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Auto-scalers fire scaling events when a certain threshold is exceeded. However, if this threshold is not set properly, the function can suffer from under or over-provisioning. In this paper we introduce an autoscaling solution for compute intensive functions that calculates the scaling threshold according to the user needs and keeps the completion times predictable even when the function is scaled out. The scaling threshold is given by a simulator that determines the completion time distribution of the function for a given load. We also show which load-balancing algorithm is recommended to use for our auto-scaler. We compare our auto-scaler to existing ones implemented in open source serverless projects. 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Reference 33927633 /api/reference/33927633 10 false true Reference 33927634 /api/reference/33927634 11 false true Reference 33927635 /api/reference/33927635 12 false true /api/publication/33115816 <div class="BookChapter Publication long-list"> <div class="authors"> <img title="Forrásközlemény" style="float: left" src="/frontend/resources/grid/publication-core-icon.png"> <img title="Idézőközlemény" style="float: left" src="/frontend/resources/grid/publication-citation-icon.png"> <div class="autype autype0"> <span class="author-name" mtid="10064778"><a href="/gui2/?type=authors&mode=browse&sel=10064778" target="_blank">Balla Dávid ✉ (<span class="authorship-author-name">Balla Dávid</span> <span class="authorAux-mtmt"> Távközlés</span>) </a> </span> <span class="author-affil"><span title="Budapesti Műszaki és Gazdaságtudományi Egyetem">BME</span>/<span title="Villamosmérnöki és Informatikai Kar">VIK</span>/Távközlési és Médiainformatikai Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10012956"><a href="/gui2/?type=authors&mode=browse&sel=10012956" target="_blank">Maliosz Markosz (<span class="authorship-author-name">Maliosz Markosz</span> <span class="authorAux-mtmt"> Távközlés</span>) </a> </span> <span class="author-affil"><span title="Budapesti Műszaki és Gazdaságtudományi Egyetem">BME</span>/<span title="Villamosmérnöki és Informatikai Kar">VIK</span>/Távközlési és Médiainformatikai Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10030436"><a href="/gui2/?type=authors&mode=browse&sel=10030436" target="_blank">Simon Csaba (<span class="authorship-author-name">Simon Csaba</span> <span class="authorAux-mtmt"> Informatikai tudományok</span>) </a> </span> <span class="author-affil"><span title="Budapesti Műszaki és Gazdaságtudományi Egyetem">BME</span>/<span title="Villamosmérnöki és Informatikai Kar">VIK</span>/Távközlési és Médiainformatikai Tanszék</span> </div> </div> <div class="title"><a href="/gui2/?mode=browse&params=publication;33115816" target="_blank">Towards a Predictable Open Source FaaS</a></div> <div class="InBook"><div class="chapter-in">In:</div> <div class="authors"> <div class="autype autype-1"> <span class="author-name" mtid="10034936"><a href="/gui2/?type=authors&mode=browse&sel=10034936" target="_blank">Pal Varga (<span class="authorship-author-name">Varga Pál</span> <span class="authorAux-mtmt"> távközlés, infokommunikáció, mesterséges intell...</span>) </a> </span> <span class="author-affil"><span title="Budapesti Műszaki és Gazdaságtudományi Egyetem">BME</span>/<span title="Villamosmérnöki és Informatikai Kar">VIK</span>/Távközlési és Médiainformatikai Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Lisandro Zambenedetti Granville </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Alex Galis </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10012165"><a href="/gui2/?type=authors&mode=browse&sel=10012165" target="_blank">Istvan Godor (<span class="authorship-author-name">Gódor István</span> <span class="authorAux-mtmt"> Távközlés</span>) </a> </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Noura Limam </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Prosper