Decision Workspace
shm-fd vs shm-snapshot vs shmap
Side-by-side comparison of Rust crates
42
shm-fd
growingv0.5.0
Like systemfd/listenfd but with a shared-memory file descriptor
40
shm-snapshot
growingv0.2.3
Wrap a shm file so that the read-only partner can snapshot the file partially without explicit synchronization
44
shmap
growingv0.5.0
A key-value store based on linux shared-memory files (shm) for persisting state across program restarts.
Core Metrics
| shm-fd | shm-snapshot | shmap | |
|---|---|---|---|
| Health Score | 42 | 40 | 44 |
| Total Downloads | 4.5K | 6.3K | 16.8K |
| 30d Downloads | 19 | 8 | 22 |
| Dependents | 5 | 0 | 0 |
| Releases | 3 | 5 | 14 |
| Last Updated | 797d ago | 664d ago | 384d ago |
| Age | 3y 11m | 2y 2m | 3y 11m |
Health Breakdown
shm-fd
Maintenance
4
Quality
16
Community
8
Popularity
4
Documentation
10
shm-snapshot
Maintenance
4
Quality
15
Community
6
Popularity
5
Documentation
10
shmap
Maintenance
8
Quality
13
Community
6
Popularity
5
Documentation
12
Technical Details
| shm-fd | shm-snapshot | shmap | |
|---|---|---|---|
| Version | 0.5.0 | 0.2.3 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MPL-2.0 | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 9 | 13 |
| Crate Size | 9KB | 21KB | 16KB |
| Features | 1 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •shmap leads with a health score of 44/100, but none of the options score above 80.
- •⚠ shm-fd, shm-snapshot, shmap have not been updated in over a year.