3 papers
cs.DB2023
IWEK: An Interpretable What-If Estimator for Database Knobs
Yu Yan, Hongzhi Wang, Jian Geng +5
The knobs of modern database management systems have significant impact on the performance of the systems. With the development of cloud databases, an estimation service for knobs…
cs.DB2023
Duet: efficient and scalable hybriD neUral rElation undersTanding
Kaixin Zhang, Hongzhi Wang, Yabin Lu +4
Learned cardinality estimation methods have achieved high precision compared to traditional methods. Among learned methods, query-driven approaches have faced the workload drift pr…
cs.DB2022
AAE: An Active Auto-Estimator for Improving Graph Storage
Yu Yan, Man Yang, Hongzhi Wang +1
Nowadays, graph becomes an increasingly popular model in many real applications. The efficiency of graph storage is crucial for these applications. Generally speaking, the tune tas…