Decision Workspace
append_kv vs lsm-db vs grumpydb
Side-by-side comparison of Rust crates
40
append_kv
experimentalv0.1.0
A simple, persistent append-only key-value store built in Rust.
57
lsm-db
experimentalv1.0.0
Log-structured merge-tree storage engine for Rust. Memtable, leveled SSTables, background compaction, and bloom-filtered point reads over a durable wal-db log. A composable storage engine for embedded databases and Hive DB.
52
grumpydb
experimentalv5.0.0
A disk-based object storage engine with B+Tree indexing and page-based storage
Core Metrics
| append_kv | lsm-db | grumpydb | |
|---|---|---|---|
| Health Score | 40 | 57 | 52 |
| Total Downloads | 28 | 141 | 255 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 3 |
| Releases | 1 | 9 | 12 |
| Last Updated | 192d ago | 34d ago | 74d ago |
| Age | 6m | 1m | 2m |
Health Breakdown
append_kv
Maintenance
5
Quality
14
Community
6
Popularity
2
Documentation
13
lsm-db
Maintenance
17
Quality
16
Community
6
Popularity
3
Documentation
15
grumpydb
Maintenance
12
Quality
14
Community
8
Popularity
3
Documentation
15
Technical Details
| append_kv | lsm-db | grumpydb | |
|---|---|---|---|
| Version | 0.1.0 | 1.0.0 | 5.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 3 | 11 | 13 |
| Crate Size | 7KB | 123KB | 188KB |
| Features | 0 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lsm-db leads with a health score of 57/100, but none of the options score above 80.
- •grumpydb has the most downloads (255), suggesting wider adoption.
- •append_kv is pre-1.0 — API may change.