Get field data cache information
Get the amount of heap memory currently used by the field data cache on every data node in the cluster.
IMPORTANT: cat APIs are only intended for human consumption using the command line or Kibana console. They are not intended for use by applications. For application consumption, use the nodes stats API.
curl \
-X GET http://api.example.com/_cat/fielddata
[
{
"id": "string",
"host": "string",
"ip": "string",
"node": "string",
"field": "string",
"size": "string"
}
]
id host ip node field size
Nqk-6inXQq-OxUfOUI8jNQ 127.0.0.1 127.0.0.1 Nqk-6in body 544b
id host ip node field size
Nqk-6inXQq-OxUfOUI8jNQ 127.0.0.1 127.0.0.1 Nqk-6in body 544b
Nqk-6inXQq-OxUfOUI8jNQ 127.0.0.1 127.0.0.1 Nqk-6in soul 480b