whitfin/cachex

Health v2 · maintenance only

Adoption not part of the score

1743 stars · 123 forks observed · 2026-10-03

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Cachex is a fast in-memory key/value caching library for Elixir with optional features like TTL expiration, size limits, transactions, hooks, and node distribution. It integrates into OTP supervision trees and all features are opt-in.

Use cases

• cache expensive function results in memory
• add TTL-based expiration to cached values
• limit cache memory with max size protection
• share cache state across cluster nodes
• warm caches proactively or reactively
• run transactional cache operations with row locking
• gather statistics on cache hit rates

When to choose

• you need a battle-tested in-memory cache for an Elixir/Erlang application
• you want optional features like transactions, fallbacks, and expiration in one library
• you need distributed caching across BEAM nodes

When to avoid

• you need a persistent or disk-backed cache as the primary store
• you need a multi-language distributed cache like Redis
• your project is not on the BEAM platform

Facets

library · maturity stable

caching backend performance microservices elixir jvm in-memory-cache key-value-store ttl-expiration cache-warming transactions otp

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