The mapper-size plugin provides the
_size metadata field which, when enabled,
indexes the size in bytes of the original
This plugin can be installed using the plugin manager:
sudo bin/elasticsearch-plugin install mapper-size
The plugin must be installed on every node in the cluster, and each node must be restarted after installation.
This plugin can be downloaded for offline install from https://artifacts.elastic.co/downloads/elasticsearch-plugins/mapper-size/mapper-size-7.8.1.zip.
The plugin can be removed with the following command:
sudo bin/elasticsearch-plugin remove mapper-size
The node must be stopped before removing the plugin.