Readyset Cloud

ReadySet Cloud is a fully managed, SQL-level caching proxy that sits transparently between an application and its MySQL or PostgreSQL database, automatically intercepting and caching read queries without requiring any code changes, schema modifications, or query rewrites. It is designed for engineering teams who need to scale database performance rapidly—often in under one day—without the operational overhead of provisioning read replicas, rewriting application logic, or deploying traditional caching layers like Redis or Memcached. The service targets organizations facing unpredictable query patterns, such as those powering AI and agentic workloads, where dynamically generated SQL can overwhelm conventional database scaling approaches. ReadySet Cloud is particularly suited for teams using AWS-hosted databases, offering one-click deployment, VPC peering, and support for custom AWS regions, making it a drop-in solution for production environments that demand sub-millisecond read latencies and reduced infrastructure costs.

ReadySet Cloud works by placing a lightweight, wire-compatible proxy between the application and the database. When a read query is executed, the proxy intercepts it, checks if the query has been cached at the SQL layer, and if so, serves the result from an in-memory cache—reducing query latency by up to 90% compared to a direct database round-trip. For queries that are not yet cached, the proxy forwards them to the database, automatically identifies slow or frequently executed queries, and begins caching them with live incremental updates that synchronize cached results with the source database in near real time. This eliminates the need for manual cache invalidation logic or custom caching solutions. According to the vendor, ReadySet can reduce infrastructure spend by 30-70% by offloading traffic from the database and avoiding expensive read replicas, while also saving approximately 40% on compute spend for typical workloads. The cloud tier starts at $199 per month and supports up to 10 cached queries initially, with the ability to scale to more queries as needed.

In the database caching and proxy market, ReadySet Cloud competes directly with PlanetScale and TiDB Serverless, both of which offer serverless, horizontally scalable database solutions. However, ReadySet differentiates itself by not being a database itself—it is a caching layer that works with existing MySQL and PostgreSQL databases, allowing teams to keep their current database vendor and schema while gaining performance improvements. PlanetScale, built on Vitess, provides a MySQL-compatible distributed database with built-in branching and connection pooling, but requires migrating to its platform and often involves schema changes. TiDB Serverless offers a NewSQL database with automatic sharding and horizontal scaling, but demands a full database migration and is based on a different architecture (PingCAP's TiDB). ReadySet's approach is more conservative: it adds a caching proxy without altering the underlying database, which appeals to teams that want to avoid migration risk but still need to handle read-heavy workloads or unpredictable query spikes. The vendor also offers a self-hosted Community edition (free, source-available under BSL) and a Private edition (custom pricing) for teams that need to bring their own cloud or have strict compliance requirements.

The most honest trade-off with ReadySet Cloud is that it only caches read queries—it does not accelerate writes, transactions, or complex analytical queries that involve full table scans or non-deterministic functions. Teams with write-heavy workloads or those requiring strong consistency on every read may find the caching layer adds latency for uncached queries and introduces eventual consistency for cached results. Additionally, the cloud tier's limit of 10 cached queries at the $199/month entry point may feel restrictive for applications with many distinct query patterns, and scaling beyond that requires moving to the Private tier with custom pricing, which can become expensive. There is also a dependency on AWS infrastructure: while VPC peering and custom regions are supported, teams using other cloud providers (GCP, Azure) may face additional networking complexity or latency. Finally, because ReadySet operates as a proxy, it introduces an additional hop in the request path, and if the proxy itself becomes a bottleneck or fails, all cached queries would need to fall back to the database, potentially causing a thundering herd problem if not properly configured with high availability.

Three tiers: ReadySet Community (free, self-hosted, source-available BSL), ReadySet Cloud (starting at $199/month, fully managed, up to 10 cached queries, high availability, VPC peering), and ReadySet Private (custom pricing, bring your own cloud or self-hosted, unlimited queries, enterprise SLAs).