Decision Workspace
rw_lease vs async-lock vs async-rwlock
Side-by-side comparison of Rust crates
39
rw_lease
growingv0.1.0
Fast Reader-Writer lock with reader draining support. Based on a single (parameterisable) atomic usize.
73
async-lock
stablev3.4.2
Async synchronization primitives
62
async-rwlock
growingv1.3.1
Async reader-writer lock
Core Metrics
| rw_lease | async-lock | async-rwlock | |
|---|---|---|---|
| Health Score | 39 | 73 | 62 |
| Total Downloads | 1.7K | 192.4M | 2.8M |
| 30d Downloads | 3 | 12.3M | 27.3K |
| Dependents | 0 | 3.4K | 227 |
| Releases | 1 | 32 | 8 |
| Last Updated | 2072d ago | 96d ago | 360d ago |
| Age | 5y 8m | 6y 10m | 6y 10m |
Health Breakdown
rw_lease
Maintenance
1
Quality
16
Community
6
Popularity
4
Documentation
12
async-lock
Maintenance
13
Quality
20
Community
20
Popularity
8
Documentation
12
async-rwlock
Maintenance
6
Quality
19
Community
17
Popularity
8
Documentation
12
Technical Details
| rw_lease | async-lock | async-rwlock | |
|---|---|---|---|
| Version | 0.1.0 | 3.4.2 | 1.3.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MPL-2.0 | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 2 | 9 | 5 |
| Crate Size | 11KB | 40KB | 7KB |
| Features | 1 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2018 |
| MSRV | — | 1.85 | — |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •async-lock leads with a health score of 73/100, but none of the options score above 80.
- •async-lock is depended on by 3.4K crates — strongest ecosystem trust.
- •⚠ rw_lease has not been updated in over a year.
- •rw_lease is pre-1.0 — API may change.