不爲也 比不能也

A document doesn’t consist only of its data. It also has metadata—information about the document.The three required metadata elements are as follows:document가 데이터만으로 구성되어 있지는 않다. document에 대한 정보인 metadata 도 가지고 있다. 3개의 필수 metadata는 아래와 같다._indexWhere the document livesdocument가 존재하는 장소_typeThe class of object that the document representsdocument를 대표하는 오브젝트 class_idThe unique identifier for the d..

In the same way that mget allows us to retrieve multiple documents at once, the bulk API allows us to make multiple create, index, update, or delete requests in a single step. This is particularly useful if you need to index a data stream such as log events, which can be queued up and indexed in batches of hundreds or thousands.mget 이 다수의 document를 한번에 가져오는 것과 마찬가지로, bulk API는 다수의 create, index,..

A type in Elasticsearch represents a class of similar documents. A type consists of a name—such as user or blogpost—and a mapping. The mapping, like a database schema, describes the fields or properties that documents of that type may have, the datatype of each field—such as string,integer, or date—and how those fields should be indexed and stored by Lucene. Elasticsearch에서 type 은 유사한 document의 ..