Lakehouse Research Base

Oct 1, 2026 · Databases

StarRocks Vectorized Execution & CBO Optimizer Deep Dive: Pipeline, CodeGen & Cost Model

This article provides a deep technical analysis of StarRocks' vectorized execution engine and cost-based optimizer, covering pipeline scheduling, vectorized operators, CodeGen/JIT compilation, statistics-driven cost modeling, parameter tuning strategies, and production troubleshooting methodologies for low-latency analytical queries.