June 2017
Beginner to intermediate
404 pages
8h 22m
English
Content preview from Learning Elasticsearch
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How does search work?
In the previous section, we discussed how to create, update, and delete documents. In this section, we will briefly discuss how search works internally and explain the basic query APIs. Mostly, I want to talk about the inverted index and Apache Lucene. All the data in Elasticsearch is internally stored in Apache Lucene as an inverted index. Although data is stored in Apache Lucene, Elasticsearch is what makes it distributed and provides the easy-to-use APIs. We will discuss Search API in detail in Chapter 6, All About Search.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.