Cloudera explores a specific use case for Apache Hadoop, one that is not commonly recognized, but is gaining interest behind the scenes. It has to do with converting, storing, and searching email messages using the Hadoop platform for archival purposes.
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Implications: you can set up a system for legal hold, email archiving and retention, and subsequent eDiscovery, all on open source scalable platform. And, it will likely work better than home-grown proprietary platforms, because Hadoop is designed for scalability and has been proven at world's largest companies.
Art: Winslow Homer : Woman and Elephant