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Wednesday, May 18 • 11:55 - 12:30
Network-aware Scheduling in Kubernetes - José Santos, Ghent University

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Recent applications are latency-sensitive, demanding low latency between microservices in the application. Current scheduling algorithms in Kubernetes aim to reduce costs and increase resource efficiency, which is not enough for applications where end-to-end latency becomes a primary objective. Applications such as databases and multi-tier web services would benefit the most from network-aware scheduling policies that consider latency and bandwidth in addition to default resources (CPU and memory). We introduce a network-aware scheduling framework to tackle this challenge, including two controllers (AppGroup and NetworkTopology) and three scheduling plugins (TopologicalSort, NodeNetworkCostFit, and NetworkMinCost). The framework ensures bandwidth reservations and optimizes the end-to-end application latency since it schedules pods in an application with chained dependencies close to each other. We will show a demo highlighting the benefits of our framework.

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avatar for José Santos

José Santos

Ph.D. Candidate, Ghent University
José Santos is currently a Ph.D. Student of Computer Science in the IDLab Research Group at Ghent University - imec, Belgium. He obtained his M.Sc. degree in Electrical and Computers Engineering in July 2015 from the University of Porto, Portugal. Before joining IDLab, he was a Research... Read More →

Wednesday May 18, 2022 11:55 - 12:30 CEST
Pavilion 4, Room A | Level 2 | Central Forum Feria Valencia