Pluggable in-process caching engine to build and scale high performance services
⚡ Executive Summary & Quick Facts
Authoritative SourceCacheLib is CacheLib is an open-source project written in C++: Pluggable in-process caching engine to build and scale high performance services..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), meta/CacheLib has accumulated 1,608 GitHub stars and 327 forks. It is written in C++, licensed under Apache-2.0, and ranks #6,451 globally. It is actively maintained with the latest commit recorded on Nov 4, 2026.”
| Repository | meta/CacheLib ↗ |
|---|---|
| Primary Category | cache |
| Language & Stack | C++ |
| Software License | Apache-2.0 |
| Community Traction | ★ 1.6K stars · ⑂ 327 forks · #6,451 globally |
| Maintenance | ● Active (Last commit: Nov 4, 2026) · 20 open issues |
| Target Audience | Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, CacheLib is actively maintained. Continuous telemetry recorded the last code commit on Nov 4, 2026 (9 days ago). Supported by 1,608 stars and 327 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+11
STARS · LAST 30 DAYS
1
PER DAY
#501
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +11 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +1 | +16 |
CacheLib gained 11 stars in the last 30 days, about 1 a day, and now has 1.6K. It is about 7 years old and has averaged roughly 230 stars a year. It ranks #501 among C++ repositories and #6,451 across all languages on GitHubRepo.
Trending Record
32
DAYS ON TRENDING
#3825
BEST RANK
Oct 7, 2026
FIRST APPEARANCE
Active
STATUS TODAY
CacheLib has maintained a continuous presence across global trending indexes, peaking at #3825. Below is the 30-day activity profile:
💡 Overview
CacheLib is an open-source project written in C++: Pluggable in-process caching engine to build and scale high performance services.
Engineered for speed, consistency, and developer ease, it solves common hurdles in cache, cache-engine, concurrency. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/facebook/CacheLib.git
cd CacheLib⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
CacheLib coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
High-Throughput Storage
Persist and retrieve structured data records with minimal latency and high concurrency.
In-Memory Caching
Accelerate application response times by caching frequently queried database entities.
Analytical Queries
Run aggregate metrics and point lookups across large sets of records.
Distributed Replication
Synchronize state across multiple cluster nodes with strong consistency guarantees.
🚀 Getting Started
Install CacheLib using your package manager: `git clone https://github.com/facebook/CacheLib.git`
Initialize your project workspace or configuration file for CacheLib.
Import CacheLib into your codebase or invoke it directly from your terminal.
Execute your test suite or run `CacheLib --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
meta/CacheLib is currently ranked #6,451 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,444 | kovetskiy/mark | Go | ★ 1.6K | Compare ↗ |
| #6,447 | ankane/lockbox | Ruby | ★ 1.6K | Compare ↗ |
| #6,448 | sporkmonger/addressable | Ruby | ★ 1.6K | Compare ↗ |
| #6,448 | orangecoding/fredy | JavaScript | ★ 1.6K | Compare ↗ |
| #6,448 | arabcoders/watchstate | PHP | ★ 1.6K | Compare ↗ |
| #6,451 | meta/CacheLib This Project | C++ | ★ 1.6K | |
| #6,451 | atinux/nuxt-auth-utils | TypeScript | ★ 1.6K | Compare ↗ |
| #6,453 | PolyMeilex/Neothesia | Rust | ★ 1.6K | Compare ↗ |
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| #6,454 | hughhowey/neo | JavaScript | ★ 1.6K | Compare ↗ |
| #6,456 | shenwei356/seqkit | Go | ★ 1.6K | Compare ↗ |
Frequently Asked Questions
What does CacheLib do? +
Pluggable in-process caching engine to build and scale high performance services
Is CacheLib actively maintained in 2026? +
Yes, CacheLib is actively maintained. The latest code push was recorded on Nov 4, 2026 (9 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 1,608 stars and 20 open issues.
What language is CacheLib written in? +
The primary language is C++. Topics include: cache, cache-engine, concurrency, cpp, performance.
How many stars does CacheLib have? +
CacheLib has 1,608 stars and 327 forks on GitHub.
How does CacheLib rank among GitHub repositories? +
With 1,608 stars, meta/CacheLib is ranked #6,451 globally across all repositories tracked on GitHubRepo and #501 among C++ projects.
What license is CacheLib distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
