A few optional query-string parameters can influence the search process.검색 프로세스에 영향을 미칠 수 있는, 몇 개의 선택적 query-string 매개변수가 있다.preferenceeditThe preference parameter allows you to control which shards or nodes are used to handle the search request. It accepts values such as _primary, _primary_first, _local, _only_node:xyz, _prefer_node:xyz, and _shards:2,3, which are explained in detail on the sea..