SpacetimeDB: A Revolutionary Rust Database and Server

2023/08/09

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The article introduces SpacetimeDB, a new database written in Rust that combines the functionalities of a database and a server. Unlike traditional setups where a server sits between clients and the database, SpacetimeDB allows clients to connect directly to the database and execute application logic inside the database itself. This eliminates the need for microservices, containers, Kubernetes, and other infrastructure components. SpacetimeDB is designed to be used for real-time applications like games and chat, offering maximum speed and minimum latency. It achieves this by holding all application state in memory and persisting the data in a write-ahead-log (WAL). The article highlights that SpacetimeDB is orders of magnitude faster than smart contract systems and provides an example of an MMORPG, BitCraft Online, where the entire backend is built using SpacetimeDB. Developers can use SpacetimeDB as an embedded database library to extend their own applications. Overall, SpacetimeDB offers a revolutionary approach to application development, simplifying the architecture and improving performance.