# 3. Elasticsearch 시스템 구조

  Elasticsearch는 대용량 데이터의 증가에 따른 스케일 아웃과 데이터 무결성을 유지하기 위한 클러스터링을 지원합니다. 항상 클러스터를 기본으로 동작을 하며 1개의 노드만 있어도 클러스터로 구성이 됩니다.


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