CAT fielddata

Introduced 1.0

The CAT fielddata operation lists the memory size used by each field per node.

Example

  1. GET _cat/fielddata?v

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To limit the information to a specific field, add the field name after your query:

  1. GET _cat/fielddata/<field_name>?v

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If you want to get information for more than one field, separate the field names with commas:

  1. GET _cat/fielddata/field_name_1,field_name_2,field_name_3

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Path and HTTP methods

  1. GET _cat/fielddata?v
  2. GET _cat/fielddata/<field_name>?v

URL parameters

All CAT fielddata URL parameters are optional.

In addition to the common URL parameters, you can specify the following parameter:

ParameterTypeDescription
bytesByte sizeSpecify the units for byte size. For example, 7kb or 6gb. For more information, see Supported units.

Response

The following response shows the memory size for all fields as 284 bytes:

  1. id                     host       ip         node       field size
  2. 1vo54NuxSxOrbPEYdkSF0w 172.18.0.4 172.18.0.4 odfe-node1 _id   284b
  3. ZaIkkUd4TEiAihqJGkp5CA 172.18.0.3 172.18.0.3 odfe-node2 _id   284b