Systems Engineering

io_uring and Zoned Namespaces (ZNS): Achieving Millions of IOPS on Linux NVMe

A deep Linux storage systems engineering guide. We analyze io_uring ring-buffer submission/completion queues, kernel-bypass asynchronous I/O, NVMe Zoned Namespaces (ZNS), and eliminating write amplification in modern databases.

Sachin Sharma
Sachin SharmaCreator
Sep 2, 2026
3 min read
io_uring and Zoned Namespaces (ZNS): Achieving Millions of IOPS on Linux NVMe
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A deep Linux storage systems engineering guide. We analyze io_uring ring-buffer submission/completion queues, kernel-bypass asynchronous I/O, NVMe Zoned Namespaces (ZNS), and eliminating write amplification in modern databases.

Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.