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cachetastic

1.0.0
1.0.0 0.3.0 0.2.0 0.1.3 0.1.2 retired 0.1.0

A unified caching library for Elixir with support for ETS and Redis backends.

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cachetastic CHANGELOG.md
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CHANGELOG.md 

# Changelog



All notable changes to this project will be documented in this file.



## [1.0.0] - 2026-04-01



### Added

- **Redis connection pooling** via NimblePool (`Cachetastic.Backend.RedisPool`) with configurable `pool_size`

- **Thundering herd protection** in `fetch` — per-key locking via `Cachetastic.Lock` ensures only one process computes the fallback

- **Key namespacing** — configurable `key_prefix` to avoid collisions in shared Redis instances

- **Pattern-based invalidation** — `delete_pattern/1-2` using Redis SCAN

- **Redis Pub/Sub adapter** — `Cachetastic.PubSub.RedisPubSub` for distributed invalidation without BEAM clustering

- **Dialyzer** — zero warnings, added `dialyxir` to dev dependencies



### Changed

- Version bump to 1.0.0 — stable public API



## [0.3.0] - 2026-04-01



### Added

- Redis connection pooling, thundering herd protection, key namespacing, pattern invalidation, Redis Pub/Sub adapter



### Fixed

- CI pipeline: updated `setup-beam` to v1, Elixir 1.18/OTP 27



## [0.2.0] - 2026-04-01



### Added

- OTP Application with proper supervision tree (Registry + DynamicSupervisor)

- Telemetry events for all cache operations

- Configurable serialization with pluggable behaviour (JSON + ErlangTerm)

- Multiple named caches with isolated storage

- `fetch/2-4` with fallback function

- Cache stats tracking via `Cachetastic.Stats`

- Multi-layer L1/L2 caching backend (`Cachetastic.Backend.MultiLayer`)

- Distributed pub/sub invalidation via Erlang `:pg`

- Ecto integration updated to use configurable serializer

- Typespecs on all public functions



### Fixed

- **Connection leak**: backends are now supervised GenServers started once

- **ETS TTL**: entries now expire via lazy check on read + active sweep

- **Config crash**: `backup_backend/0` no longer crashes without backup configured

- **Fault tolerance**: `:not_found` is never retried or fallen back on



### Changed

- Elixir requirement bumped to `~> 1.14`

- `start_link/0` removed — app auto-starts via OTP



## [0.1.3] - 2024-07-10



### Added

- Ecto integration for caching query results

- ETS and Redis backends with fault tolerance

- Initial release on Hex