Decision Workspace
lsm-tree vs fjall vs brk_fjall
Side-by-side comparison of Rust crates
60
lsm-tree
growingv3.1.2
A K.I.S.S. implementation of log-structured merge trees (LSM-trees/LSMTs)
65
fjall
stablev3.1.2
Log-structured, embeddable key-value storage engine
51
brk_fjall
experimentalv2.11.8
Log-structured, embeddable key-value storage engine
Core Metrics
| lsm-tree | fjall | brk_fjall | |
|---|---|---|---|
| Health Score | 60 | 65 | 51 |
| Total Downloads | 639.9K | 626.8K | 584 |
| 30d Downloads | 238.4K | 235.0K | 6 |
| Dependents | 111 | 746 | 0 |
| Releases | 93 | 92 | 4 |
| Last Updated | 9d ago | 9d ago | 130d ago |
| Age | 2y 3m | 2y 3m | 5m |
Health Breakdown
lsm-tree
Maintenance
18
Quality
11
Community
12
Popularity
7
Documentation
12
fjall
Maintenance
18
Quality
14
Community
14
Popularity
7
Documentation
12
brk_fjall
Maintenance
12
Quality
18
Community
6
Popularity
3
Documentation
12
Technical Details
| lsm-tree | fjall | brk_fjall | |
|---|---|---|---|
| Version | 3.1.2 | 3.1.2 | 2.11.8 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 21 | 12 | 14 |
| Crate Size | 180KB | 82KB | 81KB |
| Features | 4 | 5 | 7 |
| Yanked % | 48.4% | 42.4% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.90 | 1.90.0 | 1.76.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fjall leads with a health score of 65/100, but none of the options score above 80.
- •lsm-tree has the most downloads (639.9K), suggesting wider adoption.
- •fjall is depended on by 746 crates — strongest ecosystem trust.