Decision Workspace
obs-prom vs zlayer-observability vs pg_exporter
Side-by-side comparison of Rust crates
51
obs-prom
experimentalv0.2.1
Prometheus scrape exporter for obs: derives counters, gauges, and histograms from MEASUREMENT-annotated envelope fields.
55
zlayer-observability
experimentalv0.11.23
OpenTelemetry tracing and Prometheus metrics for ZLayer
50
pg_exporter
experimentalv0.11.1
PostgreSQL metric exporter for Prometheus
Core Metrics
| obs-prom | zlayer-observability | pg_exporter | |
|---|---|---|---|
| Health Score | 51 | 55 | 50 |
| Total Downloads | 64 | 780 | 6.6K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 3 | 21 | 0 |
| Releases | 3 | 50 | 53 |
| Last Updated | 3d ago | 13d ago | 38d ago |
| Age | 18d | 3m | 8m |
Health Breakdown
obs-prom
Maintenance
14
Quality
13
Community
7
Popularity
2
Documentation
15
zlayer-observability
Maintenance
18
Quality
13
Community
9
Popularity
3
Documentation
12
pg_exporter
Maintenance
17
Quality
9
Community
6
Popularity
5
Documentation
13
Technical Details
| obs-prom | zlayer-observability | pg_exporter | |
|---|---|---|---|
| Version | 0.2.1 | 0.11.23 | 0.11.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Apache-2.0 | BSD-3-Clause |
| Dependencies | 7 | 18 | 39 |
| Crate Size | 20KB | 37KB | 249KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.95 | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •zlayer-observability leads with a health score of 55/100, but none of the options score above 80.
- •pg_exporter has the most downloads (6.6K), suggesting wider adoption.