Decision Workspace
ram-sentinel vs duende-mlock vs app-memory-usage-fetcher
Side-by-side comparison of Rust crates
47
ram-sentinel
experimentalv0.1.4
A surgical OOM prevention daemon for Linux desktops. Configurably monitors RAM, swap, and/or PSI (Pressure Stall Information) to selectively kill low-priority processes (e.g., browser tabs) before the system freezes.
55
duende-mlock
experimentalv1.0.0
Memory locking for swap-critical daemons (DT-007: Swap Deadlock Prevention)
54
app-memory-usage-fetcher
growingv0.3.0
Query a supported operating system to get the amount of memory used by the current Rust application.
Core Metrics
| ram-sentinel | duende-mlock | app-memory-usage-fetcher | |
|---|---|---|---|
| Health Score | 47 | 55 | 54 |
| Total Downloads | 58 | 1.0K | 23.2K |
| 30d Downloads | 6 | 118 | 2.3K |
| Dependents | 0 | 5 | 15 |
| Releases | 3 | 1 | 5 |
| Last Updated | 100d ago | 80d ago | 96d ago |
| Age | 3m | 2m | 1y 1m |
Health Breakdown
ram-sentinel
Maintenance
14
Quality
12
Community
6
Popularity
2
Documentation
13
duende-mlock
Maintenance
9
Quality
19
Community
8
Popularity
4
Documentation
15
app-memory-usage-fetcher
Maintenance
13
Quality
15
Community
9
Popularity
5
Documentation
12
Technical Details
| ram-sentinel | duende-mlock | app-memory-usage-fetcher | |
|---|---|---|---|
| Version | 0.1.4 | 1.0.0 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 14 | 3 | 1 |
| Crate Size | 39KB | 13KB | 9KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.85 | 1.87.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •duende-mlock leads with a health score of 55/100, but none of the options score above 80.
- •app-memory-usage-fetcher has the most downloads (23.2K), suggesting wider adoption.
- •ram-sentinel, app-memory-usage-fetcher are pre-1.0 — API may change.