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ApsaraDB for MyBase:2021

Last Updated:Aug 26, 2026

This topic describes the 2021 release notes for ApsaraDB for MyBase, including new features, optimizations, and discontinued features across MySQL, SQL Server, and PostgreSQL engines.

December 2021

Database engine

Category

Feature

Description

Release date

References

MySQL, SQL Server

New

Storage plans

Dedicated clusters support storage plans.

03-30

Storage plans

MySQL, SQL Server, PostgreSQL

Optimization

Extended host expiration grace period

Hosts are not immediately stopped after expiration. They remain active for 15 days after expiration.

05-27

Renew hosts

MySQL

New feature

Topology management of Master-replica Edition instances

You can now manage the topology of Master-replica Edition instances, including instance endpoints, high-availability switchovers, instance specification changes, and database proxy configuration.

2021-12-22

View the topology of an instance

SQL Server

Optimized feature

Expansion of snapshot backups

Snapshot backup capacity is expanded to up to 16 TB.

2021-12-14

Snapshot backup

SQL Server

Optimized feature

Data restoration

You can restore data from an ApsaraDB MyBase for SQL Server instance to an existing instance or a new instance.

2021-12-07

Restore data, Restore the data of an ApsaraDB MyBase for SQL Server instance

November 2021

Database engine

Category

Feature

Description

Release date

References

MySQL, SQL Server, and PostgreSQL

New feature

Tag management

You can use tags to identify and categorize host resources for easier management. Supported operations include creating, deleting, and filtering hosts by tag.

2021-11-29

Create or add a tag, Delete or remove a tag, Filter hosts based on tags

PostgreSQL

New feature

Access to self-managed Active Directory (AD) domains

ApsaraDB MyBase for PostgreSQL instances can connect to self-managed AD domains for centralized user management and access control.

2021-11-29

Connect an ApsaraDB MyBase PostgreSQL instance to a self-managed domain

MySQL, SQL Server, and PostgreSQL

Optimized feature

Optimization of overcommit metric values

Default overcommit metric values for dedicated clusters are updated.

2021-11-24

Create a dedicated cluster, Configure resource overcommitment to reduce costs

MySQL

New feature

Dedicated cluster profile

Dedicated cluster and host profiles are now available, letting you view cluster and host information and manage resources in a visual interface.

2021-11-16

View the profile of a dedicated cluster

SQL Server

New feature

Web shell-based host access

You can connect to hosts using a web shell.

2021-11-15

Use a webshell to connect to a host, Create a host account, Manage a host account, Connect to a host

October 2021

Database engine

Category

Feature

Description

Release date

References

MySQL, SQL Server, and PostgreSQL

New feature

New region

ApsaraDB for MyBase is now available in the US (Silicon Valley) region.

2021-10-24

Create a dedicated cluster

MySQL, SQL Server, and PostgreSQL

New feature

Default dedicated clusters

When creating a host with no existing dedicated cluster for the selected engine and region, a default dedicated cluster is created automatically. The VPC and vSwitch can also be created during this process.

2021-10-05

September 2021

Database engine

Category

Feature

Description

Release date

References

PostgreSQL

New feature

Database Autonomy Service (DAS)

DAS is now supported for ApsaraDB MyBase for PostgreSQL, providing diagnostics, performance trends, slow query logs, and SQL Explorer and audit.

2021-09-30

Diagnostics, Performance trends, Slow query logs, SQL Explorer and audit

MySQL

Optimized feature

Upgrade of host specifications

Host specification upgrades are now supported for hosts that use local SSDs.

2021-09-25

Upgrade host specifications

MySQL, SQL Server, and PostgreSQL

Optimized feature

Classification of host instance types

Host instance types are now organized into categories on the host purchase page, making it easier to select the right host type.

2021-09-25

August 2021

Database engine

Category

Feature

Description

Release date

References

MySQL

New feature

Automatic scale-up

ApsaraDB MyBase for MySQL High-availability Edition instances that use enhanced SSDs (ESSDs) can be automatically scaled up.

2021-08-23

Enable automatic scale-up for an ApsaraDB MyBase for MySQL instance

MySQL

New feature

Automatic storage expansion

Storage capacity of ApsaraDB MyBase for MySQL High-availability Edition instances that use ESSDs can now be automatically extended.

2021-08-20

Enable automatic storage expansion for an instance

MySQL

New feature

Host storage type of local SSD

ApsaraDB MyBase for MySQL High-availability Edition instances can now be deployed on hosts that use local SSDs.

2021-08-11

Instance types of hosts

July 2021

Database engine

Category

Feature

Description

Release date

References

MySQL, SQL Server, and PostgreSQL

Optimized feature

ApsaraDB for MyBase API

API operation categories and parameters are reorganized and optimized for clarity.

2021-07-20

List of operations by function

MySQL and PostgreSQL

New feature

Elasticity policies for CPU resources

You can configure elasticity policies to automatically adjust CPU resources for ApsaraDB MyBase for MySQL and ApsaraDB MyBase for PostgreSQL instances based on workload demand.

