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Month: January 2017

Hadoop SQL Engines

Pre-requisites for Hadoop to make inroads into the Enterprise Data Warehouse space is to have the following three items in place: Subsecond response times for SQL queries (often
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Hadoop Architecture

Apache Hadoop is an open-source software framework for storage and large-scale processing of data-sets on clusters of commodity hardware. There are mainly five building blocks inside this runtime
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Anatomy of a MapReduce Job

In MapReduce, a YARN application is called a Job. The implementation of the Application Master provided by the MapReduce framework is called MRAppMaster. Timeline of a MapReduce Job
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