libaio ☆

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Description:
Linux-native asynchronous I/O access library

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: linux async-io system library performance

Install: brew install libaio

About:
Libaio is the Linux-native asynchronous I/O (AIO) access library, providing a direct userspace interface to the kernel's asynchronous I/O capabilities. It enables high-performance applications to initiate parallel I/O operations without blocking, significantly improving throughput for I/O-bound tasks. This library is essential for building efficient database systems and high-performance storage applications on Linux.

Key Features:

Direct Linux kernel AIO interface
Non-blocking I/O operations
High-performance for I/O-bound applications
Minimal userspace overhead

Use Cases:

Database engine development (e.g., Oracle DB, MariaDB)
High-performance storage applications
Asynchronous file processing pipelines

Alternatives:

libuv – Cross-platform async I/O with broader scope, includes networking and threading
io_uring – Newer Linux async I/O interface with lower overhead and more features

Version History

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