Elasticsearch

<p>Elasticsearch is a <a href="/facts/Search_engine_(computing)/KJmpgDbH">search engine</a> based on <a href="/facts/Apache_Lucene/tPQ0D39Y">Apache Lucene</a>, a free and open-source search engine. It provides a distributed, <a href="/facts/Multitenancy/vAxVpeUu">multitenant</a>-capable <a href="/facts/Full-text_search/X0qrIEJj">full-text search</a> engine with an <a href="/facts/HTTP/TWtvf7JD">HTTP</a> web interface and schema-free <a href="/facts/JSON/bs1rUAhd">JSON</a> documents. Official clients are available in <a href="/facts/Java_(programming_language)/9ScgFyAL">Java</a>, <a href="/facts/.NET_Framework/J6QDAUhP">.NET</a> (<a href="/facts/C_Sharp_(programming_language)/UC2gxeyb">C#</a>), <a href="/facts/PHP_(programming_language)/vU6YRJX0">PHP</a>, <a href="/facts/Python_(programming_language)/YbuGqofa">Python</a>, <a href="/facts/Ruby_(programming_language)/BeYSaPSR">Ruby</a> and many other languages. According to the <a href="/facts/DB-Engines_ranking/YtpVNQp3">DB-Engines ranking</a>, Elasticsearch is the most popular enterprise search engine.
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Elasticsearch open-in-new

Elasticsearch