Help Center/ Data Replication Service/ What's New

Updated on 2025-07-22 GMT+08:00

View PDF

What's New

The following tables describe the features released in each DRS version and corresponding documentation updates. New features will be successively launched.

January 2025

No.	Feature	Description	Phase	Document
1	Improved task delay calculation for real-time synchronization from Redis	Optimized the delay calculation for real-time synchronization from GeminiDB Redis, Redis, or Redis Cluster during incremental synchronization.	Commercial use	-
2	Optimized task details export	Added task specifications to the task list page and supported the export of task specifications. Added object selection information during task export.	Commercial use	How Can I Export a DRS Task List?

December 2024

No.	Feature	Description	Phase	Document
1	More data flows supported for the abnormal data module	Added the abnormal data module for real-time synchronization from MySQL to GaussDB.	Commercial use	-
2	More data flows supported for task editing	Supported task editing for real-time synchronization from MySQL to PostgreSQL. Supported task editing for real-time synchronization from DDM to MySQL. Supported task editing for real-time synchronization from DDM to Oracle and from Oracle to DDM.	Commercial use	Editing Synchronization Objects
3	More data flows supported for object name mapping	Supported object name mapping for real-time synchronization from DDM.	Commercial use	Mapping Object Names
4	More data types supported for real-time synchronization from Oracle	Supported the big-endian mode for parsing Oracle physical logs.	Commercial use	-
5	More data types supported for real-time synchronization from GaussDB	Supported data of the JSONB type for real-time synchronization from GaussDB to GaussDB.	Commercial use	From GaussDB Centralized to GaussDB Centralized
6	More data flows supported for data comparison	Supported object comparison for Redis migration.	Commercial use	Comparing Migration Items
7	Exception connection diagnosis	Adapted the new connection diagnosis process to check diagnosis results in real time.	Open beta testing	Connection Diagnosis
8	More data flows supported for data repair	Supported data repair for real-time synchronization from MySQL to MySQL.	Open beta testing	Comparing Migration Items

October 2024

No.	Feature	Description	Phase	Document
1	New version adaptation of RDS for PostgreSQL	Supported RDS for PostgreSQL 15 and 16.	Commercial use	From PostgreSQL to PostgreSQL
2	Reading standby redo logs for synchronization from Oracle	Supported Binary Reader for reading standby redo logs from the physical standby database for real-time synchronization from Oracle.	Commercial use	From Oracle to GaussDB Centralized
3	Specifying a logical replication slot	Supported specifying the name of a logical replication slot.	Commercial use	From PostgreSQL to PostgreSQL
4	DRS task parameter settings	Allowed users to change task parameters.	Commercial use	-
5	More data flows supported for real-time synchronization	Supported real-time synchronization from Redis to GeminiDB Redis.	Open beta testing	-

August 2024

No.	Feature	Description	Phase	Document
1	Progress display of task editing	Displayed the progress of editing a task.	Commercial use	Editing Synchronization Objects
2	Retry after task failure during task editing	Added a retry mechanism for failed tasks.	Commercial use	Editing Synchronization Objects
3	More task metrics on the list page	Added RPS and network flow control information on the list page.	Commercial use	Querying the Synchronization Progress
4	Online DDL synchronization for real-time synchronization from MySQL	Supported Online DDL synchronization for MySQL table-level synchronization.	Commercial use	From MySQL to MySQL
5	New version adaptation of RDS for SQL Server	Supported RDS for SQL Server 2022 for data synchronization and backup migration.	Commercial use	From Microsoft SQL Server to Microsoft SQL Server

July 2024

No.	Feature	Description	Phase	Document
1	Index sequence during full migration from MySQL to MySQL	Allowed users to choose the sequence of migrating indexes and table data during real-time migration from MySQL to MySQL.	Commercial use	From MySQL to MySQL
2	New version adaptation of DDS	Supported DDS 5.0.	Commercial use	From DDS to MongoDB
3	More data flows supported for real-time synchronization	Supported full+incremental and full migrations from Azure SQL Server to GuassDB Centralized.	Commercial use	-
4	More data flows supported for workload replay	Supported workload replay using Amazon MySQL as the source database.	Commercial use	Replay Overview

