OpenSearch / Elasticsearch

OpenSearch Flattened Field Date Range Queries

Learn how to perform OpenSearch flattened field date range queries using ISO8601 format. Discover solutions for date range queries and ASCII comparison challenges in Java.

OpenSearch Flattened Numeric Field Range Queries in Java

Learn how to perform OpenSearch flattened field numeric range queries in Java. Discover solutions for zero-padding numbers, ASCII comparison challenges, and two's complement approaches for negative numbers.

OpenSearch Nested Field Type Java

Learn how to use OpenSearch nested field type Java with practical examples. Preserve object boundaries for array searching within the same object.

[Tutorial] OpenSearch Terms Aggregation Include Exclude Parameters on Keyword Fields

OpenSearch Terms Aggregation Include Exclude parameters can refine which values are counted in array fields, which are otherwise unimpacted by the query body!

[Tutorial] OpenSearch keyword field in Java Indexing Deep Dive

This tutorial demonstrates the OpenSearch keyword field in Java. It includes free source code that demonstrates mapping, indexing and the tokens produced.

Getting Started With OpenSearch in Java

This tutorial will help with getting started with OpenSearch in Java through the Code Sloth code samples. Clone the repo and explore through ready to run tests!

[Tutorial] Creating an OpenSearch Custom Analyzer

Leveraging an OpenSearch custom analyzer will unlock fine-grain control that can create a powerful full text search experience. This tutorial will show you how!

[Tutorial] Indexing the OpenSearch Text Field Data Type

The OpenSearch text field data type is the foundation of full text search. This article will demonstrate how to create text mappings and index data into them.

[Tutorial] Running ElasticSearch Locally in Docker

Follow the simple steps in this ElasticSearch Docker tutorial to run an ElasticSearch Docker image locally on your computer. Single + multi-node clusters.

[Tutorial] OpenSearch Keyword Composite Aggregation

[Tutorial] OpenSearch Keyword Adjacency Matrix Aggregation

[Tutorial] OpenSearch Keyword Terms Aggregation

[Tutorial] OpenSearch Keyword Cardinality Aggregation

This short tutorial will teach you what the ElasticSearch Cardinality Aggregation is and how to use it. Copy and paste the ready to use ready to use examples ?

[Tutorial] Sorting the Keyword Field Data Type

[Tutorial] Querying the Keyword Field Data Type

[Tutorial] Keyword Field Data Type Indexing Deep Dive

The OpenSearch Keyword is a powerful for exact match search. Learn how to index keyword data and the difference between ElasticSearch keyword vs text

[Series] Indexing Data in OpenSearch

[Tutorial] How Can I Connect to ElasticSearch/OpenSearch?

Using an ElasticSearch GUI is the best way to interact with your cluster. The same is true for OpenSearch. This guide will show you what to use and when!

[Tutorial] Running OpenSearch Locally in Docker

Follow the simple steps in this OpenSearch Docker tutorial to run an AWS OpenSearch Docker image locally on your computer. Single and multi-node clusters.

Running ElasticSearch Locally in Windows

Installing ElasticSearch on Windows is much easier than you might think. This guide will show you how, along with extra tips for running your very own cluster.

[Series] Getting Started with ElasticSearch or OpenSearch

How do you choose between OpenSearch vs ElasticSearch? This article compares AWS OpenSearch vs ElasticSearch and has stacks of tutorials to dive deep into both.