How Alibaba Cloud Powered a 2.684 Trillion‑Yuan Double 11 with Self‑Built Technology
Alibaba Cloud’s CTO explains how the company’s fully self‑developed cloud platform—featuring the Feitian operating system, Shenlong servers, OceanBase and PolarDB databases, RDMA networking, and a custom AI chip—handled the record‑breaking 2019 Double 11 traffic of 2.684 trillion yuan, 54.4 k orders per second, and 970 PB of data.
2019 Double 11 record : transaction volume 2.684 trillion yuan, order peak 54.4 k orders per second, daily data processing 970 PB.
Alibaba Cloud’s CTO Zhang Jianfeng said only Alibaba Cloud can sustain such traffic, describing it as “the only cloud built from the ground up in China, with the Feitian operating system.”
Alibaba became the world’s first large‑scale internet company to run 100 % of its core systems on a public cloud. The core platform includes the self‑developed Shenlong server architecture, cloud‑native databases OceanBase (TPC‑C world #1) and PolarDB, and a large‑scale RDMA network that separates compute and storage.
Real‑time processing capabilities allow the system to handle up to 25 billion records per second, supporting personalized, millisecond‑level services during the shopping festival.
The messaging backbone is a self‑built MQ system, the largest in the world, and the custom Hanguang 800 AI chip powers AI workloads for the next Double 11.
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