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65

sdd

v4.8.6 Stable

Scalable lock-free delayed memory reclaimer

Apache-2.0 Edition 2024 MSRV 1.85.0
ConcurrencyData structuresMemory management #concurrent#garbage#memory#epoch#lock-free

Quick Verdict

  • โœ“Actively maintained (updated 39d ago)
  • โœ“Stable API (4.x for 2+ years)
  • โœ“Trusted by 166 crates
  • โœ“Permissive license (Apache-2.0)
  • !36% of releases were yanked

Security

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Downloads
64.5M
Dependents
166
Releases
69
Size
59KB

Deep Insights

๐Ÿ“Š
Steady growth

6.0M downloads in the last 30 days (200.4K/day), up 5% from the previous period.

๐Ÿ”—
Moderate adoption

166 crates depend on sdd. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 69 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

36% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include scc, idr-ebr, scc2, masstree, ptab. When high-quality crates choose sdd, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
199K/day avg-9%
0100K200K300K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v4.7.5
49%
v4.8.6
32%
v4.7.3
14%
v4.8.3
3%
v4.8.5
1%

Release Timeline

10 releases1 yankedsince 2026
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2026
10
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Feature Flags

loom

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
166
crates depend on sdd

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