Decision Workspace
log4rs-fluentd vs env_filter vs env_logger
Side-by-side comparison of Rust crates
33
log4rs-fluentd
growingv0.2.0
Fluentd appender for log4rs
75
env_filter
stablev1.0.1
Filter log events using environment variables
74
env_logger
growingv0.11.10
A logging implementation for `log` which is configured via an environment variable.
Core Metrics
| log4rs-fluentd | env_filter | env_logger | |
|---|---|---|---|
| Health Score | 33 | 75 | 74 |
| Total Downloads | 6.8K | 113.6M | 413.3M |
| 30d Downloads | 5 | 11.3M | 23.1M |
| Dependents | 0 | 435 | 135.0K |
| Releases | 2 | 7 | 58 |
| Last Updated | 2839d ago | 4d ago | 4d ago |
| Age | 7y 9m | 2y 2m | 11y 2m |
Health Breakdown
log4rs-fluentd
Maintenance
3
Quality
14
Community
3
Popularity
5
Documentation
8
env_filter
Maintenance
19
Quality
19
Community
17
Popularity
8
Documentation
12
env_logger
Maintenance
18
Quality
17
Community
19
Popularity
8
Documentation
12
Technical Details
| log4rs-fluentd | env_filter | env_logger | |
|---|---|---|---|
| Version | 0.2.0 | 1.0.1 | 0.11.10 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 3 | 5 |
| Crate Size | 8KB | 15KB | 32KB |
| Features | 0 | 2 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.71 | 1.71 |
| Owners | 1 | 2 (team) | 6 (team) |
Links
Quick Verdict
- •env_filter leads with a health score of 75/100, but none of the options score above 80.
- •env_logger has the most downloads (413.3M), suggesting wider adoption.
- •env_logger is depended on by 135.0K crates — strongest ecosystem trust.
- •⚠ log4rs-fluentd has not been updated in over a year.
- •log4rs-fluentd, env_logger are pre-1.0 — API may change.