June 2024

No.	Feature	Description	Phase	Document
1	More data flows supported for real-time synchronization	Supported real-time synchronization from Microsoft SQL Server to PostgreSQL.	Open beta testing	-
2	More data flows supported for sampling comparison	Supported sampling comparison for MongoDB migration.	Open beta testing	Comparing Migration Items
3	More data flows supported for real-time synchronization	Supported real-time synchronization from DynamoDB to GeminiDB Cassandra or DynamoDB API	Open beta testing	-
4	More data flows supported for real-time synchronization	Supported full+incremental and full migrations from Azure SQL Server to GuassDB Centralized.	Open beta testing	-
5	Pausing a task immediately after it is started	Allowed a task to be paused immediately when it is started for the first time. Only initialization tasks are supported.	Commercial use	From DDS to MongoDB

May 2024

No.	Feature	Description	Phase	Document
1	Two-way synchronization	Supported two-way synchronization for MySQL.	Open beta testing	-
2	Incremental DDLs	Allowed users to choose whether to synchronize incremental DDLs during data synchronization from MySQL to GaussDB and from Oracle to GaussDB.	Commercial use	From MySQL to GaussDB Primary/Standby
3	Data processing	Supported column processing for synchronization from MySQL to GaussDB(for MySQL) and from DDM to MySQL.	Commercial use	Processing Data
4	Task creation	Allowed users to choose whether to enable binlog clearing for the destination RDS for MySQL database when creating a DRS task.	Commercial use	From MySQL to MySQL
5	Real-time disaster recovery	Allowed users to disable read-only of the destination database for a paused single-active DR task.	Commercial use	-

April 2024

No.	Feature	Description	Phase	Document
1	Real-time migration	Supported migration from a cluster to a replica set for MongoDB-to-DDS migration.	Commercial use	Supported Databases
2	Synchronization mode change for a task	Supported changing the synchronization mode for a MySQL-to-GaussDB(for MySQL) synchronization task.	Commercial use	-
3	Synchronization progress	Supported synchronization object skipping during the full synchronization.	Commercial use	Querying the Synchronization Progress
4	Data comparison	Supported data filtering for value comparison.	Commercial use	Comparing Synchronization Items
5	Data processing	Changed the maximum number of tables that can be filtered to 512.	Commercial use	Processing Data

March 2024

No.	Feature	Description	Phase	Document
1	Some scenarios are put into commercial use.	The following data flow scenarios meet the commercial use standards: Real-time migration from Redis to GeminiDB Redis Real-time migration from GeminiDB Redis to Redis Real-time synchronization from PostgreSQL to GaussDB(DWS)	Commercial use	Billed Items
2	Some scenarios are in open beta testing.	The following data flow scenarios are in open beta testing. Real-time migration from Cluster Redis to GeminiDB Redis Real-time synchronization from MySQL to MariaDB Real-time synchronization from MariaDB to MySQL Real-time synchronization from MariaDB to GaussDB(for MySQL)	Open beta testing	Supported Databases
3	Task creation	When creating a task using a public network, you need to manually specify an EIP.	Commercial use	Creating a Synchronization Task
4	Workload replay	Supported the display of workload replay progress in percentage.	Open beta testing	Querying the Replay Progress

December 2023

No.	Feature	Description	Phase	Document
1	New real-time synchronization scenarios	Supported real-time synchronization from MySQL to MariaDB. Supported real-time synchronization from MariaDB to MySQL. Supported real-time synchronization from MariaDB to GaussDB(for MySQL).	Open beta testing	Supported Databases
2	Parameter management for a synchronization task	Supported task parameter changing for real-time synchronization.	Open beta testing	-
3	Task management for data subscription	Supported task resetting and resuming for data subscription.	Open beta testing	Task Management
4	DNS server configuration	Supported DNS server configuration for real-time migration from MySQL to MySQL and from Redis to GeminiDB Redis.	Open beta testing	From MySQL to MySQL

