instacart/makara

High-performance proxy for MySQL and PostgreSQL

IdentityCache is a blob level caching solution to plug into Active Record. Don't #find, #fetch!

A modern, simple and very fast Mysql library for Ruby - binding to libmysql

Trilogy is a client library for MySQL-compatible database servers, designed for performance, flexibility, and ease of embedding.

Readyset is a MySQL and Postgres wire-compatible caching layer that sits in front of existing databases to speed up queries and horizontally scale read throughput. Under the hood, ReadySet caches the results of cached select statements and incrementally updates these results over time as the underlying data changes.

Rails/ActiveRecord support for distributed multi-tenant databases like Postgres+Citus

Oracle enhaced adapter for ActiveRecord

Scalable PostgreSQL connection pooler

⚡ Powerful tool for avoiding N+1 DB or HTTP queries