Modifying Cluster Parameters

This API is used to modify the parameter settings of a cluster.

POST /v1.0/{project_id}/clusters/{cluster_id}/ymls/update

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID and name, see Obtaining a Project ID and Name.
cluster_id	Yes	String	ID of the cluster whose parameter settings you want to be modify.

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
edit	Yes	UpdateYmlsReqEdit object	Configuration file information.

**Table 3** UpdateYmlsReqEdit
Parameter	Mandatory	Type	Description
modify	Yes	UpdateYmlsReqEditModify object	Operations on the configuration file. modify: Modify parameter settings. delete: Delete parameter settings. reset: Reset parameter settings.

**Table 4** UpdateYmlsReqEditModify
Parameter	Mandatory	Type	Description
elasticsearch.yml	Yes	Object	Parameter configuration list. The value is the JSON data you want to modify.

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
acknowledged	Boolean	Whether the modification is successful. true: The modification succeeded. false: The modification failed.
externalMessage	String	Error message. If acknowledged was set to true, null is returned for this field.
httpErrorResponse	String	HTTP error information. The default value is null.

{
  "edit" : {
    "modify" : {
      "elasticsearch.yml" : {
        "thread_pool.force_merge.size" : 1
      }
    }
  }
}

Status code: 200

Request succeeded.

{
  "acknowledged" : true,
  "externalMessage" : null,
  "httpErrorResponse" : null
}

Status Code	Description
200	Request succeeded.
400	Invalid request. Modify the request before retry.
409	The request could not be completed due to a conflict with the current state of the resource. The resource that the client attempts to create already exists, or the update request fails to be processed because of a conflict.
412	The server did not meet one of the preconditions contained in the request.