In Pictures: 9 open source Big Data technologies to watch

With more and more companies storing more and more data and hoping to leverage it for actionable insights, Big Data is making a big splash these days. Open source technology is at the core of most Big Data initiatives. Here are nine key open source Big Data technologies to keep an eye on.

ElasticSearch

Developed by Shay Banon and based upon Apache Lucene, ElasticSearch is a distributed, RESTful open source search server. It's a scalable solution that supports near real-time search and multitenancy without a special configuration. It has been adopted by a number of companies, including StumbleUpon and Mozilla. ElasticSearch is available under the Apache License 2.0.

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