The CoBRa optimizer: Distributed query optimization with (almost) no metadata (demo paper)

Lourdes Martinez-Medina 1 Christine Collet 1 Christophe Bobineau 1 Etienne Duble 1
1 LIG Laboratoire d'Informatique de Grenoble - HADAS
LIG - Laboratoire d'Informatique de Grenoble
Abstract : This demonstration presents the CoBRa Optimizer that allows efficient evaluation of global queries without having complete knowledge on data. This optimizer advantageously applies the Case Based Reasoning paradigm to the query optimization process. The CoBRa Optimizer acquires performance knowledge (other than classical metadata) while evaluating queries and exploits this knowledge for generating new execution plans for similar queries. The CoBRa Optimizer will be demonstrated simulating a scenario on our testbed platform supporting network-oriented applications. The internal state of the CoBRa Optimizer will be explored using this simulation platform.
Type de document :
Communication dans un congrès
29th Journées Bases de Données Avancées (BDA 2013), 2013, Nantes, France, France. 2013
Liste complète des métadonnées
https://hal.inria.fr/hal-01002686
Contributeur : Fabrice Jouanot <>
Soumis le : vendredi 6 juin 2014 - 15:42:39
Dernière modification le : jeudi 11 octobre 2018 - 08:48:03

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  • HAL Id : hal-01002686, version 1

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Lourdes Martinez-Medina, Christine Collet, Christophe Bobineau, Etienne Duble. The CoBRa optimizer: Distributed query optimization with (almost) no metadata (demo paper). 29th Journées Bases de Données Avancées (BDA 2013), 2013, Nantes, France, France. 2013. 〈hal-01002686〉

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