Elasticsearch 8.x Cookbook by Alberto Paro

Author:Alberto Paro
Language: eng
Format: epub
Publisher: Packt Publishing Pvt Ltd
Published: 2022-04-29T00:00:00+00:00

See also

Refer to the Executing a search recipe in Chapter 4, Exploring Search Capabilities, for common parameters that can be used during a search.

Executing a matrix stats aggregation

Elasticsearch 5.x or above provided a special module called aggs-matrix-stats that automatically computes advanced statistics on several fields.

Getting ready

You need an up and running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 1, Getting Started.

To execute these commands, any HTTP client can be used, such as cURL (https://curl.haxx.se/), Postman (https://www.getpostman.com/), or similar. Using Kibana Console is recommended, as it provides code completion and better character escaping for Elasticsearch.

To correctly execute the following commands, you will need an index populated with the ch07/populate_aggregation.sh commands available in the online code.

The index used in this recipe is index-agg.

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