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DOI: 10.4230/OASIcs.Microservices.2020-2022.5
Custom Serverless Function Scheduling Policies: An APP Tutorial

Authors: Giuseppe De Palma, Saverio Giallorenzo, Jacopo Mauro, Matteo Trentin, and Gianluigi Zavattaro

Published in: OASIcs, Volume 111, Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)

Abstract
State-of-the-art serverless platforms use hard-coded scheduling policies that hardly accommodate users in implementing functional or performance-related scheduling logic of their functions, e.g., preserving the execution of critical functions within some geographical boundaries or minimising data-access latencies. We addressed this problem by introducing {APP}: a declarative language for defining per-function scheduling policies which we also implemented as an extension of the open-source OpenWhisk serverless platform. Here, we present a gentle introduction to {APP} through an illustrative application developed over several incremental steps.
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Giuseppe De Palma, Saverio Giallorenzo, Jacopo Mauro, Matteo Trentin, and Gianluigi Zavattaro. Custom Serverless Function Scheduling Policies: An APP Tutorial. In Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022). Open Access Series in Informatics (OASIcs), Volume 111, pp. 5:1-5:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{depalma_et_al:OASIcs.Microservices.2020-2022.5,
  author =	{De Palma, Giuseppe and Giallorenzo, Saverio and Mauro, Jacopo and Trentin, Matteo and Zavattaro, Gianluigi},
  title =	{{Custom Serverless Function Scheduling Policies: An APP Tutorial}},
  booktitle =	{Joint Post-proceedings of the Third and Fourth International Conference on Microservices (Microservices 2020/2022)},
  pages =	{5:1--5:16},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-95977-306-5},
  ISSN =	{2190-6807},
  year =	{2023},
  volume =	{111},
  editor =	{Dorai, Gokila and Gabbrielli, Maurizio and Manzonetto, Giulio and Osmani, Aomar and Prandini, Marco and Zavattaro, Gianluigi and Zimmermann, Olaf},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.Microservices.2020-2022.5},
  URN =		{urn:nbn:de:0030-drops-194671},
  doi =		{10.4230/OASIcs.Microservices.2020-2022.5},
  annote =	{Keywords: Serverless, Function Scheduling, Declarative Languages, Tutorial}
}
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