December 2015
Intermediate to advanced
176 pages
3h 25m
English
Content preview from Elasticsearch IndexingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. What is an Elasticsearch Index
In the previous chapter, we looked at what the difference is when a field becomes indexed and searchable and at how the analysis process affects the relevant search results. In this chapter, we will dive deep into the concept of the Elasticsearch index. Therefore, we will first go through basic concepts. Then we will examine the inverted index data structure. By the end of this chapter, we will have covered the following topics:
- What is dynamic mapping?
- What is denormalization?
- Is index flexible?
- What is the inverted index?
Nature of the Elasticsearch index
Let's go through the basic concepts of Elasticsearch indices and their features.
Indices
Elasticsearch is document-oriented. Each record in Elasticsearch is ...
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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.
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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.