What's New
The tables below describe the functions released in each Data Replication Service version and corresponding documentation updates. New features will be successively launched in each region.
September 2026
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | API parameter description optimization | Parameter descriptions of some APIs, including parameter explanations, constraints, value ranges, and default values, are optimized. | -- |
April 2026
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Support for Oracle GIS data types | GIS data types can be synchronized from Oracle to GaussDB Centralized/Distributed. | Commercial use | |
| 2 | Instance-level MySQL synchronization | An option is added to synchronize all MySQL objects. | Commercial use | |
| 3 | Compression for synchronization tasks with Kafka as the destination | The option Kafka Compression Format is added for synchronization tasks with Kafka as the destination. | Commercial use | |
| 4 | Support for selecting RDS for MySQL read replicas | When the source database is an RDS for MySQL instance, read replicas can be selected. | Commercial use |
January 2026
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Commercial use of synchronization data flows | Certain synchronization data flows Microsoft SQL Server-RDS for SQL Server To the cloud: Microsoft SQL Server to GaussDB Distributed To the cloud: Microsoft SQL Server to GaussDB Centralized To the cloud: PostgreSQL to GaussDB Distributed Out of the cloud: GaussDB Distributed to PostgreSQL Out of the cloud: GaussDB Centralized to PostgreSQL Out of the cloud: PostgreSQL to PostgreSQL | Commercial use | From Microsoft SQL Server to Microsoft SQL Server From Microsoft SQL Server to GaussDB Centralized |
| 2 | Added the option to create a comparison task when a full migration task is complete | You can choose whether to automatically create a comparison task when a full synchronization task is complete. | Commercial use | |
| 3 | Support for the DDS 5.0 cluster edition | The DDS 5.0 cluster edition is supported. | Commercial use | |
| 4 | User account synchronization in MySQL synchronization tasks | User accounts can be synchronized in MySQL-to-RDS for MySQL synchronization tasks. | Commercial use | |
| 5 | Microsoft SQL Server Enterprise Edition 2008 | Microsoft SQL Server Enterprise Edition 2008 is supported for synchronization tasks. | Commercial use |
April 2024
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Data processing | Changed the maximum number of tables that can be filtered to 512. | Commercial use | |
| 2 | Synchronization progress | Supported synchronization object skipping during the full synchronization. | Commercial use | |
| 3 | Real-time migration | Supported migration from a cluster to a replica set for MongoDB-to-DDS migration. | Commercial use | |
| 4 | Data comparison | Supported data filtering for value comparison. | Commercial use | |
| 5 | Synchronization mode change for a task | Supported changing the synchronization mode for a MySQL-to-TaurusDB synchronization task. | Commercial use |
March 2024
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Some scenarios are in open beta testing. | The following data flow scenarios are in open beta testing.
| OBT | |
| 2 | Task creation | When creating a task using a public network, you need to manually specify an EIP. | Commercial use | |
| 3 | Workload replay | Supported the display of workload replay progress in percentage. | OBT | |
| 4 | Some scenarios are put into commercial use. | The following data flow scenarios meet the commercial use standards:
| Commercial use |
February 2024
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Functions for real-time synchronization optimized |
| Commercial use | |
| 2 | Data comparison optimized | Supported LOB length comparison in value comparison for real-time synchronization from Oracle to GaussDB. | Commercial use | |
| 3 | More workload replay scenarios | Supported self-managed MySQL for Source DB From for a workload replay task from MySQL to the cloud. | OBT | |
| 4 | More synchronization modes supported | Supported full synchronization and incremental synchronization for real-time synchronization from Microsoft SQL Server to GaussDB. | OBT |
December 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Task management for data subscription | Supported task resetting and resuming for data subscription. | OBT | |
| 2 | New real-time synchronization scenarios |
| OBT | |
| 3 | DNS server configuration | Supported DNS server configuration for real-time migration from MySQL to MySQL and from Redis to GeminiDB Redis. | OBT | |
| 4 | Parameter management for a synchronization task | Supported task parameter changing for real-time synchronization. | OBT |
November 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Synchronization progress | Supported progress details viewing for real-time synchronization. | OBT | |
| 2 | Task specifications | Supported ultra-large specifications for real-time synchronization. | Commercial use | |
| 3 | Commercial use of some real-time synchronization scenarios | The following data flow scenarios meet the commercial use standards.
