Introduction Snapshots are an ideal way to backup your Elasticsearch data before performing system upgrades or a potentially breaking change to the cluster. A snapshot is essentially a backup of an Elasticsearch cluster and all its indices, taken from a running Elasticsearch cluster. This function allows you to backup the entire cluster or just a … Continued
Introduction This article serves as a handy Elasticsearch cheatsheet for some of the most useful cURL requests you need for executing HTTP requests to an Elasticsearch cluster. cURL is a computer software program with a library and command-line tool designed for retrieving, transferring or sending data, including files, via various protocols using URL syntax. The … Continued
Introduction Like many standard websites, it’s common for WordPress sites to contain a Search box so that users can enter keywords and phrases of the content they want to locate. This works fine if your site is small with a tiny amount of content. The thing is, your site will likely grow and you’ll soon … Continued
Introduction: If you’re looking for fast, powerful search functionality, Elasticsearch is the logical choice. This scalable search engine can perform speedy, efficient full-text searches and other complex queries. You can use PHP to create a simple search engine that demonstrates the capabilities of Elasticsearch. In this tutorial, we’ll show you how documents can be created … Continued
Introduction If you’re using Elasticsearch to store documents, you’re going to need to search that data in different ways. Elasticsearch is known for its powerful, efficient search capabilities, and the PHP client for Elasticsearch makes it possible to harness those search capabilities from a PHP script. This step-by-step tutorial will explain how to perform different … Continued
Introduction: If you’re looking for a scalable full-text search engine, Elasticsearch is the natural choice. Elasticsearch provides users with an official API for some popular languages, including PHP. Elasticsearch’s low-level PHP client offers a streamlined interface that makes it easy to communicate with Elasticsearch. Common tasks such as indexing, deleting, updating and retrieving documents can … Continued
Introduction: The benefit of a rolling upgrade is that it doesn’t interrupt the Elasticsearch service. In essence, you shut down a node, upgrade it, and then restart it. You’ll repeat the process until all the nodes are updated. When a node is being updated, shards are sent to other nodes. Everything runs smoothly without having … Continued
Introduction Initiating a full cluster restart for Elasticsearch requires you to shut all down nodes in the cluster, upgrade the nodes and the restart the cluster. For this tutorial, you will need to confirm your are running Elastic Stack version 6.x or greater on your server before you can perform a full cluster restart for … Continued
Introduction If you’re working with data in Elasticsearch, you’ll probably need to modify, or update, your documents from time to time. This task can be accomplished quickly and easily in NodeJS — a runtime environment that allows Javascript code to be executed outside of a browser. In this tutorial, we’ll explain how to modify Elasticsearch … Continued
Introduction If you’re storing documents in an Elasticsearch index, you’ll probably want to create a mapping for the index. Mapping an index allows you to define how the fields in a documents are stored and handled in Elasticsearch: which fields contain numbers, which fields should be handled as full-text fields, how dates should be formatted, … Continued
