This topic describes the release notes of ApsaraDB for MyBase in 2020 and provides links to related references.

December 2020

Database engine Type Feature Description Release date References
MySQL and SQL Server Optimized feature Dedicated host specifications The following specifications for dedicated hosts are added: 8 cores and 16 GB memory, 8 cores and 32 GB memory, and 8 cores and 64 GB memory. You can create hosts of these specifications in a dedicated cluster. 12-20 Host specifications and pricing
SQL Server Added feature Enterprise Edition instances that run SQL Server 2017 Enterprise Edition instances that run SQL Server 2017 can be created in dedicated clusters. 12-19 Create a MyBase for SQL Server instance
MySQL Added feature Replication relationships with ECS-based self-managed MySQL instances A replication relationship between a MyBase for MySQL Basic Edition instance and an ECS-based self-managed MySQL instance can be established by running the change master to command. 12-19 Build a replication relationship between an ApsaraDB for MyBase instance and an ECS-based self-managed MySQL instance

November 2020

Database engine Type Feature Description Release date References
MySQL Added feature Enterprise Edition instances and Basic Edition instances Enterprise Edition instances and Basic Edition instances can be created in MyBase for MySQL dedicated clusters. An Enterprise Edition instance has three nodes. 11-06 Create a MyBase for SQL Server instance
MySQL Added feature Basic Edition instances Basic Edition instances can be created in MyBase for MySQL dedicated clusters. Each Basic Edition instance has only one node. 11-02 Create a MyBase for SQL Server instance
SQL Server Added feature Host access from a bastion host A Windows-based host in a MyBase for SQL Server dedicated cluster can be associated with a bastion host and can be accessed by using the bastion host. 11-01 Access a Windows host from a bastion host

October 2020

Database engine Type Feature Description Release date References
SQL Server Added feature Database management and account management MyBase for SQL Server databases and database accounts can be managed. 10-27 Create a MyBase for SQL Server instance
SQL Server Optimized feature Permissions on the OSs of hosts The permissions on the OSs of hosts that are created in a MyBase for SQL Server dedicated cluster can be granted to users. 10-22 Create a MyBase for SQL Server dedicated cluster
MySQL Optimized feature Enterprise Edition Enterprise Edition instances can be created in MyBase for MySQL dedicated clusters. Enterprise Edition instances can be migrated and rebuilt from backups. Each Enterprise Edition instance has three nodes. 10-10 Create a MyBase for MySQL instance

September 2020

Database engine Type Feature Description Release date References
SQL Server Added feature Hosts that do not incur SQL Server engine fees If you use hosts of some specific specifications in a MyBase for SQL Server dedicated cluster, you are not charged for the use of the SQL Server engine. These specifications are 24 cores and 192 GB memory, 32 cores and 256 GB memory, 64 cores and 512 GB memory, 80 cores and 768 GB memory, and 104 cores and 768 GB memory. You can deploy database instances on these hosts based on your business requirements. 09-25 Create a MyBase for SQL Server instance
MySQL, SQL Server, and PostgreSQL Added feature Resource overcommitment The resource overcommitment feature is supported. If you have multiple instances of the same specification in an ApsaraDB for MyBase dedicated cluster, you can configure this feature to increase the CPU utilization of the hosts and reduce costs. 09-17 Configure resource overcommitment to reduce costs
MySQL, SQL Server, and PostgreSQL Added feature Elastic scaling The elastic scaling feature is supported. This feature can upgrade instance specifications to improve performance for a short period of time. The instance specifications that can be upgraded include memory and CPU cores. When the specified restoration point in time is reached, ApsaraDB for MyBase restores the instance to the specifications before the upgrade. 09-16 Configure resource scaling for instances to handle peak-hour traffic
SQL Server Added feature Pay-as-you-go billing method for disks of instances The pay-as-you-go billing method is supported by disks of instances in MyBase for SQL Server dedicated clusters. This allows you to manage the lifecycle of instance disks based on your business requirements. You can also purchase storage plans to reduce costs. 09-14 Create a MyBase for SQL Server instance
MySQL Added feature Enterprise Edition Enterprise Edition instances can be created in MyBase for MySQL dedicated clusters. Each Enterprise Edition instance has three nodes. When you create a MyBase for MySQL dedicated cluster for Enterprise Edition instances, you must select Enterprise as the deployment method. 09-10 Create a MyBase for MySQL instance

August 2020

Database engine Type Feature Description Release date References
MySQL Added feature MyBase for MySQL instances that use Enhanced SSDs (ESSDs) MyBase for MySQL instances that use ESSDs can be created. These instances support the pay-as-you-go billing method. 08-26 Create a MyBase for MySQL instance
SQL Server Added feature Windows-based Enterprise Edition hosts Enterprise Edition hosts that are Windows-based can be created in MyBase for SQL Server dedicated clusters. You can deploy Enterprise Edition instances that run SQL Server 2016 on these hosts. 08-24 Create a MyBase for SQL Server instance
SQL Server Optimized feature Hosts that have 32 CPU cores, 64 CPU cores, and 80 CPU cores The following host specifications are supported: 32 cores and 256 GB memory, 64 cores and 512 GB memory, and 80 cores and 768 GB memory. You can select a host specification based on your business requirements. 08-21 Host specifications and pricing

July 2020

Database engine Type Feature Description Release date References
SQL Server Added feature SQL Server engine Multiple features are provided. For example, you can configure resource overcommitment and perform customized O&M operations on databases based on your business requirements. 07-25 Overview
MySQL Added feature Bastion hosts Linux-based hosts can be associated with bastion hosts and accessed from the associated bastion hosts. 07-03 Access a Linux host from a bastion host

June 2020

Database engine Type Feature Description Release date References
MySQL Optimized feature ESSDs at the following performance levels (PLs): PL2 and PL3 ESSD PL2 and ESSD PL3 are supported. When you create a MyBase for MySQL instance, you can select ESSD PL2 or ESSD PL3 based on the storage performance requirements of your business. 06-29 Create a MyBase for MySQL instance and ESSDs
PostgreSQL Added feature PostgreSQL 10 and PostgreSQL 12 ApsaraDB for MyBase instances that run PostgreSQL 10 and PostgreSQL 12 can be created. 06-18 Create a MyBase for PostgreSQL instance

May 2020

Database engine Type Feature Description Release date References
MySQL and SQL Server Added feature More database engines The MySQL and SQL Server database engines are supported. 05-11 Supported database engines and instance editions