Book Image

Elasticsearch 7.0 Cookbook - Fourth Edition

By : Alberto Paro
Book Image

Elasticsearch 7.0 Cookbook - Fourth Edition

By: Alberto Paro

Overview of this book

Elasticsearch is a Lucene-based distributed search server that allows users to index and search unstructured content with petabytes of data. With this book, you'll be guided through comprehensive recipes on what's new in Elasticsearch 7, and see how to create and run complex queries and analytics. Packed with recipes on performing index mapping, aggregation, and scripting using Elasticsearch, this fourth edition of Elasticsearch Cookbook will get you acquainted with numerous solutions and quick techniques for performing both every day and uncommon tasks such as deploying Elasticsearch nodes, integrating other tools to Elasticsearch, and creating different visualizations. You will install Kibana to monitor a cluster and also extend it using a variety of plugins. Finally, you will integrate your Java, Scala, Python, and big data applications such as Apache Spark and Pig with Elasticsearch, and create efficient data applications powered by enhanced functionalities and custom plugins. By the end of this book, you will have gained in-depth knowledge of implementing Elasticsearch architecture, and you'll be able to manage, search, and store data efficiently and effectively using Elasticsearch.
Table of Contents (23 chapters)
Title Page

Managing bulk actions

Executing automatic operations on items via a single call will often be the cause of a bottleneck if you need to index or delete thousands/millions of records. The best practice in this case is to execute a bulk action.

We have discussed bulk actions via the REST API in the Speeding up atomic operations (bulk) recipe in Chapter 3, Basic Operations.

Getting ready

You need an up-and-running Elasticsearch installation, which you can get using the Downloading and installing Elasticsearch recipe in Chapter 1Getting Started.

A Maven tool or an IDE that natively supports it for Java programming, such as Eclipse or IntelliJ IDEA, must be installed.

The code of this recipe is in the ch13/high-level...