不爲也 比不能也

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..

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..

So far, we have learned how to use Elasticsearch as a simple NoSQL-style distributed document store. We can throw JSON documents at Elasticsearch and retrieve each one by ID. But the real power of Elasticsearch lies in its ability to make sense out of chaos — to turn Big Data into Big Information.지금까지, 간단한 NoSQL-style의 분산 document 저장소로서의 Elasticsearch를 사용하는 방법에 대해 배웠다. Elasticsearch에 JSON docume..