Release notes
This topic provides the release notes for ApsaraDB for SelectDB.
April 2026
Feature name | Change type | Description | Release date | Related documentation |
Managed observability solutions | New |
| 2026-04-29 |
November 2025
Feature | Type | Description | Date | Documentation |
high-availability virtual cluster | New | A high-availability virtual cluster prevents service interruptions and data loss resulting from availability zone failures. Each virtual cluster has a primary and a standby physical cluster. When the primary cluster becomes unavailable, the system automatically triggers a failover. | 2025-11-24 | |
automated plug-in management | New | This feature simplifies the deployment, scaling out, and upgrade of common plug-ins, such as JDBC drivers, Java UDFs, and data lake connectors. You can easily manage plug-ins from the console, and the system automatically applies them consistently across all nodes, including newly scaled-out nodes. | 2025-11-24 | N/A |
October 2025
Feature | Type | Description | Release date | Related documents |
direct cluster connection | New | Access specified ports on BE nodes directly within a VPC, bypassing the load balancer. This method reduces network hops, improves data throughput, and enables quick performance comparisons across connection paths for troubleshooting. | 2025-10-15 | N/A |
September 2025
Feature | Change type | Description | Release date | Related documentation |
Audit log | New | Monitor, record, and analyze SQL queries executed in your database. | 2025-09-18 |
January 2025
Feature name | Change type | Description | Release date | Related documents |
Monitoring data | New | Enables monitoring of the following metrics: cache usage, remote storage read/write operations (QPS), remote storage read/write bandwidth, and the maximum concurrent Stream Load jobs per node. | 2025-01-14 | |
Storage plans | New | You can purchase, renew, upgrade, and cancel storage plans. | 2025-01-07 |
December 2024
Feature | Type | Description | Release date | References |
Delete a cluster | Enhancement | You can directly delete a suspended cluster without starting it first, if its parent instance is running. | 2024-12-30 | |
Authorize access to ApsaraDB for SelectDB instances through resource groups | Enhancement | Alibaba Cloud account administrators can grant permissions to a resource group using system and custom policies for ApsaraDB for SelectDB. All RAM users within that resource group can then access the authorized ApsaraDB for SelectDB instances. | 2024-12-27 | Authorize access to ApsaraDB for SelectDB instances through resource groups |
Data migration and synchronization | New | You can use Data Transmission Service (DTS) in the ApsaraDB for SelectDB console to migrate or synchronize the schema, full data, and incremental data from PostgreSQL-compatible sources to an ApsaraDB for SelectDB instance for real-time analysis. Supported sources include self-managed PostgreSQL databases, ApsaraDB RDS for PostgreSQL instances, and PolarDB for PostgreSQL clusters. | 2024-12-05 |
November 2024
Feature | Type | Description | Release date | References |
Scheduled auto scaling | New | Pay-as-you-go clusters now support scheduled auto scaling. | 2024-11-30 | |
Supported regions | New | Now available in the following regions:
| 2024-11-30 | |
Apache Flink-based data synchronization | New | With Alibaba Cloud Realtime Compute for Apache Flink, you can upload the custom | 2024-11-21 | |
Data import monitoring | New | You can now use metrics to monitor data import volume. | 2024-11-07 |
October 2024
Feature | Change type | Description | Release date | Related documentation |
availability zone | New | Adds support for a new availability zone: China (Shanghai) Zone G. | 2024-10-25 | None |
Cloud Config Integration | New | Integrates with Cloud Config to provide configuration history tracking and compliance auditing for ApsaraDB SelectDB instances. | 2024-10-22 |
September 2024
Feature | Type | Description | Release Date | References |
CPU-to-memory ratio adjustment | Enhancement | The CPU-to-memory ratio for instances has been adjusted from 1:8 to 1:4. | 2024-09-12 | Notice: The CPU-to-memory ratio for ApsaraDB for SelectDB instances is adjusted from 1:8 to 1:4 |
Event management | New | Adds support for proactive O&M event management. Supported event types include version upgrades and parameter configurations. | 2024-09-12 | N/A |
Data development and management tool | New | This release integrates the native SelectDB data development and management tool. | 2024-09-11 |
August 2024
Feature | Type | Description | Release date | References |
Alibaba Cloud DataWorks Data Integration | New | Use the Data Integration feature in Alibaba Cloud DataWorks to synchronize the entire schema, full data, and incremental data from a MySQL data source to a SelectDB data warehouse in real time. Supported data sources include self-managed MySQL databases and ApsaraDB RDS for MySQL instances. | 2024-08-29 | Synchronize an entire MySQL database to SelectDB in real time |
Terraform instance management | New | You can now use Terraform in Cloud Shell to manage SelectDB instances. | 2024-08-23 | |
Alibaba Cloud DataWorks DataStudio | New | Use the DataStudio component in Alibaba Cloud DataWorks to develop and schedule periodic SQL tasks in a SelectDB data warehouse and integrate them with other jobs. | 2024-08-05 |
July 2024
Feature | Type | Description | Release date | References |
Major kernel version upgrade | New | You can now upgrade an instance's major version in-place, such as from 3.x to 4.x, without creating a new instance and migrating data. | 2024-07-30 | |
