The mapper-size plugin provides the
_size meta field which, when enabled,
indexes the size in bytes of the original
This plugin can be installed using the plugin manager:
sudo bin/plugin install mapper-size
The plugin must be installed on every node in the cluster, and each node must be restarted after installation.
The plugin can be removed with the following command:
sudo bin/plugin remove mapper-size
The node must be stopped before removing the plugin.