Alibaba Cloud Infrastructure

Dec 18, 2017 · Operations

Deep Hardware‑Software Integration to Eliminate NVMe IO Jitter During Double 11

This case study explains how a combination of kernel‑level NVMe driver congestion control, LVM adjustments, and SSD over‑provisioning was used to suppress severe IO bandwidth drops and jitter, ensuring smooth transaction processing for a high‑traffic Double 11 event.