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Easier scaling with multi-database support!

Blog post from Firebase

Post Details
Company
Date Published
Author
Kevin Jian
Word Count
753
Company Posts That Month
6
Language
English
Hacker News Points
-
Post removed?
No
Summary

Firebase introduced multi-database support for Realtime Database projects to simplify scaling through sharding without requiring separate Firebase projects. Available on the Blaze plan, the feature lets developers create multiple database instances within one project, access secondary instances using absolute URLs, and retain a shared Firebase Authentication session rather than relying on custom authentication. Applications can distribute data using strategies such as a master shard that maps data locations, separate databases by data type, or isolated databases for individual customers in multi-tenant services. Each instance maintains independent security rules and can be tested in the console, while Cloud Functions for Firebase can trigger events from a specified database instance or use the default instance when none is named. Existing applications must update their SDKs to supported versions before using the feature.

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