不爲也 比不能也

UPDATE: This article refers to our hosted Elasticsearch offering by an older name, Found. Please note that Found is now known as Elastic Cloud.이 게시물은 기존에 Found라는 이름으로 제공된 Elasticsearch 서비스에 관한 것이다. Found은 이제 Elasticsearch Cloud로 알려져 있다.In this article series, we look at Elasticsearch from a new perspective. We'll start at the "bottom" (or close enough!) of the many abstraction levels, and gradua..

analysisAnalysis is the process of converting full text to terms. Depending on which analyzer is used, these phrases: FOO BAR, Foo-Bar, foo,bar will probably all result in the terms foo and bar. These terms are what is actually stored in the index. A full text query (not a term query) for FoO:bAR will also be analyzed to the terms foo,bar and will thus match the terms stored in the index. It is ..

Objects in an application are seldom just a simple list of keys and values. More often than not, they are complex data structures that may contain dates, geo locations, other objects, or arrays of values.응용프로그램의 오브젝트가 단순히 간단한 Key/Value의 목록인 경우는 거의 없다. 보통 오브젝트는 날짜, 위치정보, 다른 오브젝트, 값의 배열을 포함하고 있는 복잡한 구조이다.Sooner or later you’re going to want to store these objects in a database. Trying to do this w..

The first order of business is storing employee data. This will take the form of an employee document: a single document represents a single employee. The act of storing data in Elasticsearch is called indexing, but before we can index a document, we need to decide where to store it.첫 번째 요구사항은 직원 데이터를 저장하는 것이다. 이것은 employee document 의 형태를 가질 것이다. 하나의 document는 직원 1명을 나타낸다. Elasticsearch에 데이터를 저장..

Whatever program we write, the intention is the same: to organize data in a way that serves our purposes. But data doesn’t consist of just random bits and bytes. We build relationships between data elements in order to represent entities, or things that exist in the real world. A name and an email address have more meaning if we know that they belong to the same person.어떤 program을 작성하더라도, 그 목표(목..

Most entities or objects in most applications can be serialized into a JSON object, with keys and values. A key is the name of a field or property, and a value can be a string, a number, a Boolean, another object, an array of values, or some other specialized type such as a string representing a date or an object representing a geolocation:대부분의 응용프로그램에서 대부분의 요소나 오브젝트는 key/value를 가진 JSON 오브젝트로 나타..