# lz4 を Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper, scoop でインストール

lz4 のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:lz4
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install lz4
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install lz4
```

  証拠: MacPorts ports tree: archivers/lz4/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add lz4
```

  証拠: Alpine Linux edge package indexes: lz4 from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install lz4
```

  証拠: Debian stable package indexes: lz4 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install lz4
```

  証拠: Fedora Rawhide package metadata: lz4 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#lz4
```

  証拠: nixpkgs package indexes: pkgs/by-name/lz/lz4/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S lz4
```

  証拠: Arch Linux sync databases: lz4 from https://geo.mirror.pkgbuild.com/core/os/x86_64/core.db.tar.gz

- zypper (92%):

```sh
sudo zypper install lz4
```

  証拠: openSUSE Tumbleweed package metadata: lz4 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

### Windows

- Scoop (92%):

```sh
scoop install main/lz4
```

  証拠: Scoop official bucket manifest trees: bucket/lz4.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1

## パッケージ情報

- **パッケージキー:** brew:lz4
- **パッケージマネージャ:** Homebrew
- **バージョン:** 1.10.0
- **ソース概要:** Extremely Fast Compression algorithm
- **ホームページ:** <https://lz4.github.io/lz4/>
- **リポジトリ:** <https://github.com/lz4/lz4>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- lz4 (エイリアス)
- lz4c (エイリアス)
- lz4cat (エイリアス)
- unlz4 (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 1.10.0
## プロジェクトの歴史と使われ方

LZ4 is a lossless compression format, C library, and command-line tool centered on very high compression and decompression throughput. The official project describes it as an algorithm with compression above 500 MB/s per core and a decoder that can run in the multiple-GB/s-per-core range, with LZ4_HC available when users want a slower but denser high-compression mode.

### プロジェクトの歴史

The reference implementation is associated with Yann Collet and dates to the early 2010s; the official library license carries a 2011 copyright line. The project settled into the familiar Unix package shape of a small C library plus CLI programs such as lz4, unlz4, lz4cat, and legacy-compatible lz4c.

LZ4's upstream history is unusually important for package maintainers because the format became embedded below the application layer: libraries, storage systems, language bindings, kernels, databases, and transport protocols all wanted a very fast, low-latency compressor. Later releases kept that core identity while expanding the production surface, including official frame-format support, dictionary APIs, and, in the v1.10.0 release, multithreaded compression work aimed at modern multi-core and high-throughput storage systems.

### 採用の歴史

LZ4 became a default packaging candidate because it fills a practical niche that gzip, bzip2, and xz do not: fast enough for hot paths, simple enough to vendor, and portable enough for every Unix-like distribution. The input package facts show it packaged across Homebrew, Debian/Ubuntu, Fedora, Arch, Alpine, MacPorts, Nix, Scoop, and openSUSE-style ecosystems.

In package-manager culture, LZ4 is often installed less as an end-user archiver and more as infrastructure: a build dependency, a runtime shared library, or a fast compressor used by other tools. That makes ABI stability, CLI compatibility, and the distinction between raw blocks and framed .lz4 files recurring concerns for maintainers.

### 使われ方

The lz4 command compresses and decompresses files, while unlz4 and lz4cat provide decompression-oriented entry points. Users pick it when speed is more important than maximum compression ratio, especially for logs, caches, temporary artifacts, backup pipelines, and data streams.

Developers usually consume liblz4 directly for in-memory buffers or the LZ4 frame API when data needs a self-describing stream format. High-compression mode is useful for precompressed assets, but the package's everyday reputation comes from the fast path.

### パッケージ好きにとっての重要性

LZ4 is a package nerd staple because it is a small C project with huge transitive reach. It shows up as both a leaf CLI and a dependency of larger systems, so distributions care about symbol versions, shared-library packaging, test vectors, frame-format compatibility, and whether downstreams accidentally mix raw LZ4 blocks with framed files.

It also marks a generational shift in compression packaging: instead of treating compression as a storage-only tradeoff, LZ4 made compression cheap enough to appear in latency-sensitive runtime paths.

### タイムライン

- 2011: liblz4 copyright era begins in the official source tree.
- 2010s: LZ4 spreads from a standalone compressor into Unix package repositories and system libraries.
- 2024: v1.10.0 adds major multithreading work and promotes dictionary compression support.

### Related projects

- LZ4_HC is the high-compression variant shipped with the same upstream project.
- lz4-java, python-lz4, and similar bindings expose the format to language ecosystems.
- Zstandard is another Yann Collet compression project, optimized for a different speed/ratio point.

### ソース

- <https://github.com/lz4/lz4>
- <https://github.com/lz4/lz4/blob/dev/lib/LICENSE>
- <https://github.com/lz4/lz4/releases>
- <https://lz4.github.io/lz4/>
- source_facts.package-manager


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal

## 他のパッケージマネージャ記録

- Debian apt - liblz4-1 - 1.10.0-4: normalized package name match | Debian stable package indexes: liblz4-1 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Fast LZ compression algorithm library - runtime | https://github.com/lz4/lz4
- Debian apt - liblz4-dev - 1.10.0-4: normalized package name match | Debian stable package indexes: liblz4-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Fast LZ compression algorithm library - development files | https://github.com/lz4/lz4
- Debian apt - lz4 - 1.10.0-4: normalized package name match | Debian stable package indexes: lz4 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Fast LZ compression algorithm library - tool | https://github.com/lz4/lz4
- Nix - lz4: normalized package name match | nixpkgs package indexes: pkgs/by-name/lz/lz4/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - liblz4-1 - 1.9.4-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: liblz4-1 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Fast LZ compression algorithm library - runtime | https://github.com/lz4/lz4
- Ubuntu apt - liblz4-dev - 1.9.4-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: liblz4-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Fast LZ compression algorithm library - development files | https://github.com/lz4/lz4
- Ubuntu apt - liblz4-tool - 1.9.4-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: liblz4-tool from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Fast LZ compression algorithm library - transitional package | https://github.com/lz4/lz4
- Ubuntu apt - lz4 - 1.9.4-1build1: normalized package name match | Ubuntu 24.04 LTS package indexes: lz4 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Fast LZ compression algorithm library - tool | https://github.com/lz4/lz4
- apk - lz4 - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4 from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. | https://github.com/lz4/lz4
- apk - lz4-dev - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4-dev from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. (development files) | https://github.com/lz4/lz4
- apk - lz4-doc - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. (documentation) | https://github.com/lz4/lz4
- apk - lz4-libs - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4-libs from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. (libraries) | https://github.com/lz4/lz4
- apk - lz4-static - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4-static from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. (static library) | https://github.com/lz4/lz4
- apk - lz4-tests - 1.10.0-r1: normalized package name match | Alpine Linux edge package indexes: lz4-tests from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | LZ4 is lossless compression algorithm with fast decoder @ multiple GB/s per core. (tests) | https://github.com/lz4/lz4
- dnf - lz4 - 1.10.0-5.fc45: normalized package name match | Fedora Rawhide package metadata: lz4 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Extremely fast compression algorithm | https://lz4.github.io/lz4/
- dnf - lz4-devel - 1.10.0-5.fc45: normalized package name match | Fedora Rawhide package metadata: lz4-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Development files for lz4 | https://lz4.github.io/lz4/


## 関連リンク

- [lz4](https://pkg.so/ja/pkg/cargo/lz4/) - Same normalized package name exists in another local package ecosystem.

## Combined YAML source

View the package source record on GitHub. [combined/lz4.yml](https://github.com/mxcl/pkgdb/blob/main/combined/lz4.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph
