SpeQuloS: A QoS Service for BoT Applications Using Best Effort Distributed Computing Infrastructures

Simon Delamare 1 Gilles Fedak 1 Derrick Kondo 2 Oleg Lodygensky 3
1 AVALON - Algorithms and Software Architectures for Distributed and HPC Platforms
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme
2 MESCAL - Middleware efficiently scalable
Inria Grenoble - Rhône-Alpes, LIG - Laboratoire d'Informatique de Grenoble
3 LAL - Laboratoire de l'Accélérateur Linéaire
Abstract : Exploitation of Best Effort Distributed Computing Infras- tructures (BE-DCIs) allow operators to maximize the uti- lization of the infrastructures, and users to access the un- used resources at relatively low cost. Because providers do not guarantee that the computing resources remain available to the user during the entire execution of their applications, they offer a diminished Quality of Service (QoS) compared to traditional infrastructures. Pro ling the execution of Bag-of-Tasks (BoT) applications on several kinds of BE-DCIs demonstrates that their task completion rate drops near the end of the execution. In this paper, we present the SpeQuloS service which en- hances the QoS of BoT applications executed on BE-DCIs by reducing the execution time, improving its stability, and reporting to users a predicted completion time. SpeQuloS monitors the execution of the BoT on the BE-DCIs, and dynamically supplies fast and reliable Cloud resources when the critical part of the BoT is executed. We present the design and development of the framework and several strategies to decide when and how Cloud resources should be provisioned. Performance evaluation using simulations shows that SpeQuloS ful ll its objectives. It speeds-up the execution of BoTs, in the best cases by a factor greater than 2, while offloading less than 2.5% of the workload to the Cloud. We report on preliminary results after a complex deployment as part of the European Desktop Grid Infrastructure.
Type de document :
Communication dans un congrès
Dick H. J. Epema, Thilo Kielmann, Matei Ripeanu. Proceedings of the 21st ACM International Symposium on High Performance Distributed Computing (HPDC'12), Jun 2012, Delft, Netherlands. ACM, pp.173--186, 2012, 〈10.1145/2287076.2287106〉
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https://hal.inria.fr/hal-00757074
Contributeur : Gilles Fedak <>
Soumis le : lundi 26 novembre 2012 - 11:19:38
Dernière modification le : vendredi 20 avril 2018 - 15:44:26

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IN2P3 | ENS-LYON | LAL | INRIA | LIP | PRIMES_WP5 | PRIMES | UGA | GRID5000 | LIG | LIG_SRCPR | UNIV-LYON1

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Simon Delamare, Gilles Fedak, Derrick Kondo, Oleg Lodygensky. SpeQuloS: A QoS Service for BoT Applications Using Best Effort Distributed Computing Infrastructures. Dick H. J. Epema, Thilo Kielmann, Matei Ripeanu. Proceedings of the 21st ACM International Symposium on High Performance Distributed Computing (HPDC'12), Jun 2012, Delft, Netherlands. ACM, pp.173--186, 2012, 〈10.1145/2287076.2287106〉. 〈hal-00757074〉

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