Decision Workspace
ferntree vs pagecache vs rsdb
Side-by-side comparison of Rust crates
54
ferntree
experimentalv0.7.0
Concurrent in-memory B+ Tree featuring optimistic lock coupling
51
pagecache
growingv0.19.4
lock-free pagecache and log for high-performance databases
38
rsdb
growingv0.12.1
a flash-sympathetic persistent lock-free B+ tree, pagecache, and log
Core Metrics
| ferntree | pagecache | rsdb | |
|---|---|---|---|
| Health Score | 54 | 51 | 38 |
| Total Downloads | 1.7K | 181.5K | 35.5K |
| 30d Downloads | 1.8K | 1.4K | 0 |
| Dependents | 3 | 59 | 2 |
| Releases | 6 | 57 | 23 |
| Last Updated | 4d ago | 2449d ago | 3184d ago |
| Age | 12d | 8y 3m | 9y 6m |
Health Breakdown
ferntree
Maintenance
16
Quality
13
Community
8
Popularity
4
Documentation
13
pagecache
Maintenance
7
Quality
15
Community
11
Popularity
6
Documentation
12
rsdb
Maintenance
4
Quality
14
Community
4
Popularity
5
Documentation
11
Technical Details
| ferntree | pagecache | rsdb | |
|---|---|---|---|
| Version | 0.7.0 | 0.19.4 | 0.12.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT/Apache-2.0 | Apache-2.0 |
| Dependencies | 15 | 19 | 20 |
| Crate Size | 199KB | 78KB | 76KB |
| Features | 4 | 10 | 3 |
| Yanked % | 0.0% | 1.8% | 0.0% |
| Edition | 2021 | 2018 | — |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ferntree leads with a health score of 54/100, but none of the options score above 80.
- •pagecache has the most downloads (181.5K), suggesting wider adoption.
- •⚠ pagecache, rsdb have not been updated in over a year.