macOS
Homebrew已验证 · 100%
brew install jemalloclocal Homebrew formula metadata
MacPorts已验证 · 94%
sudo port install jemallocMacPorts ports tree · devel/jemalloc/Portfile · 来源: api.github.com
安装
其他安装命令
Linux
Alpine Linux apk已验证 · 92%
sudo apk add jemallocAlpine Linux edge package indexes · jemalloc · 来源: dl-cdn.alpinelinux.org
Fedora dnf已验证 · 92%
sudo dnf install jemallocFedora Rawhide package metadata · jemalloc · 来源: dl.fedoraproject.org
Nix已验证 · 92%
nix profile install nixpkgs#jemallocnixpkgs package indexes · pkgs/by-name/je/jemalloc/package.nix · 来源: api.github.com
Arch Linux pacman已验证 · 92%
sudo pacman -S jemallocArch Linux sync databases · jemalloc · 来源: geo.mirror.pkgbuild.com
openSUSE zypper已验证 · 92%
sudo zypper install jemallocopenSUSE Tumbleweed package metadata · jemalloc · 来源: download.opensuse.org
Debian apt已验证 · 92%
sudo apt install libjemalloc-devDebian stable package indexes · libjemalloc-dev · 来源: deb.debian.org
概览
软件包摘要
Implementation of malloc emphasizing fragmentation avoidance
历史
项目历史与用法
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.
项目历史
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.
采用历史
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.
使用方式
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.
为什么软件包爱好者会关心
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.
时间线
- 2005: jemalloc first came into use as the FreeBSD libc allocator.
- 2010: development broadened to include heap profiling plus monitoring and tuning hooks.
- 2013: the public GitHub repository was created for the project.
- 2016: the project retired legacy mailing lists in favor of GitHub-based project activity.
Related projects
- FreeBSD remains historically important because jemalloc entered production use through its libc allocator.
- jeprof is the related profiling utility shipped with the package for heap-profile analysis.
- Other allocator projects such as system malloc implementations and alternative malloc libraries are the natural comparison set, but jemalloc's packaging role is strongest where a program deliberately opts into its allocation behavior.
来源
安全态势
风险级别：绿色
narrow executable package without higher-risk signals.
风险分类器
绿色 风险 · 低 置信度 · appliance
原因
- narrow executable package without higher-risk signals
信号
- metadata:no-higher-risk-signals
安装行为
- formula 元数据中未记录 Homebrew post-install 钩子。
- Homebrew bottle 元数据适用于 8 个平台目标。
建议审查
在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。
local files
Configuration and credential file locations
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.
Configuration files
Config paths the tool may read or write during local use.
- Unix
/etc/malloc.conf
可执行文件
已安装的可执行文件
| 命令 | 类型 | 暴露范围 | 备注 |
|---|---|---|---|
jemalloc-config | cli | 全局可执行文件 | |
jemalloc.sh | cli | 全局可执行文件 | |
jeprof | cli | 全局可执行文件 |
新鲜度
版本和新鲜度
这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。
页面生成时间2026-07-10
管理器版本5.3.0
管理器更新时间2026-06-22
本地数据OK
上游not checked
检测到的最新版本未检测到
https://github.com/jemalloc/jemalloc
- 信息No cached GitHub release or tag data was available.https://github.com/jemalloc/jemallocnone 置信度
安装元数据
软件包元数据
| 软件包键 | brew:jemalloc |
|---|---|
| 版本 | 5.3.0 |
| 软件包管理器 | Homebrew |
| 软件包管理器页面 | https://formulae.brew.sh/formula/jemalloc |
| 主页 | https://jemalloc.net/ |
| 仓库 | https://github.com/jemalloc/jemalloc |
| 上游文档 | https://github.com/jemalloc/jemalloc/wiki |
| 许可证 | BSD-2-Clause |
| 源码归档 | https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2 |
| 最后更新 | 2026-06-22T14:03:49-07:00 |
| Pulse | updated |
| Bottle | 可用 (于 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | 未定义 |
| 服务 | 未声明 |
注册表事实
源数据库详情
| 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 |
|
源数据库匹配
其他软件包管理器记录
匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。
Debian apt95%
libjemalloc-dev 5.3.0-3
development files and documentation for jemalloc
sudo apt install libjemalloc-dev- Section: libdevel
