Decision Workspace
jemalloc_pprof vs pyroscope vs feldera-size-of
Side-by-side comparison of Rust crates
64
jemalloc_pprof
growingv0.8.2
Convert jemalloc heap profiles to pprof to understand memory usage, fix memory leaks, and fix OOM Kills.
68
pyroscope
stablev2.0.0
Pyroscope Profiler Agent for continuous profiling of Rust, Python and Ruby applications.
57
feldera-size-of
growingv0.1.7
A crate for measuring the total memory usage of an object
Core Metrics
| jemalloc_pprof | pyroscope | feldera-size-of | |
|---|---|---|---|
| Health Score | 64 | 68 | 57 |
| Total Downloads | 6.3M | 6.2M | 50.9K |
| 30d Downloads | 941.8K | 453.4K | 3.6K |
| Dependents | 277 | 191 | 728 |
| Releases | 15 | 18 | 3 |
| Last Updated | 46d ago | 18d ago | 186d ago |
| Age | 2y 3m | 4y 3m | 1y 7m |
Health Breakdown
jemalloc_pprof
Maintenance
16
Quality
12
Community
15
Popularity
8
Documentation
13
pyroscope
Maintenance
17
Quality
14
Community
14
Popularity
8
Documentation
15
feldera-size-of
Maintenance
9
Quality
17
Community
18
Popularity
6
Documentation
7
Technical Details
| jemalloc_pprof | pyroscope | feldera-size-of | |
|---|---|---|---|
| Version | 0.8.2 | 2.0.0 | 0.1.7 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 12 | 17 | 14 |
| Crate Size | 26KB | 79KB | 32KB |
| Features | 2 | 7 | 10 |
| Yanked % | 6.7% | 5.6% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.66 | — |
| Owners | 2 | 5 (team) | 4 |
Links
Quick Verdict
- •pyroscope leads with a health score of 68/100, but none of the options score above 80.
- •jemalloc_pprof has the most downloads (6.3M), suggesting wider adoption.
- •feldera-size-of is depended on by 728 crates — strongest ecosystem trust.
- •jemalloc_pprof, feldera-size-of are pre-1.0 — API may change.