ElasticsearchTag ArchiveSubscribe

Geospatial Support in ElasticSearch 1. Introduction Elasticsearch is best known for its full-text search capabilities but it also features full geospatial support. We can find more about setting up Elasticsearch and getting started in this previous article. Let’s take a look on to how we can save geo-data in Elasticsearch… Continue Reading elasticsearch-geo-spatial

Guide to Elasticsearch in Java 1. Overview In this article, we’re going to dive into some key concepts related to full-text search engines, with a special focus on Elasticsearch. As this is a Java-oriented article, we’re not going to give a detailed step-by-step tutorial on how to setup Elasticsearch and… Continue Reading elasticsearch-java

Jest – Elasticsearch Java Client 1. Introduction Anyone who has worked with Elasticsearch knows that building queries using their RESTful search API can be tedious and error-prone. In this tutorial, we’ll look at Jest, an HTTP Java client for Elasticsearch. While Elasticsearch provides its own native Java client, Jest provides… Continue Reading elasticsearch-jest

Send Operating System Data into Elastic Stack (ELK Stack) 1. Overview In this quick tutorial, we’ll discuss how to send OS-level metrics into Elastic Stack. As a reference, we’re going to be using an Ubuntu server here. We’ll use Metricbeat to collect data from the Operating System and send them… Continue Reading os-data-into-elastic-stack

JMX Data to the Elastic Stack (ELK) 1. Overview In this quick tutorial, we’re going to have a look at how to send JMX data from our Tomcat server to the Elastic Stack (formerly known as ELK). We’ll discuss how to configure Logstash to read data from JMX and send… Continue Reading tomcat-jmx-elastic-stack

A Simple Tagging Implementation with Elasticsearch 1. Overview Tagging is a common design pattern that allows us to categorize and filter items in our data model. In this article, we’ll implement tagging using Spring and Elasticsearch. We’ll be using both Spring Data and the Elasticsearch API. First of all, we… Continue Reading elasticsearch-tagging

Elasticsearch Queries with Spring Data 1. Introduction In a previous article, we demonstrated how to configure and use Spring Data Elasticsearch for a project. In this article we will examine several query types offered by Elasticsearch and we’ll also talk about field analyzers and their impact on search results. 2.… Continue Reading spring-data-elasticsearch-queries

Send the Logs of a Java App to the Elastic Stack (ELK) 1. Overview In this quick tutorial, we’ll discuss, step by step, how to send out application logs to the Elastic Stack (ELK). In an earlier article, we focused on setting up the Elastic Stack and sending JMX data… Continue Reading java-application-logs-to-elastic-stack

Quick Intro to Full-Text Search with ElasticSearch 1. Overview Full-text search queries and performs linguistic searches against documents. It includes single or multiple words or phrases and returns documents that match search condition. ElasticSearch is a search engine based on Apache Lucene, a free and open-source information retrieval software library.… Continue Reading elasticsearch-full-text-search-rest-api

Introduction to Spring Data Elasticsearch 1. Overview In this article we’ll explore the basics of Spring Data Elasticsearch in a code-focused, practical manner. We’ll show how to index, search, and query Elasticsearch in a Spring application using Spring Data – a Spring module for interaction with a popular open-source, Lucene-based… Continue Reading spring-data-elasticsearch-tutorial