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MongoDB Cookbook by Amol Nayak

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Running a MapReduce job on Amazon EMR

This recipe involves running the MapReduce job on the cloud using AWS. You will need an AWS account in order to proceed. Register to AWS at http://aws.amazon.com/.We will see how to run a MapReduce job on the cloud using Amazon Elastic MapReduce (EMR). Amazon EMR is a managed MapReduce service provided by Amazon on the cloud. For more details, refer to https://aws.amazon.com/elasticmapreduce/. Amazon EMR requires the data, binaries/jars, and so on to be present in the S3 bucket that it processes. It then writes the results back to the S3 bucket. Amazon Simple Storage Service (S3) is another service by AWS for data storage on the cloud. For more details on Amazon S3, refer to http://aws.amazon.com/s3/. Though ...

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