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mmap-io
v0.9.4 ExperimentalHigh-performance, async-ready memory-mapped file I/O library for Rust. Supports fast segment-based loading, updates, and persistence. Designed for database engines, game runtimes, and real-time applications.
Apache-2.0 Edition 2021 MSRV 1.76
AsynchronousData structuresDatabase implementationsFilesystem #database#async#mmap#memory-mapped#file-io
Quick Verdict
- !Pre-1.0: API may have breaking changes
- ✓Permissive license (Apache-2.0)
Security
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Downloads
6.6K
Dependents
36
Releases
5
Size
70KB
Deep Insights
📊
Stable downloads
1.4K downloads in the last 30 days (48/day). Volume is roughly flat compared to the previous period.
Health Breakdown
Maintenance 10/25
Recency, release consistency, active ratio
Quality 15/25
Yanked ratio, deps, size, maturity, features
Community 10/20
Reverse deps, ownership, ecosystem
Popularity 5/15
Downloads, momentum, growth trend
Documentation 15/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
40/day avg+135%
Top Dependents
Most downloaded crates that depend on mmap-io
Version Adoption
v0.9.4
64%
v0.8.0
16%
v0.9.0
10%
v0.1.0
5%
v0.7.5
5%
Release Timeline
5 releasessince 2025
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LessMore
Feature Flags
default =["advise", "iterator"]
cowasyncwatchadvise*atomiclockingiterator*hugepages
README
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Maintainers
Dependencies
10
direct dependencies
Dependents
36
crates depend on mmap-io