ElasticSearch Cookbook, Second Edition by Alberto Paro

By Alberto Paro

Over one hundred thirty complicated recipes to look, study, set up, deal with, and video display information successfully with ElasticSearch

About This Book

  • Deploy and deal with easy ElasticSearch nodes in addition to complicated cluster topologies
  • Write local plugins to increase the functionalities of ElasticSearch to spice up your business
  • Packed with transparent, step by step recipes to stroll you thru the functions of ElasticSearch

Who This e-book Is For

If you're a developer who implements ElasticSearch on your net functions and need to sharpen your knowing of the center components and functions, this is often the booklet for you. it really is assumed that you have got operating wisdom of JSON and, as a way to expand ElasticSearch, of Java and comparable technologies.

In Detail

This publication will consultant you thru the entire ElasticSearch surroundings. From deciding on the right kind delivery layer and speaking with the server to making and customizing inner activities, you are going to strengthen an in-depth wisdom of the implementation of the ElasticSearch architecture.

After growing complicated queries and analytics, mapping, aggregation, and scripting, you are going to grasp the mixing of ElasticSearch's performance in user-facing functions and take your wisdom one-step extra through development customized plugins, constructing adapted mapping, executing strong analytics, and integrating with Python and Java applications.

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Extra info for ElasticSearch Cookbook, Second Edition

Example text

Every ElasticSearch plugin is contained in a directory (usually, named as the plugin's name). If it is of the site plugin type, the plugin should contain a directory called _site, which contains the static files that must be served by the server. jar files. When ElasticSearch starts, it scans the plugins directory and loads the plugins. If a plugin is corrupted or broken, the server won't start. 39 Downloading and Setting Up Removing a plugin You have installed some plugins and now you need to remove a plugin because it's not required.

The following are the steps required to use the native protocol in a Java environment (we'll discuss this in depth in Chapter 10, Java Integration): 1. 1 2. 1", 9300)); // a client is created with the settings How it works... To initialize a native client, a settings object is required, which contains some configuration parameters. sniff: This allows you to sniff out the rest of the cluster and add them into its list of machines to use With the settings object, it's possible to initialize a new client by giving an IP address and port a number (default 9300).

The setup step is very important because a bad configuration can lead to bad results and poor performances, and it can even kill your server. In this chapter, the management of ElasticSearch plugins is also discussed: installing, configuring, updating, and removing. Downloading and installing ElasticSearch ElasticSearch has an active community and the release cycles are very fast. Because ElasticSearch depends on many common Java libraries (Lucene, Guice, and Jackson are the most famous), the ElasticSearch community tries to keep them updated and fixes bugs that are discovered in them and the ElasticSearch core.

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