Table of Contents

Map Reduce

Map reduce work on all data inside a cluster.

Job client. Master: Job tracker, Task tracker

Map

Used to Map the data that we want to work with (Eq. to “Where” sql)

Reduce

Used to aggregate the selected data from Map

learn/bigdata/mapreduce.txt · Last modified: 2022/01/03 16:03 by 127.0.0.1
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