2 papers
cs.DB2025
AQETuner: Reliable Query-level Configuration Tuning for Analytical Query Engines
Lixiang Chen, Yuxing Han, Yu Chen +3
Modern analytical query engines (AQEs) are essential for large-scale data analysis and processing. These systems usually provide numerous query-level tunable knobs that significant…
cs.DB2024
ByteCard: Enhancing ByteDance's Data Warehouse with Learned Cardinality Estimation
Yuxing Han, Haoyu Wang, Lixiang Chen +5
Cardinality estimation is a critical component and a longstanding challenge in modern data warehouses. ByteHouse, ByteDance's cloud-native engine for extensive data analysis in exa…