| Commercial use | |
| 4 | New real-time synchronization scenarios | Supported out-of-cloud synchronization from Microsoft SQL Server to Kafka. | OBT | |
| 5 | More PostgreSQL versions | Supported PostgreSQL 15 for DRS real-time synchronization. | Commercial use | |
| 6 | DR direction exchange | Supported direction exchange for dual-active DR. | OBT |
October 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Functions for real-time synchronization optimized. |
| Commercial use | |
| 2 | Specification upgrade | Added support for upgrading task specifications for all DRS multi-specification tasks. | Commercial use | |
| 3 | Workload replay reporting | Added support for downloading the replay report for a DRS Workload replay task. | OBT |
September 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Workload replay | Added support for workload replay from MySQL to MySQL, MySQL to TaurusDB, and TaurusDB to TaurusDB. | OBT |
July 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Supported AZ selection. | Supported AZ selection for DRS migration, synchronization, and DR tasks. | OBT |
June 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Supported more synchronization modes. | Supported full synchronization and incremental synchronization for real-time synchronization from DDM to MySQL and DDM to Oracle. | OBT | |
| 2 | Supported object name mapping. | Supported object name mapping for real-time synchronization from GaussDB to GaussDB. | Commercial use | |
| 3 | Supported more functions for real-time synchronization. | Supported the selection of synchronization object types for real-time synchronization from MySQL to GaussDB. | Commercial use | |
| 4 | Supported data processing. | Supported data filtering for real-time synchronization from DB2 for LUW to GaussDB. | Commercial use | |
| 5 | Supported more Oracle versions. | Supported Oracle 21c for DRS real-time synchronization. | OBT |
May 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | The incremental DDL type can be selected. | Supported DDL type selection for synchronization tasks from Oracle to GaussDB. | Commercial use | |
| 2 | There are more data flow scenarios for real-time synchronization. | Supported out-of-cloud synchronization from DDS to Kafka. | Commercial use |
April 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Connection test optimization | Supported quick diagnosis if a DRS connection test fails. | Commercial use | |
| 2 | Specification upgrade | Supported specification upgrade in single-node MySQL-to-Kafka synchronization tasks. | Commercial use | |
| 3 | Some scenarios are put into commercial use. | The following data flow scenarios meet the commercial use standards.
| Commercial use | |
| 4 | Supported more PostgreSQL versions. | Supported PostgreSQL 13 and 14 for to-the-cloud real-time synchronization from Oracle to PostgreSQL. | Commercial use | |
| 5 | Supported DDS 4.2. | Supported real-time migration and synchronization of DDS 4.2. | Commercial use | |
| 6 | Supported more synchronization modes. |
| Commercial use | |
| 7 | Supported more data flow scenarios for real-time synchronization. | Supported real-time synchronization from MariaDB to MariaDB. | Commercial use |
March 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | GUI improvement | On the DRS task creation page, changed the options of DRS Task Type to Single-AZ and Dual-AZ. | Commercial use | |
| 2 | Specification upgrade | Supported specification upgrade for real-time DR from MySQL to MySQL. | Commercial use | |
| 3 | Supported more data flow scenarios for online migration. | Supported to-the-cloud migration from cluster Redis to GaussDB(for Redis). | OBT | |
| 4 | Supported more data flow scenarios for real-time synchronization. |
| OBT | |
| 5 | Supported data migration of MongoDB 4.4. | Supported the source MongoDB 4.4 for to-the-cloud migration from MongoDB to DDS. | Commercial use |
February 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Supported more data flow scenarios for online migration. | Supported out-of-cloud migration from GaussDB(for Redis) to single-node, master/standby, or cluster Redis. | OBT | |
| 2 | Row comparison result sorting | Supported the sorting of row comparison results in ascending or descending order by Source Database Table Rows or Destination Database Table Rows. | Commercial use | |
| 3 | Supported data migration of MongoDB 3.6 | Supported the source MongoDB 3.6 for to-the-cloud migration from MongoDB to DDS. | Commercial use | |
| 4 | Specification upgrade | Supported specification upgrade in single-node MySQL-to-GaussDB(DWS) synchronization tasks. | Commercial use |
January 2023
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Supported more data flow scenarios for real-time synchronization. | Supported real-time synchronization from Microsoft SQL Server to Microsoft SQL Server (to the cloud). | OBT | |
| 2 | Optimized the search function for object selection. | Supported object searching using regular expressions. | Commercial use | |
| 3 | Supported more ElasticSearch versions. | Supported ElasticSearch 7.10 for real-time synchronization from MySQL to CSS/ES and from TaurusDB to CSS/ES. | Commercial use | |
