Region Groups give you control over where your data resides. Each database, including storage, and compute services exist in a separate geographic region. This makes it possible to comply with data locality legislation, such as the General Data Protection Regulation (GDPR) while benefiting from the built-in Fauna distributed service features.
Region Group nodes are physically located relatively close together, which reduces the round-trip time to acknowledge consistent writes compared to global replication, improving performance for many workloads.
Region Group selection exists at the database level. When a database is in a Region Group, it is fully isolated from other Region Groups and is never replicated in other Region Groups.
A database and all its contents, including child databases, can exist only in a single Region Group.
United States: three replicas in the United States
Europe: three replicas in Europe
Global: two replicas in the United States, one replica in Europe
An intelligent routing layer is used to connect your client applications to the Region Group for your database based on the secret. No change to your client applications is needed to use Region Groups.
You can choose a Region Group when you create a database:
Log in to the Fauna Dashboard and click the CREATE-DATABASE button.
In Region Group, choose the Region Group you want from the menu options.
After completing the remaining fields to configure your database, click the CREATE button.
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