November 2023

No.	Feature	Description	Phase	Document
1	New real-time synchronization scenarios	Supported out-of-cloud synchronization from Microsoft SQL Server to Kafka.	Open beta testing	Supported Databases
2	Synchronization progress	Supported progress details viewing for real-time synchronization.	Open beta testing	Querying the Synchronization Progress
3	Task specifications	Supported ultra-large specifications for real-time synchronization.	Commercial use	Real-Time Synchronization
4	More PostgreSQL versions	Supported PostgreSQL 15 for DRS real-time synchronization.	Commercial use	Supported Databases
5	Commercial use of some real-time synchronization scenarios	The following data flow scenarios meet the commercial use standards. Real-time synchronization from MySQL to GaussDB Primary/Standby Real-time synchronization from MySQL to GaussDB Distributed Real-time synchronization from DDS to Kafka Real-time synchronization from GaussDB Primary/Standby to MySQL Real-time synchronization from GaussDB Primary/Standby to GaussDB Distributed Real-time synchronization from GaussDB Distributed to MySQL Real-time synchronization from GaussDB Distributed to GaussDB Primary/Standby	Commercial use	Billed Items
6	DR direction exchange	Supported direction exchange for dual-active DR.	Open beta testing	-

October 2023

No.	Feature	Description	Phase	Document
1	Functions for real-time synchronization optimized	Supported partition table synchronization in the incremental phase for real-time synchronization with DB2 for LUW serving as the source database. Added the requirement for uploading the JDBC driver package when testing the connection for real-time synchronization with DB2 for LUW serving as the source database.	Commercial use	Synchronization Overview
2	Specification upgrade	Added support for upgrading task specifications for all DRS multi-specification tasks.	Commercial use	Changing Specifications
3	Traffic replay reporting	Added support for downloading the replay report for a DRS traffic replay task.	Open beta testing	Viewing the Replay Reporting

September 2023

No.	Feature	Description	Phase	Document
1	Resetting synchronization position	Supported synchronization position resetting for tasks from MySQL to GaussDB(DWS).	Commercial use	Unavailable
2	Traffic replay	Added support for traffic replay from MySQL to MySQL, MySQL to GaussDB(for MySQL), and GaussDB(for MySQL) to GaussDB(for MySQL).	Open beta testing	Replay Overview

August 2023

No.	Feature	Description	Phase	Document
1	Selecting whether to migrate incremental accounts and permissions	Supported selecting whether to migrate incremental accounts and permissions during real-time migration from MySQL to MySQL.	Commercial use	From MySQL to MySQL
2	DDL type added	Supported customizing DROP PARTITION and RENAME COLUMN for incremental DDL synchronization from MySQL to MySQL.	Commercial use	From MySQL to MySQL
3	DDL type added	Supported COMMENT ON for incremental DDL synchronization from PostgreSQL to PostgreSQL.	Commercial use	From PostgreSQL to PostgreSQL
4	Filtering DRS tasks by DB instance information	Supported DRS task filtering by DB instance ID or database IP address.	Open beta testing	-

July 2023

No.	Feature	Description	Phase	Document
1	Supported AZ selection.	Supported AZ selection for DRS migration, synchronization, and DR tasks.	Open beta testing	Creating a Migration Task

June 2023

No.	Feature	Description	Phase	Document
1	Supported more Oracle versions.	Supported Oracle 21c for DRS real-time synchronization.	Open beta testing	Supported Databases
2	Supported more synchronization modes.	Supported full synchronization and incremental synchronization for real-time synchronization from DDM to MySQL and DDM to Oracle.	Open beta testing	Supported Databases
3	Supported data processing.	Supported data filtering for real-time synchronization from DB2 for LUW to GaussDB.	Commercial use	Processing Data
4	Supported object name mapping.	Supported object name mapping for real-time synchronization from GaussDB to GaussDB.	Commercial use	Mapping Object Names
5	Supported more functions for real-time synchronization.	Supported the selection of synchronization object types for real-time synchronization from MySQL to GaussDB.	Commercial use	From MySQL to GaussDB Distributed