| 4 | Supported more data types for real-time synchronization with DB2 for LUW serving as the source. | Supported DB2SECURITYLABEL data for real-time synchronization with DB2 for LUW serving as the source. | OBT | |
| 5 | Supported start point setting. | Supported start point setting for incremental synchronization from MySQL to Kafka and from TaurusDB to Kafka. | Commercial use | |
| 6 | Supported more PostgreSQL versions. | Supported PostgreSQL 14 for real-time synchronization with PostgreSQL serving as the source. | Commercial use |
December 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Real-time synchronization supports multiple specifications. | Supported multiple specifications for real-time synchronization from MySQL to CSS/ES. | Commercial use | |
| 2 | Querying the migration progress. | Supported the progress viewing for online migration from MySQL to TaurusDB. | Commercial use | |
| 3 | Synchronization policy. | Supported the topic and partition policies for real-time synchronization from Oracle to Kafka. | Commercial use | |
| 4 | Querying the synchronization progress. | Supported the progress viewing for real-time synchronization from MySQL to Kafka and synchronization from GaussDB to Kafka. | Commercial use | |
| 5 | Synchronization mode. | Supported the full+incremental mode for real-time synchronization from MySQL to Kafka and synchronization from TaurusDB to Kafka. | Commercial use |
November 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Interconnecting with LTS | If you enable log reporting, all logs generated by DRS instances are uploaded to Log Tank Service (LTS) for management. | Commercial use | |
| 2 | More data flow types are supported for real-time synchronization. |
| OBT | |
| 3 | Some data flow type are put into commercial use. | Some Real-time synchronization meet the commercial use standards. | Commercial use | |
| 4 | Upgrading instance specifications | Supported specification upgrade in single-node MySQL synchronization tasks. | Commercial use | |
| 5 | More data flow types are supported for real-time migration. | Supported real-time migration from GaussDB(for Redis) to Redis (from the cloud) | OBT |
October 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | GTID must be enabled when MySQL is used as the source. | Added the GTID status pre-check for the source database when MySQL is used as the source in migration and synchronization. | Commercial use |
August 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Real-time synchronization supports multiple specifications. | Real-time synchronization from PostgreSQL to Kafka supports multiple specifications. | Commercial use | |
| 2 | A new function is added when the source database is an Oracle database for data synchronization. | The WE8ISO8859P15 character set is supported when the source database is an Oracle database for data synchronization. | Commercial use | |
| 3 | In a MySQL migration, functions are adjusted. | When you perform a full MySQL migration, you cannot take a snapshot for your databases. | Commercial use |
July 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | DRS automatically ends failed creation tasks. | If a task fails to be created, DRS retains the task for three days by default. After three days, the task automatically ends.
| Commercial use | |
| 2 | PostgreSQL is the source database for data synchronization. | Added verification of out-of-line storage of primary key columns when PostgreSQL is the source database for data synchronization. | Commercial use | |
| 3 | The backup migration page is optimized. | Optimized the description of Last Backup Migration on the Backup Migration page. | OBT | |
| 4 | Data can be synchronized to different topics for Oracle to Kafka synchronization. | Added support for synchronizing different table objects to different topics when Synchronization Object is set to Import object file for Oracle to Kafka synchronization. | Commercial use |
June 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | MongoDB supports flow control. | Real-time migration between MongoDB and DDS supports flow control. | Commercial use | |
| 2 | Real-time synchronization supports scheduled comparison. | Periodic row comparison for real-time synchronization from MySQL to GaussDB(DWS) is supported. | Commercial use | |
| 3 | More data flow types are supported for real-time migration. | Real-time migration from Redis to GaussDB(for Redis) to the cloud is supported. | OBT | |
| 4 | DDL operations can be skipped during real-time synchronization. | DDL operations can be skipped during real-time synchronization from MySQL to GaussDB(DWS). | Commercial use |
May 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Real-time synchronization supports multiple specifications. | Real-time synchronizations from GaussDB primary/standby to Kafka and from GaussDB distributed to Kafka support multiple specifications. | Commercial use | |
| 2 | New real-time synchronization scenarios are added. |
| OBT | |
| 3 | The read/write status of the destination database can be configured during the migration from MongoDB to DDS. | During real-time migration from MongoDB to DDS, the destination database can be set to read-only or read/write. | Commercial use | |
| 4 | Some migration/synchronization paths are put into commercial use. | The following data flows meet the commercial use standards.
