Decision Workspace
mmap-io vs diesel-async vs deadpool
Side-by-side comparison of Rust crates
55
mmap-io
experimentalv0.9.4
High-performance, async-ready memory-mapped file I/O library for Rust. Supports fast segment-based loading, updates, and persistence. Designed for database engines, game runtimes, and real-time applications.
69
diesel-async
growingv0.8.0
An async extension for Diesel the safe, extensible ORM and Query Builder
68
deadpool
growingv0.13.0
Dead simple async pool
Core Metrics
| mmap-io | diesel-async | deadpool | |
|---|---|---|---|
| Health Score | 55 | 69 | 68 |
| Total Downloads | 6.6K | 5.5M | 78.8M |
| 30d Downloads | 1.3K | 487.3K | 6.4M |
| Dependents | 36 | 1.4K | 2.1K |
| Releases | 5 | 21 | 33 |
| Last Updated | 219d ago | 7d ago | 38d ago |
| Age | 7m | 3y 6m | 6y 4m |
Health Breakdown
mmap-io
Maintenance
10
Quality
15
Community
10
Popularity
5
Documentation
15
diesel-async
Maintenance
19
Quality
16
Community
14
Popularity
8
Documentation
12
deadpool
Maintenance
16
Quality
15
Community
17
Popularity
8
Documentation
12
Technical Details
| mmap-io | diesel-async | deadpool | |
|---|---|---|---|
| Version | 0.9.4 | 0.8.0 | 0.13.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 22 | 11 |
| Crate Size | 70KB | 73KB | 45KB |
| Features | 9 | 12 | 6 |
| Yanked % | 0.0% | 0.0% | 3.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.76 | 1.84.0 | 1.85 |
| Owners | 1 | 1 | 3 (team) |
Links
Quick Verdict
- •diesel-async leads with a health score of 69/100, but none of the options score above 80.
- •deadpool has the most downloads (78.8M), suggesting wider adoption.
- •deadpool is depended on by 2.1K crates — strongest ecosystem trust.