This is a good presentation about Facebook’s graph-processing engine, Giraph, from a big data event held at the company’s Menlo Park campus in early June. The PRISM story kind of took over the news cycle that week, but the event also produced some news (for big data geeks, at least): Facebook’s Presto engine for interactive queries of its 250-petabyte Hadoop data warehouse.

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Story posted at: facebook.com

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