Edinburgh, Scotland, UK
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Monday, October 22 • 16:15 - 16:55
Are You Insured Against Your Noisy Neighbor? - Sunku Ranganath, Intel

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Traditional NFVi dataplane performance benchmarking and testing rarely focuses on availability and consumption of resources such as CPU Cache and Memory Bandwidth. Quality of Service fine tuning, without considering such resources, often leads to problems such as over-subscription and shared resource contention - often termed as noisy neighbor effects. This work focuses on mitigating noisy-neighbor effects with the efficient management of such resources.

We present the methodology and test scenarios using opensource solutions - OPNFV-VSPERF, Collectd, Stress-NG, and RMD-client - for (a) analyzing the performance impact due to the presence of noisy neighbors and (b) controlling access to Last Level Cache (LLC) to achieve optimal performance. The presentation will cover the creation and analysis of LLC profiles of all workloads, and policy-driven management of LLC resource to improve the performance and manage the noisy neighbors.

avatar for Sunku Ranganath

Sunku Ranganath

Intel Corporation, Network Software Engineer
Sunku is a network software engineer at Intel currently working on enabling service mesh constructs for Telecom domain usage models. Has a background in building reference architectures and implementing solutions in NFV domain. Sunku is an experienced presenter with many talks at... Read More →

Monday October 22, 2018 16:15 - 16:55 BST
Pentland Auditorium