Decision Workspace
arc-swap vs arcshift vs hazarc
Side-by-side comparison of Rust crates
72
arc-swap
stablev1.9.2
Atomically swappable Arc
59
arcshift
growingv0.4.4
Replacement for std::sync::Arc<T> that supports updating the value, with some caveats.
51
hazarc
experimentalv0.2.0
A wait-free AtomicArc optimized for read-intensive use cases.
Core Metrics
| arc-swap | arcshift | hazarc | |
|---|---|---|---|
| Health Score | 72 | 59 | 51 |
| Total Downloads | 261.3M | 44.2K | 34.0K |
| 30d Downloads | 14.2M | 0 | 5.8K |
| Dependents | 17.6K | 77 | 5 |
| Releases | 47 | 25 | 2 |
| Last Updated | 15d ago | 25d ago | 155d ago |
| Age | 8y 3m | 1y 11m | 5m |
Health Breakdown
arc-swap
Maintenance
17
Quality
16
Community
19
Popularity
8
Documentation
12
arcshift
Maintenance
17
Quality
11
Community
10
Popularity
6
Documentation
15
hazarc
Maintenance
10
Quality
16
Community
8
Popularity
5
Documentation
12
Technical Details
| arc-swap | arcshift | hazarc | |
|---|---|---|---|
| Version | 1.9.2 | 0.4.4 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 12 | 5 | 5 |
| Crate Size | 81KB | 66KB | 37KB |
| Features | 4 | 8 | 5 |
| Yanked % | 17.0% | 56.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.75.0 | 1.65 |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •arc-swap leads with a health score of 72/100, but none of the options score above 80.
- •arc-swap is depended on by 17.6K crates — strongest ecosystem trust.
- •arcshift, hazarc are pre-1.0 — API may change.