MapReduce

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mapReduce Reduced (& Ported to R) « Open Data

mapreduce

HadoopMapReduce

http://www.dbms2.com/2008/08/26/why-mapreduce-matters-to-sql-data-warehousing/

Why MapReduce matters to SQL data warehousing

August 26, 2008

Can MapReduce be Made Easy?

October 18, 2009

http://www.dbms2.com/2009/10/18/three-big-myths-about-mapreduce/

Three big myths about MapReduce

Designs, Lessons and Advice from Building Large Distributed Syst

Cloud9: A MapReduce Library for Hadoop

CS 61A Lecture 34: Mapreduce I

A practical scalable distributed B-tree

HowManyMapsAndReduces - Hadoop Wiki

http://wiki.apache.org/hadoop/HowManyMapsAndReduces

Picking the appropriate size for the tasks for your job can radically change the performance of Hadoop.