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lsm-tree

v3.1.2 Growing

A K.I.S.S. implementation of log-structured merge trees (LSM-trees/LSMTs)

MIT OR Apache-2.0 Edition 2021 MSRV 1.90
AlgorithmsData structuresDatabase implementations #leveldb#key-value#rocksdb#lsm#lsmt

Quick Verdict

  • โœ“Actively maintained (updated 9d ago)
  • โœ“Stable API (3.x for 2+ years)
  • โœ“Trusted by 111 crates
  • !Heavy dependency tree (21 direct deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
639.9K
Dependents
111
Releases
93
Size
180KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

256.6K downloads in the last 30 days (8.6K/day), up 185% from the previous period.

๐Ÿ”—
Moderate adoption

111 crates depend on lsm-tree. 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 93 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

21 direct dependencies. Consider the impact on compile times and supply chain complexity.

โš ๏ธ
Notable yanked versions

48% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include fjall, rotonda-store, graft, graft-client, brk_fjall. When high-quality crates choose lsm-tree, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
4K/day avg+277%
05K10K12/301/172/42/223/123/29

Top Dependents

Version Adoption

v3.0.2
42%
v2.10.3
19%
v2.10.4
17%
v3.0.1
13%
v2.10.0
10%

Release Timeline

93 releases45 yankedsince 2023
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2023
7
2024
38
2025
40
2026
8
Less
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Yanked

Feature Flags

lz4bytes_1metrics

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
111
crates depend on lsm-tree

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