Optimizing for NVMe Drives - The 10 Microsecond Challenge

Dive into the world of NVMe drive optimization in this 50-minute conference talk by Stefan Hajnoczi from Red Hat. Explore the "10 Microsecond Challenge" and learn about latency numbers, IOPS, and architectural considerations for maximizing NVMe performance. Discover key concepts such as IO request lifecycle, completion mechanisms, and PCIe device assignment. Gain insights into configuration techniques using libvert, CPU idle halt poll, and iopoll. Compare bare metal vs NVMe performance, and understand the role of Virtio Block and IOThreads. Delve into advanced topics like userspace NVMe drivers, polling queues, and Linux IO Poll. Examine the QMU Storage daemon and explore future directions in NVMe optimization. Walk away with a comprehensive understanding of strategies to tackle the challenges of optimizing for ultra-fast NVMe drives in modern computing environments.