ReadySet is a SQL caching engine that helps developers build performant, real-time applications without making code changes or switching databases.

It supports millions of queries per second with sub-millisecond latencies on a single node, all while keeping cached state up-to-date automatically. Any time a write changes the data in the underlying database ReadySet automatically updates any affected cached query results. Readyset is wire-compatible with MySQL and Postgres and can be used with existing applications without code changes. It is a simpler and more cost effective alternative to homegrown caching layers and read replica hierarchies.