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Monday, November 15, 2021 10:30 am - 10:30 am EST (GMT -05:00)

DSG Seminar Series • Adaptive Join Order Optimization Using Search Space Linearization

Please note: This DSG Seminar Series talk will be given online.

Thomas Neumann, Department of Computer Science
Technical University of Munich

Join ordering is one of the core problems of query optimization, as differences in join order can affect the execution time of queries by orders of magnitudes. Unfortunately, the problem is NP hard in general, and real-world queries can join hundreds of relations, which makes exact solutions prohibitive expensive. 

Friday, November 19, 2021 2:00 pm - 2:00 pm EST (GMT -05:00)

Seminar • Systems and Networking • Rethinking Modern Storage and Memory Management

Please note: This seminar will be given online.

Sudarsun Kannan, Department of Computer Science
Rutgers University

The last decade has seen a rapid hardware innovation to develop ultra-fast and heterogeneous storage and memory technologies for accelerating data-intensive applications. Unfortunately, current monolithic system software stacks with coarse-grained synchronization, high data movement costs, and inflexible abstractions continue to be Achille’s heel, thereby failing to exploit hardware innovations.