The free public preview of Alibaba Cloud Streaming Storage Fluss begins on January 13, 2026.
How to participate
Log on to the Alibaba Cloud Streaming Storage Fluss activation page to enable the service. You can use the service immediately after it is enabled.
Public preview limitations
Be aware of the following limitations during the public preview period when you plan your resources:
Region limitations
Only the following regions on the Alibaba Cloud China Website (www.aliyun.com) are supported:Beijing, Shanghai, Hangzhou, Shenzhen, and Ulanqab
Singapore
Resource quotas
Number of clusters: Each user can create a maximum of 2 clusters.
Compute resources: The maximum number of cores for Tablet Servers in a single cluster is 80. You cannot scale out the cluster after this limit is reached.
Service-Level Agreement (SLA)
During the public preview, compensation is not provided based on the SLA. However, all service features are available and their performance is not degraded.Billing
Fluss product fees: During the public preview, Streaming Storage Fluss is free of charge.
Associated costs: If you use Fluss with other cloud products in certain scenarios, such as the lake-stream integration feature, you may incur associated costs. For more information, see Billable items.
Other agreements
For all other terms and conditions, see the Alibaba Cloud Product Public Preview Agreement.
Call for public preview feedback
We invite you to provide suggestions or submit evaluation reports for Alibaba Cloud Streaming Storage Fluss during the public preview. We will send official custom Fluss merchandise to users who provide high-quality feedback. We look forward to your valuable input.