# How io\_uring improves database performance

DevFeed: [How io\_uring improves database performance](<https://devfeed.tech/articles/how-io-uring-improves-database-performance-39641.md>)

Original publisher: [Read original article](<https://www.gauravsarma.com/posts/2025-12-11_how-iouring-improves-database-performance>)

Published: 2025-12-11T00:00:00Z

Content type: tutorial

Language: en

Sources: [Gaurav Sarma's Blog](<https://devfeed.tech/sources/gaurav-sarma-s-blog.md>)

Topics: [io\_uring](<https://devfeed.tech/topics/io-uring.md>), [Databases](<https://devfeed.tech/topics/databases.md>), [Linux Kernel](<https://devfeed.tech/topics/linux-kernel.md>), [NVMe](<https://devfeed.tech/topics/nvme.md>)

Tags: [asynchronous](<https://devfeed.tech/tags/asynchronous.md>), [database-performance](<https://devfeed.tech/tags/database-performance.md>), [io](<https://devfeed.tech/tags/io.md>), [io-uring](<https://devfeed.tech/tags/io-uring.md>), [nvme](<https://devfeed.tech/tags/nvme.md>), [performance](<https://devfeed.tech/tags/performance.md>)

## AI overview

This article explains how io_uring improves database performance through shared submission and completion queues, batching, fewer system calls, zero-copy operation, and features such as SQPoll and registered buffers. It also discusses DMA and the relevance of fast NVMe storage.

## Source excerpt

. [How io_uring Improves Database Performance](how-iouring-improves-database-performance-cover...