Downloading and installing ElasticSearch
ElasticSearch has an active community and the release cycles are very fast.
Because ElasticSearch depends on many common Java libraries (Lucene, Guice, and Jackson are the most famous), the ElasticSearch community tries to keep them updated and fixes bugs that are discovered in them and the ElasticSearch core. The large user base is also a source of new ideas and features to improve ElasticSearch use cases.
For these reasons, if it's possible, best practice is to use the latest available release (usually, the most stable release and with the least bugs).
Getting ready
You need an ElasticSearch supported operating system (Linux / Mac OS X / Windows) with JVM 1.7 or above installed. A web browser is required ...
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