Master’s Thesis Presentation • Systems and Networking • Topology-Aware SchedulingExport this event to calendar

Thursday, May 25, 2023 — 1:00 PM to 2:00 PM EDT

Please note: This master’s thesis presentation will take place in DC 3317.

Sara Qunaibi, Master’s candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Samer Al-Kiswany

We present a comprehensive empirical study of the impact partial network partitions have on cluster managers in data analysis frameworks. Our study shows that modern scheduling approaches are vulnerable to partial network partitions. Partial partitions can lead to a complete cluster pause or a significant loss of performance.

To overcome the shortcoming of the state-of-the-art schedulers, we design the topology-aware scheduler (TAS). TAS incorporates the current network connectivity information when making a scheduling decision, to allocate fully connected nodes for a given application. TAS effectively hides partial partitions from applications. Our evaluation of a TAS prototype shows that it can tolerate partial network partitions, eliminate application halting or significant loss of performance.

Location 
DC - William G. Davis Computer Research Centre
DC 3317
200 University Avenue West

Waterloo, ON N2L 3G1
Canada
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