jemallocator
v0.5.4 GrowingA Rust allocator backed by jemalloc
Quick Verdict
- โNot updated for 2+ years
- !Pre-1.0: API may have breaking changes
- โMassive adoption (2.8K crates depend on it)
- โPermissive license (MIT/Apache-2.0)
Security
Deep Insights
855.0K downloads in the last 30 days (28.5K/day), up 27% from the previous period.
2.8K crates depend on jemallocator. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 10+ years old, jemallocator hasn't reached 1.0 yet. Expect potential API changes between versions.
At 13KB, jemallocator is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include lz4_flex, aws-smithy-eventstream, jemalloc-ctl, simd-json, pingora-core. When high-quality crates choose jemallocator, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on jemallocator
Version Adoption
Release Timeline
Feature Flags
default =["background_threads_runtime_support"]