2021-07-05

Configure an auto scaling policy for CPU resources

June 2021

Database engine

Category

Feature

Description

Release date

References

MySQL

Optimized feature

Change of instance specifications

When changing instance specifications, you can now also change the zone and the vSwitch of the associated host.

2021-06-27

Change specifications of an ApsaraDB MyBase for MySQL instance

MySQL

Discontinued feature

Enterprise Edition

The Enterprise Edition deployment method is no longer available for ApsaraDB MyBase for MySQL dedicated clusters. Enterprise Edition instances can no longer be created.

2021-06-25

ApsaraDB MyBase for MySQL overview

SQL Server

New feature

ApsaraDB MyBase for SQL Server Cluster Edition (Always On) instances

You can now create ApsaraDB MyBase for SQL Server Cluster Edition instances based on SQL Server Always On technology for high-availability deployments.

2021-06-07

Create a host in an ApsaraDB MyBase for SQL Server dedicated cluster, Create an ApsaraDB MyBase for SQL Server instance, Use an ApsaraDB MyBase for SQL Server Always On instance

SQL Server and PostgreSQL

New feature

Upgrade of host specifications

Host specification upgrades are now supported for SQL Server and PostgreSQL dedicated clusters.

2021-06-02

Upgrade host specifications, Upgrade specifications of hosts in ApsaraDB MyBase for SQL Server dedicated clusters, Upgrade specifications of hosts in ApsaraDB MyBase for PostgreSQL dedicated clusters

May 2021

Database engine

Category

Feature

Description

Release date

References

MySQL, SQL Server, and PostgreSQL

Optimized feature

Extended host retention period

The retention period for expired hosts is extended. After a host expires, it continues running for 14 days. If you do not renew within this period, the host is stopped.

2021-05-27

Renew a host

MySQL

New feature

Instance resource monitoring on hosts

You can monitor instance resource usage—including CPU, memory, I/O, and storage—directly on the host.

2021-05-18

View host details

April 2021

Database engine

Category

Feature

Description

Release date

References

PostgreSQL

New feature

Customized O&M

You can perform customized O&M operations on databases in ApsaraDB MyBase for PostgreSQL dedicated clusters.

2021-04-19

Perform independent O&M on an ApsaraDB MyBase for PostgreSQL instance

March 2021

Database engine

Category

Feature

Description

Release date

References

MySQL and SQL Server

New feature

Storage plans

Storage plans can now be purchased for ApsaraDB MyBase for MySQL and SQL Server instances to reduce storage costs.

2021-03-30

Overview

MySQL

New feature

Custom password policies

You can create custom password policies for ApsaraDB MyBase for MySQL instances to enforce security requirements.

2021-03-23

Custom password policies

SQL Server

New feature

Workload migration

SQL Server and SQL Server Integration Services (SSIS) workloads can be migrated to Alibaba Cloud using Active Directory (AD).

2021-03-17

Enable SSIS for an ApsaraDB MyBase for SQL Server instance of the High-availability Edition

MySQL and SQL Server

Optimized feature

Increase of CPU utilization, memory usage, and local SSD usage

The maximum ratios for CPU utilization, memory usage, and local SSD usage can now be increased for dedicated clusters.

2021-03-15

Manage ApsaraDB for MyBase dedicated clusters

SQL Server

New feature

Migration of full backup data to ApsaraDB MyBase for SQL Server

Full backup data from on-premises SQL Server databases can be migrated to ApsaraDB MyBase for SQL Server.

2021-03-09

Migrate the full backup data of an SQL Server 2008 R2 database to ApsaraDB for MyBase, Migrate full backup data of SQL Server 2012, 2014, 2016, 2017, or 2019 databases

MySQL, SQL Server, and PostgreSQL

New feature

Increase of CPU overcommit ratio, storage overcommit ratio, and maximum memory usage

The CPU overcommit ratio, storage overcommit ratio, and maximum memory usage can now be increased for a dedicated cluster to improve resource utilization.

2021-03-07

Manage ApsaraDB for MyBase dedicated clusters

SQL Server

New feature

Low-specification hosts and instances

Hosts and instances with 8 cores and 64 GB memory are now supported, providing a lower-cost entry point for smaller workloads.

2021-03-05

Host specifications and prices of ApsaraDB MyBase for MySQL and ApsaraDB MyBase for PostgreSQL

February 2021

Database engine

Category

Feature

Description

Release date

References

SQL Server

New feature

PL2 ESSDs and PL3 ESSDs

PL2 and PL3 enhanced SSDs (ESSDs) are now supported when creating an ApsaraDB MyBase for SQL Server instance.

2021-02-24

Create an ApsaraDB MyBase for SQL Server instance, ESSDs

January 2021

Database engine

Category

Feature

Description

Release date

References

SQL Server

New feature

SQL Server Reporting Services (SSRS)

SSRS can be enabled on Elastic Compute Service (ECS) instances for ApsaraDB MyBase for SQL Server instances.

2021-01-21

Enable SSRS for an ApsaraDB MyBase for SQL Server instance of the High-availability Edition