Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Elasticsearch  Indexing

You're reading from   Elasticsearch Indexing How to Improve User's Search Experience

Arrow left icon
Product type Paperback
Published in Dec 2015
Publisher
ISBN-13 9781783987023
Length 176 pages
Edition 1st Edition
Arrow right icon
Author (1):
Arrow left icon
Huseyin Akdogan Huseyin Akdogan
Author Profile Icon Huseyin Akdogan
Huseyin Akdogan
Arrow right icon
View More author details
Toc

Optimization of mapping definition


If your search requirements allow it, there are some tips for optimization in the mapping definition of your index for when you need to improve the indexing performance. In the following section, we will look at those tips.

Norms

Scoring is the process of calculating the score of a document in the scope of a particular query and is an important part of the query process in Lucene. The score indicates how well the document matches the query. In other words, it is a factor that shows how close the document you are looking for. This means, the higher the score, the more relevant the document. There are several factors that are a determinant in calculating the score. One of them is the norms.

Lucene takes field length into account for the default relevance calculation. When a searched term is found in a short field (content length is short), Lucene thinks it is more likely that the content of that field is about the term than if the same term contains in a long...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image