Yandong Yao
CEO at Beijing Siwei Zongheng Data Technology Co., Ltd.
Founder & CEO, Beijing Siwei Zongheng Data Technology Co., Ltd. Former General Manager, Greenplum Beijing R&D Center Yan-Dong Yao is a pioneer in open-source data technologies and ecosystem development. He founded the Greenplum China Open Source Community while serving on the standing committee of the PostgreSQL Chinese Community. He is also a co-founder of the 1024 Digital Foundation. Since Greenplum’s open-source release, Yan-Dong has led efforts to grow its ecosystem in China, establishing a significant user base across major cloud providers including Alibaba Cloud, Tencent Cloud, and Baidu Cloud. He holds multiple domestic and international patents in cloud computing and big data, and authored Greenplum: From Big Data Strategy to Implementation. Before his work with Greenplum, he worked in systems and storage at Sun Microsystems and Symantec. Yan-Dong graduated with honors from the Institute of Software, Chinese Academy of Sciences.
Upcoming presentations
YMatrix mxvector: How to implement high performance pluggable vectorized executor in PostgreSQL
YMatrix mxvector: How to implement high performance pluggable vectorized executor in PostgreSQL
PostgreSQL's performance in OLAP and HTAP scenarios can be significantly enhanced through a vectorized executor, an optimized execution model tailored for analytical workloads. By leveraging typed operations, batched processing, and SIMD instructions, vectorized execution minimizes overheads associated with traditional row-by-row processing, such as repeated function calls and data extraction f...
Apr 21 2026
YMatrix Domino: Design Considerations, Trade-offs, and Implementation of In-Database Stream Processing
YMatrix Domino: Design Considerations, Trade-offs, and Implementation of In-Database Stream Processing
YMatrix is a distributed, multi-model database built on PostgreSQL. Domino is its native in-database stream processing engine, enabling true unified batch and stream processing. This talk explores the design concepts, technology selection, and implementation of in-database stream processing in YMatrix, aiming to address the complexity, resource overhead, and consistency challenges of traditiona...
Apr 21 2026