May 2023

No.	Feature	Description	Phase	Document
1	Tasks can be imported.	Supported task importing for creating migration and synchronization tasks.	Open beta testing	-
2	There are more data flow scenarios for real-time synchronization.	Supported out-of-cloud synchronization from DDS to Kafka.	Commercial use	Supported Databases
3	More GaussDB(DWS) versions are supported.	Supported GaussDB(DWS) 8.2.0.	Commercial use	Supported Databases
4	The incremental DDL type can be selected.	Supported DDL type selection for synchronization tasks from Oracle to GaussDB.	Commercial use	From Oracle to GaussDB Primary/Standby

April 2023

No.	Feature	Description	Phase	Document
1	Connection test optimization	Supported quick diagnosis if a DRS connection test fails.	Commercial use	-
2	Supported more DDS versions.	Supported real-time migration and synchronization of DDS 4.2.	Commercial use	Supported Databases
3	Supported more PostgreSQL versions.	Supported PostgreSQL 13 and 14 for to-the-cloud real-time synchronization from Oracle to PostgreSQL.	Commercial use	Supported Databases
4	Supported more data flow scenarios for real-time synchronization.	Supported real-time synchronization from MariaDB to MariaDB.	Commercial use	Supported Databases
5	Specification upgrade	Supported specification upgrade in single-node MySQL-to-Kafka synchronization tasks.	Commercial use	Changing Specifications
6	Supported more synchronization modes.	Supported the full mode for to-the-cloud synchronization from MySQL to MySQL. Supported the incremental mode for real-time synchronization from Oracle to MySQL and from Oracle to GaussDB(DWS). Supported the full and full+incremental modes for real-time synchronization from GaussDB Distributed to MySQL.	Commercial use	Supported Databases
7	Some scenarios are put into commercial use.	The following data flow scenarios meet the commercial use standards. Real-time synchronization from Oracle to GaussDB Primary/Standby Real-time synchronization from Oracle and GaussDB Distributed Real-time synchronization from GaussDB(for MySQL) to GaussDB(for MySQL) Real-time synchronization from GaussDB Primary/Standby to GaussDB Primary/Standby Real-time synchronization from GaussDB Distributed to GaussDB Distributed Real-time synchronization from GaussDB(for MySQL) to GaussDB(for MySQL)	Commercial use	Billed Items

March 2023

No.	Feature	Description	Phase	Document
1	Supported more data flow scenarios for real-time synchronization.	Supported to-the-cloud synchronization from GaussDB(for MySQL) to GaussDB(for MySQL). Supported out-of-cloud synchronization from PostgreSQL to PostgreSQL.	Open beta testing	Supported Databases
2	Supported more data flow scenarios for online migration.	Supported to-the-cloud migration from cluster Redis to GaussDB(for Redis).	Open beta testing	Supported Databases
3	Supported data migration of MongoDB 4.4.	Supported the source MongoDB 4.4 for to-the-cloud migration from MongoDB to DDS.	Commercial use	Supported Databases
4	Specification upgrade	Supported specification upgrade for real-time DR from MySQL to MySQL.	Commercial use	-
5	GUI improvement	On the DRS task creation page, changed the options of DRS Task Type to Single-AZ and Dual-AZ.	Commercial use	-

February 2023

No.	Feature	Description	Phase	Document
1	Supported data migration of MongoDB 3.6.	Supported the source MongoDB 3.6 for to-the-cloud migration from MongoDB to DDS.	Commercial use	Supported Databases
2	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.	Open beta testing	Supported Databases
3	Specification upgrade	Supported specification upgrade in single-node MySQL-to-GaussDB(DWS) synchronization tasks.	Commercial use	Changing Specifications
4	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	Comparing Migration Items

