Decision Workspace
jdb_pgm vs pgm_index vs lancedb
Side-by-side comparison of Rust crates
43
jdb_pgm
experimentalv0.3.16
Ultra-fast learned index for sorted keys / 面向排序键的超快学习型索引
54
pgm_index
experimentalv0.3.2
Ultra-fast learned PGM-Index for efficient sorted key lookup with bounded error
67
lancedb
growingv0.27.1
LanceDB: A serverless, low-latency vector database for AI applications
Core Metrics
| jdb_pgm | pgm_index | lancedb | |
|---|---|---|---|
| Health Score | 43 | 54 | 67 |
| Total Downloads | 172 | 1.7K | 235.6K |
| 30d Downloads | 13 | 8 | 43.1K |
| Dependents | 0 | 1 | 465 |
| Releases | 10 | 5 | 49 |
| Last Updated | 70d ago | 224d ago | 8d ago |
| Age | 2m | 7m | 3y |
Health Breakdown
jdb_pgm
Maintenance
9
Quality
15
Community
6
Popularity
3
Documentation
10
pgm_index
Maintenance
15
Quality
15
Community
7
Popularity
4
Documentation
13
lancedb
Maintenance
18
Quality
14
Community
17
Popularity
6
Documentation
12
Technical Details
| jdb_pgm | pgm_index | lancedb | |
|---|---|---|---|
| Version | 0.3.16 | 0.3.2 | 0.27.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 14 | 7 | 79 |
| Crate Size | 70KB | 18KB | 316KB |
| Features | 5 | 2 | 14 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | 1.91.0 |
| Owners | 1 | 1 | 5 (team) |
Links
Quick Verdict
- •lancedb leads with a health score of 67/100, but none of the options score above 80.
- •lancedb is depended on by 465 crates — strongest ecosystem trust.