- Architecture: amd64
- Source Package: jemalloc
- 1 依赖
- 1 可选依赖
- normalized package name match
- 匹配方式：Jemalloc
Debian apt95%
libjemalloc2 5.3.0-3
general-purpose scalable concurrent malloc(3) implementation
sudo apt install libjemalloc2- Section: libs
- Architecture: amd64
- Source Package: jemalloc
- 3 依赖
- normalized package name match
- 匹配方式：Jemalloc
Nix95%
jemalloc
nix profile install nixpkgs#jemalloc- normalized package name match
- 匹配方式：Jemalloc
Ubuntu apt95%
libjemalloc-dev 5.3.0-2build1
development files and documentation for jemalloc
sudo apt install libjemalloc-dev- Section: universe/libdevel
- Architecture: amd64
- Source Package: jemalloc
- 1 依赖
- 1 可选依赖
- normalized package name match
- 匹配方式：Jemalloc
Ubuntu apt95%
libjemalloc2 5.3.0-2build1
general-purpose scalable concurrent malloc(3) implementation
sudo apt install libjemalloc2- Section: universe/libs
- Architecture: amd64
- Source Package: jemalloc
- 3 依赖
- normalized package name match
- 匹配方式：Jemalloc
apk95%
jemalloc 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support
sudo apk add jemalloc- License: BSD-2-Clause
- Architecture: x86_64
- Source Package: jemalloc
- 1 依赖
- 1 提供
- normalized package name match
- 匹配方式：Jemalloc
apk95%
jemalloc-dev 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (development files)
sudo apk add jemalloc-dev- License: BSD-2-Clause
- Architecture: x86_64
- Source Package: jemalloc
- 1 依赖
- 1 提供
- normalized package name match
- 匹配方式：Jemalloc
apk95%
jemalloc-doc 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (documentation)
sudo apk add jemalloc-doc- License: BSD-2-Clause
- Architecture: x86_64
- Source Package: jemalloc
- normalized package name match
- 匹配方式：Jemalloc
apk95%
jemalloc-static 5.3.0-r6
general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support (static library)
sudo apk add jemalloc-static- License: BSD-2-Clause
- Architecture: x86_64
- Source Package: jemalloc
- normalized package name match
- 匹配方式：Jemalloc
dnf95%
jemalloc 5.3.0-14.fc44
General-purpose scalable concurrent malloc implementation
sudo dnf install jemalloc- License: LicenseRef-Callaway-BSD
- Category: Unspecified
- Architecture: i686
- Source Package: jemalloc
- 5 依赖
- 2 提供
- normalized package name match
- 匹配方式：Jemalloc
dnf95%
jemalloc-devel 5.3.0-14.fc44
Development files for jemalloc
sudo dnf install jemalloc-devel- License: LicenseRef-Callaway-BSD
- Category: Unspecified
- Architecture: i686
- Source Package: jemalloc
- 6 依赖
- 2 提供
- normalized package name match
- 匹配方式：Jemalloc
pacman95%
jemalloc 1:5.3.1-2
General-purpose scalable concurrent malloc implementation
sudo pacman -S jemalloc- License: BSD-2-Clause
- Architecture: x86_64
- 5 依赖
- 1 提供
- 1 可选依赖
- normalized package name match
- 匹配方式：Jemalloc
zypper95%
jemalloc 5.3.1-1.2
General-purpose scalable concurrent malloc implementation
sudo zypper install jemalloc- License: BSD-2-Clause
- Category: Development/Libraries/C and C++
- Architecture: x86_64
- Source Package: jemalloc
- 3 依赖
- 1 提供
- normalized package name match
- 匹配方式：Jemalloc
zypper95%
jemalloc-devel 5.3.1-1.2
Development files for jemalloc
sudo zypper install jemalloc-devel- License: BSD-2-Clause
- Category: Development/Libraries/C and C++
- Architecture: x86_64
- Source Package: jemalloc
- 2 依赖
- 2 提供
- normalized package name match
- 匹配方式：Jemalloc
zypper95%
libjemalloc2 5.3.1-1.2
General-purpose scalable concurrent malloc implementation
sudo zypper install libjemalloc2- License: BSD-2-Clause
- Category: System/Libraries
- Architecture: x86_64
- Source Package: jemalloc
- 4 依赖
- 2 提供
- normalized package name match
- 匹配方式：Jemalloc
MacPorts95%
jemalloc
sudo port install jemalloc- normalized package name match
- 匹配方式：Jemalloc
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated configuration and credential file locations
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment