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ElasticSearch Cookbook
ElasticSearch Cookbook

ElasticSearch Cookbook: As a user of ElasticSearch in your web applications you'll already know what a powerful technology it is, and with this book you can take it to new heights with a whole range of enhanced solutions from plugins to scripting.

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Profile Icon Alberto Paro
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Mex$699.99 Mex$1000.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.1 (7 Ratings)
eBook Dec 2013 422 pages 1st Edition
eBook
Mex$699.99 Mex$1000.99
Paperback
Mex$1251.99
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Arrow left icon
Profile Icon Alberto Paro
Arrow right icon
Mex$699.99 Mex$1000.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.1 (7 Ratings)
eBook Dec 2013 422 pages 1st Edition
eBook
Mex$699.99 Mex$1000.99
Paperback
Mex$1251.99
Subscription
Free Trial
eBook
Mex$699.99 Mex$1000.99
Paperback
Mex$1251.99
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ElasticSearch Cookbook

Chapter 2. Downloading and Setting Up ElasticSearch

In this chapter we will cover the following topics:

  • Downloading and installing an ElasticSearch
  • Networking setup
  • Setting up a node
  • Setting up ElasticSearch for Linux systems (advanced)
  • Setting up different node types (advanced)
  • Installing a plugin
  • Installing a plugin manually
  • Removing a plugin
  • Changing logging settings (advanced)

Introduction

There are different options in installing ElasticSearch and setting up a working environment for development and production.

This chapter explains the installation process and the configuration from a single developer machine to a big cluster, giving hints on how to improve the performance and skip misconfiguration errors.

The setup step is very important, because a bad configuration can bring bad results, poor performances and kill your server.

In this chapter, the management of ElasticSearch plugins is also discussed: installing, configuring, updating, and removing plugins.

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 ones), the ElasticSearch community tries to keep them updated and fix bugs that are discovered in them and in ElasticSearch core.

If it's possible, the best practice is to use the latest available release (usually the more stable one).

Getting ready

A supported ElasticSearch Operative System (Linux/MacOSX/Windows) with installed Java JVM 1.6 or above is required. A web browser is required to download the ElasticSearch binary release.

How to do it...

For downloading and installing an ElasticSearch server, we will perform the steps given as follows:

  1. Download ElasticSearch from the Web.

    The latest version is always downloadable from the web address http://www.elasticsearch.org/download/.

    There are versions available for different operative systems:

    • elasticsearch-{version-number...

Networking setup

Correctly setting up a networking is very important for your node and cluster.

As there are a lot of different install scenarios and networking issues in this recipe we will cover two kinds of networking setups:

  • Standard installation with autodiscovery working configuration
  • Forced IP configuration; used if it is not possible to use autodiscovery

Getting ready

You need a working ElasticSearch installation and to know your current networking configuration (that is, IP).

How to do it...

For configuring networking, we will perform the steps as follows:

  1. Open the ElasticSearch configuration file with your favorite text editor.

    Using the standard ElasticSearch configuration file (config/elasticsearch.yml), your node is configured to bind on all your machine interfaces and does autodiscovery broadcasting events, that means it sends "signals" to every machine in the current LAN and waits for a response. If a node responds to it, they can join in a cluster.

    If another node is available...

Setting up a node

ElasticSearch allows you to customize several parameters in an installation. In this recipe, we'll see the most used ones to define where to store our data and to improve general performances.

Getting ready

You need a working ElasticSearch installation.

How to do it...

The steps required for setting up a simple node are as follows:

  1. Open the config/elasticsearch.yml file with an editor of your choice.
  2. Set up the directories that store your server data:
    path.conf: /opt/data/es/conf
    path.data: /opt/data/es/data1,/opt2/data/data2
    path.work: /opt/data/work
    path.logs: /opt/data/logs
    path.plugins: /opt/data/plugins
  3. Set up parameters to control the standard index creation. These parameters are:
    index.number_of_shards: 5
    index.number_of_replicas: 1

How it works...

The path.conf file defines the directory that contains your configuration: mainly elasticsearch.yml and logging.yml. The default location is $ES_HOME/config with ES_HOME your install directory.

Note

It's useful to set up...

Setting up ElasticSearch for Linux systems (advanced)

If you are using a Linux system, typically on a server, you need to manage extra setup to have a performance gain or to resolve production problems with many indices.

Getting ready

You need a working ElasticSearch installation.

How to do it...

For improving the performance on Linux systems, we will perform the steps given as follows:

  1. First you need to change the current limit for the user who runs the ElasticSearch server. In these examples, we call the user as elasticsearch.
  2. To allow elasticsearch to manage a large number of files, you need to increment the number of file descriptors (number of files) that a user can have. To do so, you must edit your /etc/security/limits.conf and add the following lines at the end:
    elasticsearch       -       nofile          999999
    elasticsearch       -       memlock         unlimited

    Then a machine restart is required to be sure that changes are taken.

  3. For controlling the memory swapping, you need to set up...

Introduction


There are different options in installing ElasticSearch and setting up a working environment for development and production.

This chapter explains the installation process and the configuration from a single developer machine to a big cluster, giving hints on how to improve the performance and skip misconfiguration errors.

The setup step is very important, because a bad configuration can bring bad results, poor performances and kill your server.

In this chapter, the management of ElasticSearch plugins is also discussed: installing, configuring, updating, and removing plugins.

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 ones), the ElasticSearch community tries to keep them updated and fix bugs that are discovered in them and in ElasticSearch core.

If it's possible, the best practice is to use the latest available release (usually the more stable one).

Getting ready

A supported ElasticSearch Operative System (Linux/MacOSX/Windows) with installed Java JVM 1.6 or above is required. A web browser is required to download the ElasticSearch binary release.

How to do it...

For downloading and installing an ElasticSearch server, we will perform the steps given as follows:

  1. Download ElasticSearch from the Web.

    The latest version is always downloadable from the web address http://www.elasticsearch.org/download/.

    There are versions available for different operative systems:

    • elasticsearch-{version-number...

Networking setup


Correctly setting up a networking is very important for your node and cluster.

As there are a lot of different install scenarios and networking issues in this recipe we will cover two kinds of networking setups:

  • Standard installation with autodiscovery working configuration

  • Forced IP configuration; used if it is not possible to use autodiscovery

Getting ready

You need a working ElasticSearch installation and to know your current networking configuration (that is, IP).

How to do it...

For configuring networking, we will perform the steps as follows:

  1. Open the ElasticSearch configuration file with your favorite text editor.

    Using the standard ElasticSearch configuration file (config/elasticsearch.yml), your node is configured to bind on all your machine interfaces and does autodiscovery broadcasting events, that means it sends "signals" to every machine in the current LAN and waits for a response. If a node responds to it, they can join in a cluster.

    If another node is available in the...

Setting up a node


ElasticSearch allows you to customize several parameters in an installation. In this recipe, we'll see the most used ones to define where to store our data and to improve general performances.

Getting ready

You need a working ElasticSearch installation.

How to do it...

The steps required for setting up a simple node are as follows:

  1. Open the config/elasticsearch.yml file with an editor of your choice.

  2. Set up the directories that store your server data:

    path.conf: /opt/data/es/conf
    path.data: /opt/data/es/data1,/opt2/data/data2
    path.work: /opt/data/work
    path.logs: /opt/data/logs
    path.plugins: /opt/data/plugins
  3. Set up parameters to control the standard index creation. These parameters are:

    index.number_of_shards: 5
    index.number_of_replicas: 1

How it works...

The path.conf file defines the directory that contains your configuration: mainly elasticsearch.yml and logging.yml. The default location is $ES_HOME/config with ES_HOME your install directory.

Note

It's useful to set up the config...

Setting up ElasticSearch for Linux systems (advanced)


If you are using a Linux system, typically on a server, you need to manage extra setup to have a performance gain or to resolve production problems with many indices.

Getting ready

You need a working ElasticSearch installation.

How to do it...

For improving the performance on Linux systems, we will perform the steps given as follows:

  1. First you need to change the current limit for the user who runs the ElasticSearch server. In these examples, we call the user as elasticsearch.

  2. To allow elasticsearch to manage a large number of files, you need to increment the number of file descriptors (number of files) that a user can have. To do so, you must edit your /etc/security/limits.conf and add the following lines at the end:

    elasticsearch       -       nofile          999999
    elasticsearch       -       memlock         unlimited

    Then a machine restart is required to be sure that changes are taken.

  3. For controlling the memory swapping, you need to set up...

Left arrow icon Right arrow icon

Key benefits

  • Write native plugins to extend the capabilities of ElasticSearch to boost your business
  • Integrate the power of ElasticSearch in your Java applications using the native API or Python applications, with the ElasticSearch community client
  • Step-by step-instructions to help you easily understand ElasticSearch's capabilities, that act as a good reference for everyday activities

Description

ElasticSearch is one of the most promising NoSQL technologies available and is built to provide a scalable search solution with built-in support for near real-time search and multi-tenancy. This practical guide is a complete reference for using ElasticSearch and covers 360 degrees of the ElasticSearch ecosystem. We will get started by showing you how to choose the correct transport layer, communicate with the server, and create custom internal actions for boosting tailored needs. Starting with the basics of the ElasticSearch architecture and how to efficiently index, search, and execute analytics on it, you will learn how to extend ElasticSearch by scripting and monitoring its behaviour. Step-by-step, this book will help you to improve your ability to manage data in indexing with more tailored mappings, along with searching and executing analytics with facets. The topics explored in the book also cover how to integrate ElasticSearch with Python and Java applications. This comprehensive guide will allow you to master storing, searching, and analyzing data with ElasticSearch.

Who is this book for?

If you are a developer who implements ElasticSearch in your web applications, manage data, or have decided to start using ElasticSearch, this book is ideal for you. This book assumes that you've got working knowledge of JSON and Java.

What you will learn

  • Choose the best ElasticSearch cloud topology to deploy and power it up with external plugins
  • Control the index steps with tailored mappings
  • Manage indices and documents and build a complex query against them
  • Execute facets to compute analytics against your data to improve searches and results
  • Use scripting to bypass limits of search, facets, and updates
  • Synchronize and populate data from different data sources, by managing rivers (SQL, NoSQL, web)
  • Monitor the cluster and node performances, and execute common tasks via web interfaces
  • Integrate ElasticSearch in Python and Java applications
  • Extend the capabilities of ElasticSearch by writing your own plugin to add REST calls, rivers, and custom cluster actions

Product Details

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Publication date, Length, Edition, Language, ISBN-13
Publication date : Dec 26, 2013
Length: 422 pages
Edition : 1st
Language : English
ISBN-13 : 9781782166634
Vendor :
Elastic
Category :
Languages :

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Product Details

Publication date : Dec 26, 2013
Length: 422 pages
Edition : 1st
Language : English
ISBN-13 : 9781782166634
Vendor :
Elastic
Category :
Languages :

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Table of Contents

13 Chapters
1. Getting Started Chevron down icon Chevron up icon
2. Downloading and Setting Up ElasticSearch Chevron down icon Chevron up icon
3. Managing Mapping Chevron down icon Chevron up icon
4. Standard Operations Chevron down icon Chevron up icon
5. Search, Queries, and Filters Chevron down icon Chevron up icon
6. Facets Chevron down icon Chevron up icon
7. Scripting Chevron down icon Chevron up icon
8. Rivers Chevron down icon Chevron up icon
9. Cluster and Nodes Monitoring Chevron down icon Chevron up icon
10. Java Integration Chevron down icon Chevron up icon
11. Python Integration Chevron down icon Chevron up icon
12. Plugin Development Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

Top Reviews
Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.1
(7 Ratings)
5 star 28.6%
4 star 57.1%
3 star 14.3%
2 star 0%
1 star 0%
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Top Reviews

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jensblond Mar 05, 2014
Full star icon Full star icon Full star icon Full star icon Full star icon 5
After reading "ElasticSearch Server" and "Mastering ElasticSearch", "ElasticSearch Cookbook" is a good resource for finding solutions and answers to simple things but also complex tasks.It is very useful for your daily ElasticSearch business. You get the extracted informations to your questions. Each "recipe" is split into the following parts:- Getting Ready- How to do it…- How it works…(Optional)- There's more…- See alsoAs an eBook it is very handy with the search function of your eBook Reader.I would fully recommend the book. …but if you need deeper information, you have to get the other mentioned books.
Amazon Verified review Amazon
Jan Borgelin Mar 13, 2014
Full star icon Full star icon Full star icon Full star icon Full star icon 5
While cookbooks are not a suitable format for every technology out there, it certainly works for ElasticSearch, as it has so many features to write about.The book covers everything from setting up and configuring a single server or a cluster, working with the REST API (along with good recommendations on plugins to make your life more comfortable) as well as short examples in Python and Java to get you comfortable transforming your knowledge in REST interface to programming languages.Recipes represent common tasks you will encounter while working with ES, thus it serves as a good reference book after you've finished reading it.This book covers ES v.0.90.x, but the changes and improvements in 1.x.x versions are subtle and easily adaptable once you master the basics.I highly recommend this book to anyone who needs to quickly master ElasticSearch and is having problems in finding his way through the official documentation.
Amazon Verified review Amazon
astropanic Mar 15, 2014
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
It's not a must read but a nice addition to the two others books from the series, who owns them, will not need the chapters with explanation of the basic terms, and the installation guide either.This book contains some useful information about writing custom plugins, scripting, monitoring, some code integration is also covered, examples are for Java and Python.Sadly, aggregations are not mentioned (facets are), but still the book is worth a read.
Amazon Verified review Amazon
Craig Pottinger Mar 02, 2014
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
I needed to ramp up on elastisearch quickly. Having never used it or anything like it, It was the perfect pace. The only reason I would not go 5 is because it does not cover aggregations, which going forward should act as an active replacement for facets. It's a great place to start, but in practice you'll find yourself consulting alongside the book the elasticsearch documentation, which is good in its own right. That said, I'm happy that I purchased the book.
Amazon Verified review Amazon
hzero Feb 01, 2014
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
The official ElasticSearch documentation is sometimes to sporadic. Don't take me wrong, I like developer manual that go to the point and this is not an extensive cookbook full of example. You get all the API documented with every time one request and response example and some hint to avoid common pitfall, that's it. Chapter are short and cross referenced avoiding reading two time the same explanation. I'm using the PDF version of this book has my main reference now.... thanks!
Amazon Verified review Amazon
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