Decision Workspace
cdchunking vs fastcdc vs chunkrs
Side-by-side comparison of Rust crates
46
cdchunking
growingv1.0.1
Content-defined chunking
50
fastcdc
growingv3.2.1
FastCDC (content defined chunking) in pure Rust.
49
chunkrs
experimentalv0.9.0
A high-performance, deterministic, flexible and portable zero-copy streaming Content-Defined Chunking (CDC) and hashing infrastructure library. Bytes in → Chunks & hashes out
Core Metrics
| cdchunking | fastcdc | chunkrs | |
|---|---|---|---|
| Health Score | 46 | 50 | 49 |
| Total Downloads | 33.3K | 437.8K | 81 |
| 30d Downloads | 516 | 52.0K | 9 |
| Dependents | 28 | 128 | 0 |
| Releases | 7 | 18 | 5 |
| Last Updated | 2049d ago | 341d ago | 33d ago |
| Age | 8y 7m | 7y 1m | 1m |
Health Breakdown
cdchunking
Maintenance
3
Quality
20
Community
7
Popularity
5
Documentation
11
fastcdc
Maintenance
6
Quality
20
Community
8
Popularity
7
Documentation
9
chunkrs
Maintenance
11
Quality
15
Community
6
Popularity
2
Documentation
15
Technical Details
| cdchunking | fastcdc | chunkrs | |
|---|---|---|---|
| Version | 1.0.1 | 3.2.1 | 0.9.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 1 | 12 | 5 |
| Crate Size | 7KB | 44KB | 34KB |
| Features | 0 | 3 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2018 | 2024 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastcdc leads with a health score of 50/100, but none of the options score above 80.
- •fastcdc is depended on by 128 crates — strongest ecosystem trust.
- •⚠ cdchunking has not been updated in over a year.
- •chunkrs is pre-1.0 — API may change.