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MapReduce MapReduce

MapReduce - PowerPoint Presentation

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Uploaded On 2016-05-27

MapReduce - PPT Presentation

2 httpwwwgoogleorgflutrendsca 2012 Average Searches Per Day 5134000000 Motivation Process lots of data Google processed about 24 petabytes of data per day in 2009 A single machine ID: 337999

worker data store file data worker file store mapreduce write split read output input master replica failure reduce map

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