macOS
brew install jemalloclocal Homebrew formula metadata
sudo port install jemallocMacPorts ports tree · devel/jemalloc/Portfile · ソース: api.github.com
brew
jemalloc 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
brew install jemalloclocal Homebrew formula metadata
sudo port install jemallocMacPorts ports tree · devel/jemalloc/Portfile · ソース: api.github.com
sudo apk add jemallocAlpine Linux edge package indexes · jemalloc · ソース: dl-cdn.alpinelinux.org
sudo dnf install jemallocFedora Rawhide package metadata · jemalloc · ソース: dl.fedoraproject.org
nix profile install nixpkgs#jemallocnixpkgs package indexes · pkgs/by-name/je/jemalloc/package.nix · ソース: api.github.com
sudo pacman -S jemallocArch Linux sync databases · jemalloc · ソース: geo.mirror.pkgbuild.com
sudo zypper install jemallocopenSUSE Tumbleweed package metadata · jemalloc · ソース: download.opensuse.org
sudo apt install libjemalloc-devDebian stable package indexes · libjemalloc-dev · ソース: deb.debian.org
概要
Implementation of malloc emphasizing fragmentation avoidance
履歴
jemalloc is a general-purpose malloc implementation known in package-manager catalogs because it can be installed as a system allocator, linked into performance-sensitive programs, or preloaded for applications that benefit from predictable allocation behavior.
The project describes itself as emphasizing fragmentation avoidance and scalable concurrency. Its public history begins with use as the FreeBSD libc allocator in 2005, then broadens in 2010 with developer-facing facilities such as heap profiling and monitoring or tuning hooks.
The project site points to GitHub as the primary repository and treats the manual page and wiki as the two main documentation surfaces. Its branch layout has kept stable release tracking and older stable lines visible, which matters for downstream packaging because allocators are low-level dependencies with conservative upgrade habits.
jemalloc moved from a FreeBSD allocator into a portable package used by applications that care about allocator behavior under concurrency and fragmentation pressure. Its adoption pattern is therefore less like a user-facing CLI and more like a selectable runtime component for databases, language runtimes, services, and performance investigations.
Package users commonly install the library and development files, link programs against it, or use loader mechanisms to substitute it for the platform allocator. The bundled tools and scripts such as jemalloc-config, jemalloc.sh, and jeprof make the Homebrew formula useful both for building software and for profiling heap behavior.
jemalloc is package-nerd material because it sits below ordinary application code: swapping an allocator can change memory fragmentation, latency, profiling visibility, and production stability without changing the application source. Its presence across many package managers makes allocator choice a reproducible dependency rather than a local build trick.
セキュリティ状態
narrow executable package without higher-risk signals.
リスク グリーン · 信頼度 低 · appliance
エージェントに無人実行させる前に、このツールが平文の認証情報を読むか、リモート状態を書き込むか、成果物を公開するか、プラグインを起動するかを確認してください。
local files
These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.
Config paths the tool may read or write during local use.
/etc/malloc.conf実行可能ファイル
| コマンド | 種類 | 公開範囲 | メモ |
|---|---|---|---|
jemalloc-config | cli | グローバル実行可能ファイル | |
jemalloc.sh | cli | グローバル実行可能ファイル | |
jeprof | cli | グローバル実行可能ファイル |
鮮度
これらの信号は、ページ生成時期、パッケージマネージャの活動、上流リリース比較を分けて示します。バージョン遅れは、証拠 URL と比較可能なバージョンがある場合だけ警告されます。
https://github.com/jemalloc/jemalloc
インストールメタデータ
| パッケージキー | brew:jemalloc |
|---|---|
| バージョン | 5.3.0 |
| パッケージマネージャ | Homebrew |
| パッケージマネージャページ | https://formulae.brew.sh/formula/jemalloc |
| ホームページ | https://jemalloc.net/ |
| リポジトリ | https://github.com/jemalloc/jemalloc |
| 上流ドキュメント | https://github.com/jemalloc/jemalloc/wiki |
| ライセンス | BSD-2-Clause |
| ソースアーカイブ | https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2 |
| 最終更新 | 2026-06-22T14:03:49-07:00 |
| Pulse | updated |
| Bottle | 利用可能 (対象 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | 未定義 |
| サービス | 宣言なし |
レジストリ情報
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | jemalloc |
| Version Scheme | 0 |
| Revision | 0 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
ソースデータベース一致
一致は外部パッケージマネージャインデックスから取得され、ローカルの Automic Vault パッケージリンクとは分けて表示されます。
libjemalloc-dev 5.3.0-3
development files and documentation for jemalloc
sudo apt install libjemalloc-devlibjemalloc2 5.3.0-3
general-purpose scalable concurrent malloc(3) implementation
sudo apt install libjemalloc2jemalloc
nix profile install nixpkgs#jemalloclibjemalloc-dev 5.3.0-2build1
development files and documentation for jemalloc
sudo apt install libjemalloc-devlibjemalloc2 5.3.0-2build1
general-purpose scalable concurrent malloc(3) implementation
sudo apt install libjemalloc2jemalloc 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support
sudo apk add jemallocjemalloc-dev 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (development files)
sudo apk add jemalloc-devjemalloc-doc 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (documentation)
sudo apk add jemalloc-docjemalloc-static 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (static library)
sudo apk add jemalloc-staticjemalloc 5.3.0-14.fc44
General-purpose scalable concurrent malloc implementation
sudo dnf install jemallocjemalloc-devel 5.3.0-14.fc44
Development files for jemalloc
sudo dnf install jemalloc-develjemalloc 1:5.3.1-2
General-purpose scalable concurrent malloc implementation
sudo pacman -S jemallocjemalloc 5.3.1-1.2
General-purpose scalable concurrent malloc implementation
sudo zypper install jemallocjemalloc-devel 5.3.1-1.2
Development files for jemalloc
sudo zypper install jemalloc-devellibjemalloc2 5.3.1-1.2
General-purpose scalable concurrent malloc implementation
sudo zypper install libjemalloc2jemalloc
sudo port install jemallocソース経路
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View the package source record on GitHub.