| Commercial use | |
| 5 | Data processing is supported. | Real-time synchronization from MySQL to CSS/ES supports column mapping. | Commercial use |
April 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Cloning tasks is supported. |
| Commercial use | |
| 2 | The migration page is optimized. | The page for configuring the migration from MongoDB to DDS is optimized. | Commercial use | |
| 3 | The source DB2 for LUW database supports SSL. | The source database that is DB2 for LUW 10.5 or later supports SSL. | Commercial use | |
| 4 | Real-time disaster recovery supports the yearly/monthly billing mode. | Dual-active DR tasks support the yearly/monthly billing mode. | Commercial use | |
| 5 | Task tags are optimized. | Adjusted the length and character range of tag keys and tag values. | Commercial use |
March 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | A real-time synchronization scenario is supported. | Real-time synchronization from GaussDB distributed to GaussDB primary/standby is supported. | OBT | |
| 2 | Data processing is supported. | Real-time synchronization from MySQL to CSS/ES and from TaurusDB to CSS/ES support data filtering and column filtering. | Commercial use | |
| 3 | Data filtering is optimized. | The length of the WHERE condition for data filtering is changed to 512 characters. | Commercial use | |
| 4 | DB2 for LUW 10.1 and 11.1 are supported. | Real-time synchronization from DB2 for LUW to GaussDB supports DB2 for LUW 10.1 and 11.1, and the task can be edited. | Commercial use | |
| 5 | The delay notifications can be disabled. | The delay notifications can be disabled. If the delay threshold is set to 0, no notification is sent to the recipient. | Commercial use | |
| 6 | The MongoDB migration task supports more functions. |
| Commercial use | |
| 7 | The Oracle synchronization task supports more functions. | If an Oracle database is the source during real-time synchronization, the accumulated number of operations on each table can be displayed. | Commercial use | |
| 8 | Real-time disaster recovery supports multiple specifications and yearly/monthly billing. | Some real-time DR tasks support multiple specifications and yearly/monthly billing. | Commercial use |
February 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | The parameter modification function is optimized. | DRS allows you to enter multiples of a parameter value when you change parameters during comparison in the MySQL migration and DR scenarios. | Commercial use | |
| 2 | Snapshots can be exported during the synchronization of PostgreSQL databases. | You can export snapshots during real-time synchronization from PostgreSQL to PostgreSQL. | Commercial use | |
| 3 | The replication slot name can be specified. | You can specify the replication slot name during the real-time synchronization from GaussDB to Kafka and from PostgreSQL to Kafka. | OBT | |
| 4 | The backup migration page is optimized. | The GUI elements of the DRS backup migration function are optimized. | OBT | |
| 5 | Batch operations | Tasks can be stopped in batches. | Commercial use | |
| 6 | Real-time synchronization supports multiple specifications. | You can select different specifications when creating specified synchronization tasks. | Commercial use |
January 2022
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Backup migration supports more database versions. | Microsoft SQL Server 2019 backups can be migrated to the cloud. | OBT | |
| 2 | Objects can be imported using files. | During real-time synchronization from PostgreSQL to PostgreSQL, the objects can be imported using files. | Commercial use | |
| 3 | The destination database can be DDS 4.2. | During real-time migration from MongoDB to DDS, the destination database can be DDS 4.2. | Commercial use | |
| 4 | A real-time synchronization scenario is supported. | DRS supports out-of-cloud synchronization from PostgreSQL to Kafka. | Commercial use | |
| 5 | DB2 for LUW 10.5 and 11.5 are supported. | Real-time synchronization from DB2 for LUW to GaussDB supports DB2 for LUW 10.5 and 11.5 and large objects. | Commercial use | |
| 6 | Some scenarios are put into commercial use. | MySQL to CSS/ES synchronization is put into commercial user. | Commercial use |
December 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | The features of the synchronization of source GaussDB databases are modified. | The real-time synchronization of GaussDB as the source does not support database-level synchronization. | Commercial use | |
| 2 | The interface is adjusted. | The Send Notifications option is moved to the task confirmation page. | Commercial use | |
| 3 | Yearly/Monthly mode is supported. | Real-time synchronization tasks can be billed on a yearly/monthly basis. | Commercial use | |
| 4 | Synchronization of PostgreSQL databases can be paused. | PostgreSQL to PostgreSQL synchronization can be paused and reset. | Commercial use | |
| 5 | A real-time synchronization scenario is supported. |
| Commercial use |
November 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | A real-time synchronization scenario is supported. |
| OBT | |
| 2 | Some scenarios are in open beta testing. | The following data flows are in open beta testing.
