Struts An Open-source Architecture for Web Applications
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The document provides an overview of Struts, an open-source MVC framework for building web applications in Java, discussing how to install and configure Struts, its core concepts like the MVC pattern, and how to develop applications using Struts including creating forms, actions, and tag libraries.
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Hadoop - Simple. Scalable.
Hadoop - Simple. Scalable.elliando dias This document provides an overview of Hadoop, including:
1) Hadoop solves the problems of analyzing massively large datasets by distributing data storage and analysis across multiple machines to tolerate node failure.
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3) The document demonstrates MapReduce concepts like map, reduce, and their composition with an example job.
Hadoop and Hive Development at Facebook
Hadoop and Hive Development at Facebookelliando dias Facebook generates large amounts of user data daily from activities like status updates, photo uploads, and shared content. This data is stored in Hadoop using Hive for analytics. Some key facts:
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