Feature Description Release date Documentation
MySQL Parameter template Parameter templates are provided to manage instance parameters in batches. 2019-08-27 Use a parameter template to manage parameters
MySQL Disabling SSL SSL can be disabled for MySQL databases. 2019-08-23 Configure SSL encryption for an ApsaraDB RDS for MySQL instance
MySQL Temporarily disabling automatic failover Automatic failover can be temporarily disabled for up to a week. 2019-08-22 Perform a manual or automatic switchover of services between a primary ApsaraDB RDS for MySQL instance and its secondary instance
MySQL Backup and restoration of databases and tables Backup and restoration of databases and tables are supported forMySQL 5.6 and 5.7 2019-08-20 Restore individual databases and tables of an ApsaraDB RDS for MySQL instance
MySQL Re-creation of instances from the recycle bin Subscription instances that have expired can be re-created from the recycle bin. 2019-08-16 Manage ApsaraDB RDS for MySQL instances that are in the recycle bin
MySQL Cross-region backup Data can be backed up to instances across regions. 2019-08-13 Back up an ApsaraDB RDS for MySQL instance across regions
MySQL SQL Explorer The time range to query logs in SQL Explorer is shortened to 24 hours or less. 2019-08-08 SQL Explorer
MySQL SQL Explorer SQL Explorer is available for High-availability Edition instances that run MySQL 5.7 and use standard or enhanced SSDs. SQL Explorer can record all executed SQL statements. 2019-08-01 SQL Explorer

July 2019

Database engine Feature Description Release date Documentation
MySQL BYOK TDE supports BYOKs in MySQL 5.6. 2019-07-30 Configure TDE for an ApsaraDB RDS for MySQL instance
MySQL Database port The database port can be changed on instances deployed in VPCs. 2019-07-29 Configure endpoints
MySQL Storage capacity The maximum storage capacity is increased to 16 TB for High-availability Edition instances that run MySQL 5.7 or MySQL 8.0 and use enhanced SSDs. 2019-07-29 Primary instance types
SQL Server SQL Server 2016 EE Basic SQL Server 2016 EE Basic is available for dedicated instances. 2019-07-25 Create an ApsaraDB RDS for SQL Server instance
All Five-year subscription Five-year subscription is supported for instances that run MySQL, SQL Server, PPAS, PostgreSQL, or MariaDB. 2019-07-20 Create an ApsaraDB RDS for MySQL instance
SQL Server Upgrade from the Basic Edition to the High-availability Edition Upgrade from the Basic Edition to the High-availability Edition is supported in the ApsaraDB for RDS console. 2019-07-17 Upgrade from Basic Edition to High-availability Edition