ES

ES may refer to:

• External storage, the abstraction layer in MediaWiki for storing wiki page content outside the main wiki database. Related host names at WMF are prefixed with es, like es1001.
• Elasticsearch, an open-source search engine used by Wikimedia. Typical releases use a minor version like v6.3 or v7.0, but release lines can be referred to as ES6 or ES7.
• Elastic Stack, a term for the combination of Elasticsearch, Logstash, and Kibana. Also known as an ELK Stack.
• ECMAScript, popularly known as JavaScript, of which editions are often referred to by number or year, such as ES5, ES6, or ES2017.