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sdd

v4.8.8 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 11d ago)
  • โœ“Stable API (4.x for 2+ years)
  • โœ“Trusted by 173 crates
  • โœ“Permissive license (Apache-2.0)
  • !36% of releases were yanked

Security

Checking security advisories...
Downloads
74.0M
Dependents
173
Releases
72
Size
59KB

Deep Insights

๐Ÿ“Š
Stable downloads

5.4M downloads in the last 30 days (178.9K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

173 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 72 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 18/25

Recency, release consistency, active ratio

Quality 14/25

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
173K/day avg-54%
0100K200K300K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v4.8.6
89%
v4.8.8
5%
v4.8.3
3%
v4.8.5
2%
v4.8.2
0%

Release Timeline

10 releases2 yankedsince 2026
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2026
10
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Yanked

Feature Flags

loom

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
173
crates depend on sdd

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