Decision Workspace
arcshift vs arc-swap vs hazarc
Side-by-side comparison of Rust crates
52
arcshift
growingv0.4.2
Replacement for std::sync::Arc<T> that supports updating the value, with some caveats.
73
arc-swap
stablev1.9.0
Atomically swappable Arc
50
hazarc
experimentalv0.2.0
A wait-free AtomicArc optimized for read-intensive use cases.
Core Metrics
| arcshift | arc-swap | hazarc | |
|---|---|---|---|
| Health Score | 52 | 73 | 50 |
| Total Downloads | 40.9K | 193.4M | 2.8K |
| 30d Downloads | 1.1K | 15.0M | 1.8K |
| Dependents | 56 | 8.8K | 2 |
| Releases | 23 | 45 | 2 |
| Last Updated | 238d ago | 6d ago | 47d ago |
| Age | 1y 7m | 7y 11m | 1m |
Health Breakdown
arcshift
Maintenance
10
Quality
11
Community
10
Popularity
6
Documentation
15
arc-swap
Maintenance
18
Quality
16
Community
19
Popularity
8
Documentation
12
hazarc
Maintenance
11
Quality
16
Community
7
Popularity
4
Documentation
12
Technical Details
| arcshift | arc-swap | hazarc | |
|---|---|---|---|
| Version | 0.4.2 | 1.9.0 | 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 % | 60.9% | 17.8% | 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 73/100, but none of the options score above 80.
- •arc-swap is depended on by 8.8K crates — strongest ecosystem trust.
- •arcshift, hazarc are pre-1.0 — API may change.