Features and regions - Tablestore - Alibaba Cloud Documentation Center

This topic describes the Tablestore features that are in invitational preview and the features that are supported only in specific regions.

Features in invitational preview

The local transaction feature is in invitational preview and is supported in all regions. To enable the feature, submit a ticket.

Features supported in specific regions

The search index, KNN vector query, Tunnel Service, TimeSeries model, SQL query, data delivery, data encryption, data backup, zone-redundant storage (ZRS), and instance policy features are supported only in specific regions. The following table describes the regions.

Note

In the following table, a tick (√) indicates that the feature is supported in this region, and a cross (×) indicates that the feature is not supported in this region.

Region	Search index	KNN vector query	Tunnel Service	TimeSeries model	SQL query	Data delivery	Data encryption	Data backup	ZRS	Instance Policy

Region	Search index	KNN vector query	Tunnel Service	TimeSeries model	SQL query	Data delivery	Data encryption	Data backup	ZRS	Instance Policy
China (Hangzhou)	✓	✓	✓	✓	✓	✓	✓	✓	✓	√
China (Shanghai)	✓	✓	✓	✓	✓	✓	✓	✓	✓	√
China (Qingdao)	✓	✓	√	×	×	×	×	×	×	√
China (Beijing)	✓	✓	✓	✓	✓	✓	✓	✓	✓	√
China (Zhangjiakou)	✓	✓	✓	✓	✓	✓	✓	✓	✓	√
China (Hohhot)	×	×	√	×	×	×	×	√	×	√
China (Ulanqab)	✓	✓	✓	✓	√	×	√	×	✓	√
China (Shenzhen)	✓	✓	✓	✓	✓	✓	✓	✓	✓	√
China (Guangzhou)	✓	✓	√	×	×	×	×	×	×	√
China (Chengdu)	✓	✓	✓	✓	√	×	×	×	×	√
China (Hong Kong)	✓	✓	✓	✓	√	×	✓	✓	✓	√
Japan (Tokyo)	✓	✓	✓	✓	√	×	√	×	✓	√
Singapore	✓	✓	✓	✓	√	×	√	×	✓	√
Malaysia (Kuala Lumpur)	✓	✓	✓	✓	√	×	×	×	×	√
Indonesia (Jakarta)	✓	✓	✓	✓	√	×	√	×	✓	√
Philippines (Manila)	✓	✓	√	×	×	×	×	×	×	√
Thailand (Bangkok)	✓	✓	√	×	×	×	×	×	×	√
Germany (Frankfurt)	✓	✓	✓	✓	√	×	√	✓	✓	√
UK (London)	✓	✓	✓	✓	√	×	√	✓	×	√
US (Silicon Valley)	√	✓	✓	✓	√	×	√	✓	×	√
US (Virginia)	✓	✓	✓	✓	√	×	√	✓	×	√
UAE (Dubai)	×	×	×	×	×	×	×	×	×	√
SAU (Riyadh - Partner Region)	✓	✓	✓	✓	√	×	×	×	×	√