Download ElasticSearch Cookbook, Second Edition by Alberto Paro PDF
By Alberto Paro
Over a hundred thirty complicated recipes to look, research, set up, deal with, and visual display unit facts successfully with ElasticSearch
About This Book
- Deploy and deal with basic ElasticSearch nodes in addition to advanced 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 features of ElasticSearch
Who This publication Is For
If you're a developer who implements ElasticSearch on your net functions and need to sharpen your realizing of the center components and purposes, this is often the booklet for you. it truly is assumed that you have got operating wisdom of JSON and, on the way to expand ElasticSearch, of Java and similar technologies.
This e-book will consultant you thru the whole ElasticSearch surroundings. From settling on the right kind shipping layer and speaking with the server to making and customizing inner activities, you'll increase an in-depth wisdom of the implementation of the ElasticSearch architecture.
After developing advanced queries and analytics, mapping, aggregation, and scripting, you'll grasp the mixing of ElasticSearch's performance in user-facing purposes and take your wisdom one-step additional by way of construction customized plugins, constructing adapted mapping, executing robust analytics, and integrating with Python and Java applications.
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Extra info for ElasticSearch Cookbook, Second Edition
ElasticSearch allows you to define different type of node to balance and improve overall performance. Getting ready You need a working ElasticSearch installation. How to do it... For the advanced setup of a cluster, there are some parameters that must be configured to define different node types. yml and can be set by performing these steps: 1. master: true 2. data: true 33 Downloading and Setting Up How it works... master parameter defines whether the node can become a master for the Cloud. The default value for this parameter is true.
Omit every kind of logging that ElasticSearch has. Take for example the root level logging here: rootLogger: INFO, console, file Now, change the root level logging using this: rootLogger: DEBUG, console, file 2. Beta1/data/elasticsearch/nodes/0]], local_node_id  […][DEBUG][threadpool] [ESCookBook] creating thread_pool [generic], type [cached], keep_alive [30s] […][DEBUG][threadpool] [ESCookBook] creating thread_pool [index], type [fixed], size , queue_size  […][DEBUG][threadpool] [ESCookBook] creating thread_pool [bulk], type [fixed], size , queue_size  … (truncated)… How it works...
The Plugin Manager's –remove command tries to detect the correct name of the plugin and remove the directory of the installed plugin. 40 Chapter 2 If there are undeletable files in your plugin directory (or a strange astronomical event that affects your server), the plugin script might fail; therefore, to manually remove a plugin, you need to follow these steps: 1. Go to the plugins directory. 2. Remove the directory with your plugin name. Changing logging settings Standard logging settings work very well for general usage.