Introduction The cluster health API allows you to quickly obtain the basic status of the health of the Elasticsearch cluster and the cluster stats API allows you to retrieve the statistics from a cluster-wide perspective. The API can return basic index metrics, such as shard numbers, store size and memory usage as well as information … Continued
Introduction In order to prevent unauthorized users from gaining accessing to your Elasticsearch cluster, you need to be able to authenticate the users’ authorization. This is a simple as setting up a way to validate each user. The Elasticsearch security features provides a standalone verification mechanism that allows you to easily configure passwords for Kibana. … Continued
Introduction Kibana is a data analytics and data visualization product that’s part of the Elastic Stack. Although it’s designed to work with Elasticsearch, it’s a separate product that needs to be installed separately. While the product is sometimes run as a background daemon service, Kibana can also be run in a terminal in the foreground. … Continued
Introduction: If you’re looking for a powerful full-text search engine, Elasticsearch is the logical choice. Elasticsearch offers users an official API for a few different languages, including PHP. The PHP library offers a simplified interface that maps closely with PHP syntax and makes it easy to perform Elasticsearch-related tasks like indexing, retrieving and deleting documents. … Continued
Introduction Scripting is usually performed with Painless or Java and can be used to create scripts that will update Elasticsearch documents with customized expressions. Previously, Groovy, a scripting language that used Java syntax was the default language, however, this has been depreciated since Elasticsearch version 5.x was released. Painless is a faster, safer and simpler … Continued
Introduction: If you’re using Elasticsearch to store and manage your data, you’ll probably need to replace documents from time to time. With Elasticsearch, replacing a document is a simple process– it’s the same process as updating a document in Elasticsearch using the Update API and replacing all the old data within the document with new … Continued
Introduction The Elastic’s Get API library has the power to return an index’s data after you make a GET request to a cluster in Elasticsearch. There are two ways to accomplish this. Either use the Kibana Console User Interface (UI) or the cURL library to do it. GET requests enable you to return document data … Continued
Introduction: When you’re analyzing large sets of data, it can be challenging to present your results in a way that’s both meaningful and easy to understand. Data visualization can solve this problem by rendering data in various graphic formats, such as charts, graphs and diagrams. Fortunately, you can easily create these charts and graphs in … Continued
Add a front-end to the app We made a great deal of progress in Part 1. We’ve proven we can interact with Elasticsearch through the browser, but so far our app is not at all user friendly. In this section we’ll add a basic user interface to allow us to interact with Elasticsearch with greater … Continued
Introduction The purpose of this demo is to highlight how to integrate Elasticsearch into a simple web application. Elasticsearch can add advanced search functionality to a web application and can make drastically improve user experience. The demo application we will allow us to search for existing articles based on the title so we don’t accidentally … Continued