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).	Open beta testing	Supported Databases
2	Supported more PostgreSQL versions.	Supported PostgreSQL 14 for real-time synchronization with PostgreSQL serving as the source.	Commercial use	Supported Databases
3	Supported more ElasticSearch versions.	Supported ElasticSearch 7.10 for real-time synchronization from MySQL to CSS/ES and from GaussDB(for MySQL) to CSS/ES.	Commercial use	Supported Databases
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.	Open beta testing	Mapping Data Types
5	Supported start point setting.	Supported start point setting for incremental synchronization from MySQL to Kafka and from GaussDB(for MySQL) to Kafka.	Commercial use	From MySQL to Kafka
6	Optimized the search function for object selection.	Supported object searching using regular expressions.	Commercial use	Editing Synchronization Objects

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	Real-Time Synchronization
2	Synchronization policy	Supported the topic and partition policies for real-time synchronization from Oracle to Kafka.	Commercial use	From Oracle to Kafka
3	The synchronization scenario is optimized when a self-built distributed GaussDB database is used as the source.	A synchronization task can be created by specifying DN connection information when the source is self-built GaussDB distributed.	Commercial use	From GaussDB Distributed to Oracle
4	Synchronization mode	Supported the full+incremental mode for real-time synchronization from MySQL to Kafka and synchronization from GaussDB(for MySQL) primary/standby to Kafka.	Commercial use	Supported Databases
5	Querying the synchronization progress	Supported the progress viewing for real-time synchronization from MySQL to Kafka and synchronization from GaussDB to Kafka.	Commercial use	Querying the Synchronization Progress
6	Querying the migration progress	Supported the progress viewing for online migration from MySQL to GaussDB(for MySQL) primary/standby.	Commercial use	Querying the Migration Progress

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	Upgrading instance specifications	Supported specification upgrade in single-node MySQL synchronization tasks.	Commercial use	Changing Specifications
3	More data flow types are supported for real-time migration.	Supported real-time migration from GaussDB(for Redis) to Redis (from the cloud)	Open beta testing	Supported Databases
4	More data flow types are supported for real-time synchronization.	Supported real-time synchronization from Microsoft SQL Server to GaussDB primary/standby (to the cloud) Supported real-time synchronization from Microsoft SQL Server to GaussDB distributed (to the cloud)	Open beta testing	Supported Databases
5	Some scenarios are put into commercial use.	The following data flows meet the commercial use standards. Real-time synchronization from Oracle to GaussDB primary/standby Real-time synchronization from Oracle and GaussDB distributed Real-time synchronization from MongoDB to DDS Real-time synchronization from GaussDB primary/standby to Oracle Real-time synchronization from GaussDB primary/standby to GaussDB(DWS) Real-time synchronization from GaussDB primary/standby to Kafka Real-time synchronization from GaussDB distributed to Oracle Real-time synchronization from GaussDB distributed to GaussDB(DWS) Real-time synchronization from GaussDB distributed to Kafka	Commercial use	Billed Items

October 2022

No.	Feature	Description	Phase	Document
1	A new function is added in real-time synchronization from Microsoft SQL Server to GaussDB (DWS).	Added support for selecting the synchronization object type during real-time synchronization from Microsoft SQL Server to GaussDB (DWS).	Commercial use	From Microsoft SQL Server to GaussDB(DWS)
2	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	Checking Whether GTID Is Enabled for the Source Database

September 2022

No.

Feature

Description

Phase

Document

1

Data Replication Service (DRS) is rolled out.

DRS is a stable, efficient, and easy-to-use cloud service for real-time database migration and synchronization.

Application Scenarios:

Migrating self-built databases on the ECS to the cloud
Migrating on-premises databases to the cloud
Migrating other cloud databases to Huawei Cloud.

Commercial use

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel