Switched Default Language from Groovy to PainlesseditThe default scripting language for Elasticsearch is now Painless. Painless is a custom-built language with syntax similar to Groovy designed to be fast as well as secure. Many Groovy scripts will be identitical to Painless scripts to help make the transition between languages as simple as possible.Elasticsearch의 기본 script 언어는 이제 Painless이다. Pa..