GreenCourier: Carbon-Aware Scheduling for Serverless Functions

Mohak Chadha, Thandayuthapani Subramanian, Eishi Arima, Michael Gerndt, Martin Schulz, Osama Abboud

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper presents GreenCourier, a novel scheduling framework that enables the runtime scheduling of serverless functions across geographically distributed regions based on their carbon efficiencies. Our framework incorporates an intelligent scheduling strategy for Kubernetes and supports Knative as the serverless platform. To obtain real-time carbon information for different geographical regions, our framework supports multiple marginal carbon emissions sources such as WattTime and the Carbon-aware SDK. We comprehensively evaluate the performance of our framework using the Google Kubernetes Engine and production serverless function traces for scheduling functions across Spain, France, Belgium, and the Netherlands. Results from our experiments show that compared to other approaches, GreenCourier reduces carbon emissions per function invocation by an average of 13.25%.

Original languageEnglish
Title of host publicationWoSC 2023 - Proceedings of the 2023 9th International Workshop on Serverless, Part of
Subtitle of host publicationMiddleware 2023
PublisherAssociation for Computing Machinery, Inc
Pages18-23
Number of pages6
ISBN (Electronic)9798400704550
DOIs
StatePublished - 11 Dec 2023
Event9th International Workshop on Serverless, WoSC 2023 - Bologna, Italy
Duration: 11 Dec 202315 Dec 2023

Publication series

NameWoSC 2023 - Proceedings of the 2023 9th International Workshop on Serverless, Part of: Middleware 2023

Conference

Conference9th International Workshop on Serverless, WoSC 2023
Country/TerritoryItaly
CityBologna
Period11/12/2315/12/23

Keywords

  • Carbon Efficiency
  • Function-as-a-Service
  • Serverless Computing
  • Sustainable Serverless Computing

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