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lru

v0.16.3 Growing

A LRU cache implementation

MIT MSRV 1.70.0

Quick Verdict

  • โœ“Actively maintained (updated 79d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (16.1K crates depend on it)
  • โœ“Tiny footprint (17KB, 3 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
201.5M
Dependents
16.1K
Releases
68
Size
17KB

Deep Insights

๐Ÿ“Š
Steady growth

18.2M downloads in the last 30 days (605.3K/day), up 14% from the previous period.

๐Ÿ›๏ธ
Foundational crate

16.1K crates depend on lru โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โš ๏ธ
Single maintainer risk

lru has only 1 owner despite 16.1K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, lru hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 16KB, lru is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include tracing-log, redis, aws-sdk-s3, async-graphql, tantivy. When high-quality crates choose lru, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
497K/day avg+63%
0200K400K600K800K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.12.5
52%
v0.7.8
16%
v0.12.3
15%
v0.16.3
9%
v0.13.0
8%

Release Timeline

68 releases6 yankedsince 2016
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2024
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2026
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Feature Flags

default =["hashbrown"]

nightly

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
16.1K
crates depend on lru

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