New zone | New | A new zone is now available: China (Shanghai) Zone N. | 2024-07-24 | N/A |
Cluster cache size scaling | New | You can now scale a cluster's cache size independently within the range allowed by its computing resources. | 2024-07-05 |
June 2024
Feature | Type | Description | Release date | References |
Supported regions | New | The following regions are now supported:
| 2024-06-24 | |
Tag management | New | Add tags when creating an Alibaba Cloud SelectDB instance to categorize, manage, and track resources. | 2024-06-19 | |
Integration with ARMS Prometheus | New | Report monitoring data from your Alibaba Cloud SelectDB instances to your ARMS Prometheus instance for centralized monitoring. | 2024-06-17 |
May 2024
Feature | Type | Description | Release date | References |
Case sensitivity of table names | New | You can now specify the case sensitivity of table names when you create an ApsaraDB for SelectDB instance. | 2024-05-23 | |
SelectDB Core 4.0 | New | SelectDB Core 4.0 is now available. Note
| 2024-05-18 |
April 2024
Feature | Type | Description | Release date | Documentation |
Monitoring information | New | Added new monitoring metrics, including "Stream Load", "Insert Load", "Routine Load", and "Broker Load". | 2024-04-30 | |
Management operation audit | New | Integrated with ActionTrail to record and audit management operation events on ApsaraDB for SelectDB instances. | 2024-04-08 | |
Parameter configuration | New | You can now visually configure and manage kernel parameters. | 2024-04-08 | |
ApsaraDB for SelectDB | General availability | ApsaraDB for SelectDB is now generally available. | 2024-04-01 | [Announcement] ApsaraDB for SelectDB is now generally available |
March 2024
Feature | Type | Description | Release date | References |
Availability zone | New | A new availability zone is now available: China (Hangzhou) Zone B. | 2024-03-29 | N/A |
Monitoring information | New | Added support for the 'object storage capacity' monitoring metric. | 2024-03-10 | |
ARMS alert integration | New | Integrated ARMS alerts, allowing you to manage alerts in the ApsaraDB for SelectDB console. | 2024-03-04 |
February 2024
Feature | Type | Description | Release date | References |
Resource group | New | You can now specify a resource group when creating an instance. | 2024-02-22 | |
Supported regions | New | The service is now available in the following regions:
| 2024-02-06 |
January 2024
Feature | Type | Description | Release date | References |
New availability zone | New | A new availability zone is now available: China (Shenzhen) Zone F. | 2024-01-25 | N/A |
Deprecation of Core v2.4 | Enhancement | Core v2.4 is deprecated. Existing instances have been upgraded to Core v3.0. | 2024-01-25 | |
Quick start training | New | You can now create a quick start training instance that is available for two days. | 2024-01-04 | ApsaraDB for SelectDB Real-time Data Warehouse Training Camp |
New regions | New | ApsaraDB for SelectDB is now available in the following regions:
| 2024-01-03 |
December 2023
Feature | Type | Description | Release date | References |
DTS integration for MySQL data sources | New | ApsaraDB for SelectDB now integrates with DTS. This allows you to configure DTS migration or synchronization tasks in the ApsaraDB for SelectDB console to migrate or synchronize the schema, full data, and incremental data from MySQL data sources (self-managed databases, ApsaraDB RDS for MySQL, or PolarDB for MySQL) to an ApsaraDB for SelectDB instance for real-time analysis. | 2023-12-25 | |
CloudMonitor integration for monitoring and alerting | New | ApsaraDB for SelectDB now integrates with CloudMonitor. This allows you to view real-time monitoring information for your ApsaraDB for SelectDB instances and configure alerting. | 2023-12-25 | |
Change billing method | New | You can now switch an ApsaraDB for SelectDB instance between pay-as-you-go and subscription. | 2023-12-22 | |
Quota management | New | ApsaraDB for SelectDB now integrates with Quota Center, which you can use to view and manage quotas for ApsaraDB for SelectDB, such as the OpenAPI request rate quota. | 2023-12-21 | |
Maintenance window | New | You can now set a maintenance window for your ApsaraDB for SelectDB instances. This allows you to schedule non-urgent operations to run during the specified window. | 2023-12-14 |
October 2023
Feature | Type | Description | Release date | References |
ApsaraDB for SelectDB | public preview | ApsaraDB for SelectDB has moved from invitational preview to public preview. | 2023-10-31 | N/A |
Minor kernel version upgrade | New | You are notified when a new minor kernel version is available for ApsaraDB for SelectDB. Upgrading provides performance improvements, new features, and bug fixes. | 2023-10-30 | |
One-click database login with DMS | New | The service now integrates with Data Management (DMS), which lets you log in to an ApsaraDB for SelectDB instance with a single click to manage database schemas and perform data development. | 2023-10-21 | |
Kernel 3.0 | New | ApsaraDB for SelectDB has released kernel 3.0, developed and optimized based on Apache Doris 2.0. Key enhancements include:
| 2023-10-12 | |
ARMS monitoring integration | New | The service now integrates with ARMS, allowing you to view real-time monitoring information for your instance in the ApsaraDB for SelectDB console. | 2023-10-09 |
August 2023
Feature | Type | Description | Release date | References |
ApsaraDB for SelectDB | Beta | Initial release of ApsaraDB for SelectDB. | 2023-08-20 |