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An internet advertising company operates a data warehouse using Hive and Amazon Elastic MapReduce. This company runs machines in Amazon EC2 that serve advertising impressions and redirect clicks to the advertised sites. The machines running in Amazon EC2 store each impression and click in log files pushed to Amazon S3.

Last Modified: Apr 29, 2015 17:47 PM GMT
This article shows how to use EMR to efficiently export DynamoDB tables to S3, import S3 data into DynamoDB, and perform sophisticated queries across tables stored in both DynamoDB and other storage services such as S3.
Last Modified: Sep 26, 2013 0:23 AM GMT
Data Wrangling blogger and AWS developer Peter Skomoroch gives us an introduction to Amazon Elastic MapReduce. Peter Skomoroch is a consultant at Data Wrangling in Arlington, VA where he mines large datasets to solve problems in search, finance, and recommendation systems.
Last Modified: Apr 8, 2009 1:05 AM GMT
This example shows how to use Hadoop Streaming to count the number oftimes that words occur within a text collection.
Last Modified: Apr 2, 2009 20:53 PM GMT
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