Decision Workspace
mnesis-fjall vs varvedb vs umadb-dcb
Side-by-side comparison of Rust crates
45
mnesis-fjall
experimentalv0.1.0
Fjall-backed event store adapter for the Mnesis event-sourcing framework
49
varvedb
experimentalv0.4.2
A high-performance, embedded, append-only event store for Rust.
59
umadb-dcb
experimentalv0.6.4
Dynamic Consistency Boundary (DCB) API - Core types and traits for UmaDB event store
Core Metrics
| mnesis-fjall | varvedb | umadb-dcb | |
|---|---|---|---|
| Health Score | 45 | 49 | 59 |
| Total Downloads | 18 | 319 | 2.3K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 142 |
| Releases | 1 | 9 | 30 |
| Last Updated | 1d ago | 205d ago | 6d ago |
| Age | 1d | 7m | 8m |
Health Breakdown
mnesis-fjall
Maintenance
13
Quality
13
Community
5
Popularity
2
Documentation
12
varvedb
Maintenance
11
Quality
14
Community
6
Popularity
3
Documentation
15
umadb-dcb
Maintenance
19
Quality
15
Community
11
Popularity
4
Documentation
10
Technical Details
| mnesis-fjall | varvedb | umadb-dcb | |
|---|---|---|---|
| Version | 0.1.0 | 0.4.2 | 0.6.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 16 | 18 | 6 |
| Crate Size | 79KB | 134KB | 9KB |
| Features | 4 | 10 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.95.0 | 1.81.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •umadb-dcb leads with a health score of 59/100, but none of the options score above 80.
- •umadb-dcb is depended on by 142 crates — strongest ecosystem trust.