Book Image

Mastering ElasticSearch [Video]

By : Ethan Anthony Wade
Book Image

Mastering ElasticSearch [Video]

By: Ethan Anthony Wade

Overview of this book

ElasticSearch is a Lucene-based search engine for distributed search and analytics. This course will serve as a hands-on guide as you explore the features of ElasticSearch 5.0. You will go beyond the basics and master advanced concepts in ElasticSearch distributed searching, indexing, optimization, administration and much more. You will be able to harness knowledge of advanced topics such as the ElasticSearch optimization and administration which include the inner workings of ElasticSearch, advanced queries, sharding for optimal performance, low level index configurations, and the best of ElasticSearch administration. Packed with easy to follow examples, this video course will ensure that you have a firm understanding of advanced topics of ElasticSearch 5.0, and how to effectively optimize your cluster.
Table of Contents (9 chapters)
Chapter 3
Relevancy in ElasticSearch
Content Locked
Section 3
Query Rescoring
The goal of this video is to gain an understanding of the often confusing concept of query rescoring. - Learn what query rescoring is and when it is executed - Gain understanding of query_weight versus query_rescore_weight - See examples of query rescoring in ElasticSearch