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Release notes

Last Updated: Aug 04, 2021

June 2020

Feature

Description

Section

Documentation

Data synchronization to Hologres

Data synchronization from DataHub to Hologres is supported.

Data Synchronization

Synchronize data to Hologres

Compatibility with Kafka

Data can be written to DataHub by using a native Kafka client.

Developer Guide

Compatibility with Kafka

Data synchronization with Canal

Incremental data can be synchronized from MySQL to DataHub by using Canal.

Plug-ins

DataHub plug-in for Canal

CloudMonitor

Resources in DataHub can be monitored by CloudMonitor.

User Guide

Configure monitoring and alerting in CloudMonitor

New data types

The following new data types are supported: TINYINT, SMALLINT, INTEGER, and FLOAT.

Product Introduction

Terms

October 2020

Feature

Description

Section

Documentation

Display of the storage size of a topic

The storage size of a topic is displayed on the topic list page and the topic details page.

User Guide

Manage topics

Service-linked role for DataHub

When you synchronize data from DataHub to Object Storage Service (OSS), Tablestore, or Function Compute, the AliyunServiceRoleForDataHub service-linked role is automatically created if you use STS for authentication. Before this feature is released, you must manually authorize DataHub to access Alibaba Cloud services.

Data Synchronization

Service-linked role for DataHub

Descriptions added to fields during schema creation

Descriptions can be added to fields when you create a schema.

User Guide

Manage topics

November 2020

Feature

Description

Section

Documentation

Fields added to a topic by modifying the schema in the DataHub console

Fields can be added to a topic by modifying the schema in the DataHub console.

User Guide

Manage topics

Changes of fields to be synchronized

The fields to be synchronized can be changed on the details page of a DataConnector.

Data Synchronization

Modify a DataConnector

December 2020

Feature

Description

Section

Documentation

Descriptions added to fields

Descriptions can be added to fields in DataHub SDK V2.18 for Java.

SDK Reference

DataHub SDK for Java

January 2021

Feature

Description

Section

Documentation

Update of the console command-line tool

The console command-line tool is updated to support more features.

User Guide

Console command-line tool

March 2021

Feature

Description

Section

Documentation

Details

Setting of the TimestampUnit parameter

The TimestampUnit parameter can be set when you create a DataConnector to synchronize data to MaxCompute.

User Guide

Synchronize data to MaxCompute

New features of DataHub in March 2021

Compatibility with Kafka

Read and write operations by using a native Kafka client are supported in DataHub.

Developer Guide

Compatibility with Kafka

Compatibility with Kafka