This topic describes the supported editions of Message Queue for Apache Kafka instances to help you choose an appropriate instance edition.

Supported editions

The following table describes each instance edition of Message Queue for Apache Kafka.

Item Standard Edition (High Write) Professional Edition (High Write) Professional Edition (High Read)
Versions Versions 0.10.x to 2.x are supported. Versions 0.10.x to 2.x are supported.
Ratio of maximum read traffic to maximum write traffic 1:1 1:1 5:1
Instance type Virtual instance where specific resources are shared Dedicated instance
Message retention period Up to seven days Customizable
Disaster recovery Single-zone deployment Multi-zone deployment
Performance optimization Not supported Customizable
Cross-region message router Not supported Not supported
Topic quota The number of topics that you can create is the same as the number of topics that you purchase. The number of topics that you can create is twice the number of topics that you purchase.
Access control list (ACL) Not supported Supported
SSL-based message encryption in virtual private clouds (VPCs) Not supported Supported
Cross-zone Not supported Supported
Message downloads Not supported Supported
Resource sharing Specific resources are shared and network jitters may occur. All resources are exclusive.
Disk capacity If you purchase a disk of 300 GB in size, the actual storage space that you can use to store your business data is 100 GB. The remaining 200 GB is used to store backups. If you purchase a disk of 300 GB in size, the actual storage space that you can use to store your business data is 300 GB. An additional 600 GB of storage space is free for you to store backups.