Phil Eaton • 10/19/2023

io_uring basics: Writing a file to disk

This article details a hands-on learning process for using Linux's io_uring API for asynchronous file I/O. The author writes benchmarks in Go and Zig to compare increasingly efficient methods of writing a file to disk, focusing on understanding io_uring's submission and completion queues rather than absolute performance numbers. The goal is to build a correct intuition about this powerful async I/O interface.

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#linux #File Io #System Programming