Decision Workspace
rair-io vs mmap_json_file vs mmap-rs
Side-by-side comparison of Rust crates
32
rair-io
growingv0.1.0
IO subsystem for RAIR
40
mmap_json_file
growingv0.1.5
A library to parse, count, filter JSON files using memory mapped io library.
51
mmap-rs
growingv0.7.0
A cross-platform and safe Rust API to create and manage memory mappings in the virtual address space of the calling process.
Core Metrics
| rair-io | mmap_json_file | mmap-rs | |
|---|---|---|---|
| Health Score | 32 | 40 | 51 |
| Total Downloads | 4.0K | 8.3K | 636.4K |
| 30d Downloads | 57 | 9 | 80.8K |
| Dependents | 3 | 0 | 258 |
| Releases | 1 | 6 | 8 |
| Last Updated | 2280d ago | 2056d ago | 183d ago |
| Age | 6y 3m | 5y 7m | 4y 5m |
Health Breakdown
rair-io
Maintenance
1
Quality
14
Community
5
Popularity
4
Documentation
8
mmap_json_file
Maintenance
10
Quality
14
Community
5
Popularity
5
Documentation
6
mmap-rs
Maintenance
9
Quality
13
Community
10
Popularity
7
Documentation
12
Technical Details
| rair-io | mmap_json_file | mmap-rs | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.5 | 0.7.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | LGPL-3.0-or-later | MIT OR Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 7 | 7 | 10 |
| Crate Size | 25KB | 6KB | 31KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2018 | 2024 |
| MSRV | — | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mmap-rs leads with a health score of 51/100, but none of the options score above 80.
- •mmap-rs is depended on by 258 crates — strongest ecosystem trust.
- •⚠ rair-io, mmap_json_file have not been updated in over a year.