| OBT | |
| 3 | PostgreSQL migration | Real-time migration from PostgreSQL to PostgreSQL is not supported. You can choose synchronization from PostgreSQL to PostgreSQL as an alternative. | OBT | |
| 4 | New field types are supported during column processing. | DRS supports new field types during MySQL to TaurusDB data processing. | Commercial use |
September 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | A real-time synchronization scenario is supported. |
| OBT | |
| 2 | Task cloning is supported. | DRS supports task cloning for MySQL real-time synchronization. | Commercial use | |
| 3 | Synchronization from MySQL to GaussDB distributed supports comparison. | Synchronization from MySQL to GaussDB distributed supports object-level and row-level comparison. | Commercial use | |
| 4 | DDLs can be filtered out in some scenarios. | Supported synchronization scenarios: MySQL to MySQL, MySQL to TaurusDB, MySQL to GaussDB(DWS), and MySQL to PostgreSQL. | OBT | |
| 5 | Some scenarios are in open beta testing. | The following data flows are in open beta testing.
| OBT | |
| 6 | The product architecture description and function principles are added. | The DRS architecture description and function principles are added. | OBT |
August 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Some real-time migration scenarios are not supported. | DRS does not support the following real-time migration scenarios. If necessary, you can use the real-time synchronization instead.
| Commercial use | |
| 2 | PostgreSQL 13 is supported. | DRS supports real-time synchronization for PostgreSQL 13. | Commercial use | |
| 3 | A real-time synchronization scenario is supported. |
| Commercial use | |
| 4 | DRS supports migration of accounts from MySQL to TaurusDB primary/standby. | DRS supports migration of permissions and accounts from MySQL to TaurusDB. | Commercial use | |
| 5 | The task exception notification is modified. | The DRS task exception notification is selected from the SMN topic. | Commercial use | |
| 6 | Some scenarios are in open beta testing. | The following data flows are in open beta testing.
| OBT | |
| 7 | Data comparison results can be exported. | DRS supports exporting data comparison results. | Commercial use |
July 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | A real-time synchronization scenario is supported. |
| OBT | |
| 2 | Some scenarios are put into commercial use. | Oracle to GaussDB(DWS) synchronization is put into commercial use. | Commercial use | |
| 3 | DRS supports read and write settings for the destination DB instance. | For real-time migration from MySQL to GaussDB(for MySQL), the destination database is set to read/write or read-only. | Commercial use | |
| 4 | MySQL synchronization supports column processing. | MySQL to MySQL real-time synchronization supports column processing. | Commercial use | |
| 5 | PostgreSQL synchronization supports the synchronization of users and permissions. | DRS supports user and permission synchronization and user comparison during PostgreSQL to PostgreSQL real-time synchronization. | Commercial use |
June 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Bill adjustment |
| Commercial use | |
| 2 | New permissions are added. | DRS adds new permissions, allowing users to perform all operations except deleting instances. | OBT | |
| 3 | A real-time synchronization scenario is supported. | DRS supports out-of-cloud synchronization from DDM to Kafka. | OBT | |
| 4 | Some scenarios are put into commercial use. | The following data flows support commercial use:
| Commercial use |
May 2021
| No. | Feature | Description | Phase | Document |
|---|---|---|---|---|
| 1 | Incremental synchronization supports some DDL statements. |
| OBT | Incremental DDL Synchronization from PostgreSQL to PostgreSQL |
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