Decision Workspace
fastcdc vs chunkrs vs clast
Side-by-side comparison of Rust crates
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
48
clast
experimentalv1.0.2
A Rust library for Content-Defined Chunking (CDC).
Core Metrics
| fastcdc | chunkrs | clast | |
|---|---|---|---|
| Health Score | 50 | 49 | 48 |
| Total Downloads | 437.8K | 81 | 103 |
| 30d Downloads | 52.0K | 9 | 5 |
| Dependents | 128 | 0 | 0 |
| Releases | 18 | 5 | 3 |
| Last Updated | 341d ago | 33d ago | 80d ago |
| Age | 7y 1m | 1m | 3m |
Health Breakdown
fastcdc
Maintenance
6
Quality
20
Community
8
Popularity
7
Documentation
9
chunkrs
Maintenance
11
Quality
15
Community
6
Popularity
2
Documentation
15
clast
Maintenance
15
Quality
18
Community
3
Popularity
2
Documentation
10
Technical Details
| fastcdc | chunkrs | clast | |
|---|---|---|---|
| Version | 3.2.1 | 0.9.0 | 1.0.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT | MIT |
| Dependencies | 12 | 5 | 5 |
| Crate Size | 44KB | 34KB | 15KB |
| Features | 3 | 4 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 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.
- •chunkrs is pre-1.0 — API may change.