```
public class FielddataRequest
extends CatRequestBase
```
Shows how much heap memory is currently being used by fielddata on every data node in the cluster.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Bytes`	`bytes()`	The unit in which to display byte values
`java.util.List<java.lang.String>`	`fields()`	A comma-separated list of fields to return the fielddata size
`static FielddataRequest`	`of(java.util.function.Function<FielddataRequest.Builder,ObjectBuilder<FielddataRequest>> fn)`

Methods inherited from class org.opensearch.client.opensearch.cat.CatRequestBase
headers, queryParameters, sort

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public static final Endpoint<FielddataRequest,FielddataResponse,ErrorResponse> _ENDPOINT

Endpoint "cat.fielddata".

public static FielddataRequest of(java.util.function.Function<FielddataRequest.Builder,ObjectBuilder<FielddataRequest>> fn)

Class FielddataRequest