Baidu Geek Talk

Sep 13, 2023 · Operations

Optimizing NVMe SSD Tiered Storage for Advertising Retrieval: Methodology and Read Scheduling

The paper presents a tiered NVMe SSD solution for ad‑ranking retrieval, using zone‑aware hardware, Direct I/O with libaio/IoUring, and an adaptive pipeline scheduler to cut long‑tail read latency and boost throughput, enabling larger‑than‑memory signals and improving ranking accuracy and revenue.