CC Xiong
PostgreSQL and Greenplum expert, open-source enthusiast, and software engineer. at Beijing Siwei Zongheng Data Technology Co., Ltd.
PostgreSQL and Greenplum expert, open-source enthusiast, and software engineer. 🛠 Founder of PostgreSQL-howto in chinese project 📚 Translator of PostgreSQL 14 Internals 📝 PostgreSQL 14 Internals in chinese: https://postgres-internals.cn/ 🧘🏻♂️ PostgreSQL DBA Daily 5.0 Author
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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...
@ Postgres Conference: 2026
Apr 21 2026
Dev