Decision Workspace
arcshift vs arc-swap vs hazarc
Side-by-side comparison of Rust crates
61
arcshift
growingv0.4.3
Replacement for std::sync::Arc<T> that supports updating the value, with some caveats.
70
arc-swap
stablev1.9.1
Atomically swappable Arc
53
hazarc
experimentalv0.2.0
A wait-free AtomicArc optimized for read-intensive use cases.
Core Metrics
| arcshift | arc-swap | hazarc | |
|---|---|---|---|
| Health Score | 61 | 70 | 53 |
| Total Downloads | 42.9K | 225.5M | 18.4K |
| 30d Downloads | 1.4K | 17.1M | 8.9K |
| Dependents | 77 | 11.7K | 4 |
| Releases | 24 | 46 | 2 |
| Last Updated | 3d ago | 52d ago | 106d ago |
| Age | 1y 9m | 8y 1m | 3m |
Health Breakdown
arcshift
Maintenance
19
Quality
11
Community
10
Popularity
6
Documentation
15
arc-swap
Maintenance
15
Quality
16
Community
19
Popularity
8
Documentation
12
hazarc
Maintenance
12
Quality
16
Community
8
Popularity
5
Documentation
12
Technical Details
| arcshift | arc-swap | hazarc | |
|---|---|---|---|
| Version | 0.4.3 | 1.9.1 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 12 | 5 |
| Crate Size | 66KB | 81KB | 37KB |
| Features | 8 | 4 | 5 |
| Yanked % | 58.3% | 17.4% | 0.0% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | 1.75.0 | — | 1.65 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •arc-swap leads with a health score of 70/100, but none of the options score above 80.
- •arc-swap is depended on by 11.7K crates — strongest ecosystem trust.
- •arcshift, hazarc are pre-1.0 — API may change.