Chemouil </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Jérôme François </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Marc-Oliver Pahl </span> (szerk.) </div> </div> <div class="booktitle"><a href="/gui2/?mode=browse&params=publication;32887939" target="_blank">NOMS 2022-2022 IEEE/IFIP Network Operations and Management Symposium : Network and Service Management in the Era of Cloudification, Softwarization and Artificial Intelligence </a></div> <div class="conference"> Konferencia helye, ideje: <span class="location">Budapest, Magyarország <span class="conference-date">2022.04.25. - 2022.04.29.</span> </div> <span class="editionNumber">(1)</span> <span class="publishedAt">Piscataway (NJ): <span class="publishers">Institute of Electrical and Electronics Engineers (IEEE)</span>, <span class="page"> Paper 9789777. 5 p. </span> <span class="year">(2022)</span> ( <span class="seriesTitle">IEEE IFIP Network Operations and Management Symposium</span> <span class="issn">1542-1201</span> ) </div> <div class="pub-footer"> <span class="language" xmlns="http://www.w3.org/1999/html">Nyelv: Angol | </span> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="10.1109/NOMS54207.2022.9789777" target="_blank" href="https://doi.org/10.1109/NOMS54207.2022.9789777"> DOI </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="000851572700033" target="_blank" href="https://www.webofscience.com/wos/woscc/full-record/000851572700033"> WoS </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="85133200560" target="_blank" href="http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85133200560"> Scopus </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:black" title="https://ieeexplore.ieee.org/document/9789777/" target="_blank" href="https://ieeexplore.ieee.org/document/9789777/"> Egyéb URL </a> </span> </span> <span class="bookchapter-ids">Befoglaló link(ek):</span> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="10.1109/NOMS54207.2022" target="_blank" href="https://doi.org/10.1109/NOMS54207.2022"> DOI </a> </span> <span class="id identifier oa_none" title="none"> <span class="isbnOrIssn"> ISBN: </span> <a style="color:black" title="9781665406017" target="_blank" href="https://www.worldcat.org/search?q=isbn%3A9781665406017"> 9781665406017 </a> </span> <span class="id identifier oa_none" title="none"> <span class="isbnOrIssn"> ISBN: </span> <a style="color:black" title="9781665406024" target="_blank" href="https://www.worldcat.org/search?q=isbn%3A9781665406024"> 9781665406024 </a> </span> <span class="id identifier oa_none" title="none"> <span class="isbnOrIssn"> ISBN: </span> <a style="color:black" title="1665406011" target="_blank" href="https://www.worldcat.org/search?q=isbn%3A1665406011"> 1665406011 </a> </span> </span> <div class="publication-citation" style="margin-left: 0.5cm;"> <span title="Nyilvános idézőközlemények összesen, említések nélkül" class="citingPub-count">Nyilvános idéző összesen: 4</span> | Független: 2 | Függő: 2 | Nem jelölt: 0 | WoS jelölt: 3 | Scopus jelölt:&nbsp;4 | WoS/Scopus jelölt:&nbsp;4 | DOI jelölt:&nbsp;4 </div> <div class="publication-citation"> <a target="_blank" href="/api/publication?cond=citations.related;eq;33115816&sort=publishedYear,desc&sort=title"> Idézett közlemények száma: 4 </a> </div> <div class="mtid"><span class="long-pub-mtid">Közlemény: 33115816</span> | <span class="status-data status-VALIDATED"> Egyeztetett </span> <span class="long-book-mtid">Befoglaló: 32887939</span> Forrás Idéző | <span class="type-subtype">Könyvrészlet ( Konferenciaközlemény ) </span> | <span class="pub-category">Tudományos</span> | <span class="publication-sourceOfData">WOS TAGGED</span> </div> <div class="lastModified">Utolsó módosítás: 2022.10.12. 16:23 Ladányi Gusztáv (MTMT API user, admin) </div> <pre class="comment" style="margin-top: 0; margin-bottom: 0;"><u>Megjegyzés</u>: Conference code: 179994 Export Date: 12 October 2022</pre> </div> </div>