Updated on 2025-09-23 GMT+08:00

Querying Instance Parameter Settings

Function

This API is used to query instance parameter settings.

Constraints

This API supports the following instance types:

GeminiDB Cassandra
GeminiDB Influx

URI

GET /v3/{project_id}/instances/{instance_id}/configurations

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

Request Parameters

**Table 2** Request header parameter
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token.

Response Parameters

Status code: 200

**Table 3** Response body parameter
Parameter	Type	Description
datastore_version_name	String	Database version name.
datastore_name	String	Database name.
created	String	Creation time in the yyyy-MM-ddTHH:mm:ssZ format. T is the separator between calendar and hourly notation of time. Z indicates the time zone offset.
updated	String	Update time in the yyyy-MM-ddTHH:mm:ssZ format. T is the separator between calendar and hourly notation of time. Z indicates the time zone offset.
id	String	Parameter template ID.
mode	String	Instance type. The value can be: Cluster, indicating that the instance is of the GeminiDB Cassandra cluster type. Cluster, indicating that the instance is of the GeminiDB Influx cluster type.
configuration_parameters	Array of ConfigurationParameterResult objects	Parameters defined by users based on a default parameter template.

**Table 4** ConfigurationParameterResult
Parameter	Type	Description
name	String	Parameter name.
value	String	Parameter value.
restart_required	Boolean	Whether the instance needs to be restarted. The value can be: false, indicating that the instance does not need to be restarted. true, indicating that the instance needs to be restarted.
readonly	Boolean	Whether the parameter is read-only. The value can be: false, indicating that the parameter is not read-only. true, indicating that the parameter is read-only.
value_range	String	Value range. For example, the value of the Integer type ranges from 0 to 1, and the value of the Boolean type is true or false.
type	String	Parameter type. The value can be string, integer, boolean, list, or float.
description	String	Parameter description.

Example Request

URI example

GET https://gaussdb-nosql.eu-west-101.myhuaweicloud.eu/v3/375d8d8fad1f43039e23d3b6c0f60a19/instances/9136fd2a9fcd405ea4674276ce36dae8in02/configurations

Example Response

Status code: 200

Success

{
  "datastore_version_name" : "3.11",
  "datastore_name" : "cassandra",
  "created" : "2020-03-21 11:40:44",
  "updated" : "2020-03-21 11:40:44",
  "id": "9ad6bc82146e4043a50c963ab3bf09adpr06",
  "mode": "Cluster",
  "configuration_parameters" : [ {
    "name" : "concurrent_reads",
    "value" : "64",
    "restart_required" : true,
    "readonly" : true,
    "value_range" : "4-512",
    "type" : "integer",
    "description" : "Number of concurrent read threads."
  } ]
}

Status Codes

See Status Codes.

Error Codes

See Error Codes.

Parent topic: Parameter Configuration