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C'est quoi, au fond, l'informatique - Société Informatique de France

C'est quoi, au fond, l'informatique - Société Informatique de France

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Un canevas pour le calcul parallèle : MapReduceordonnanceMapChefordonnanceReducetranche 1tranche 2tranche 3…tranche nMapMap…Map…Reduce résultat 1……Reducerésultat pécriture localelecture distante(id page, contenu)Map(URL, id page)Reduce(URL, (liste id page))Jeffrey Dean, Sanjay Ghemawat, “MapReduce: Simplified Data Processing on LargeClusters”, Proc. ACM Conf. on Operating Systems Design & Implementation (OSDI), 2004© 2010, S. Krakowiak Congrès Specif 201031

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