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.
Ad RetrievalIoUringLibaio
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