Decision Workspace
lmdb-queue vs xs-lib vs priority-queue
Side-by-side comparison of Rust crates
43
lmdb-queue
experimentalv0.4.0
A lightning fast disk based queue, meta data is stored in lmdb.
38
xs-lib
growingv0.4.0
xs-lib is a command-line tool (xs) and a Rust library (xs_lib) for recording and retrieving sequential streams of payloads. It uses Lightning Memory-Mapped Database (LMDB) for local data storage.
69
priority-queue
growingv2.7.0
A Priority Queue implemented as a heap with a function to efficiently change the priority of an item.
Core Metrics
| lmdb-queue | xs-lib | priority-queue | |
|---|---|---|---|
| Health Score | 43 | 38 | 69 |
| Total Downloads | 4.3K | 3.8K | 20.7M |
| 30d Downloads | 14 | 5 | 1.7M |
| Dependents | 0 | 0 | 1.5K |
| Releases | 12 | 3 | 55 |
| Last Updated | 242d ago | 1030d ago | 181d ago |
| Age | 8m | 2y 10m | 8y 8m |
Health Breakdown
lmdb-queue
Maintenance
11
Quality
16
Community
2
Popularity
4
Documentation
10
xs-lib
Maintenance
5
Quality
13
Community
6
Popularity
4
Documentation
10
priority-queue
Maintenance
11
Quality
20
Community
15
Popularity
8
Documentation
15
Technical Details
| lmdb-queue | xs-lib | priority-queue | |
|---|---|---|---|
| Version | 0.4.0 | 0.4.0 | 2.7.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT | LGPL-3.0-or-later OR MPL-2.0 |
| Dependencies | 3 | 8 | 9 |
| Crate Size | 15KB | 10KB | 52KB |
| Features | 2 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.65.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •priority-queue leads with a health score of 69/100, but none of the options score above 80.
- •priority-queue is depended on by 1.5K crates — strongest ecosystem trust.
- •⚠ xs-lib has not been updated in over a year.
- •lmdb-queue, xs-lib are pre-1.0 — API may change.