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Help Center/ GeminiDB/ API Reference/ APIs v3 (Recommended)/ Parameter Templates/ Viewing Parameter Change History of an Instance

Viewing Parameter Change History of an Instance

Updated on 2025-01-24 GMT+08:00

Function

This API is used to view change history of parameters of an instance.

Constraints

This API supports the following types of instances:

  • GeminiDB Cassandra
  • GeminiDB Mongo
  • GeminiDB Influx

This API can be used to query only the past seven days of parameter changes.

GeminiDB Influx does not allow you to view parameter change history of single-node instances.

URI

GET https://{Endpoint}/v3/{project_id}/instances/{instance_id}/configuration-histories

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Explanation:

Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.

Constraints:

N/A

Values:

N/A

Default value:

N/A

instance_id

Yes

String

Explanation:

Instance ID

Constraints:

N/A

Values:

N/A

Default value:

N/A

Table 2 Query parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Explanation:

Index offset.

If offset is set to N, the resource query starts from the N+1 piece of data. If action is set to filter, offset is 0 by default, indicating that the query starts from the first piece of data.

Constraints:

The value must be a positive number or 0.

Values:

0 or a positive integer

Default value:

0

limit

No

Integer

Explanation:

Maximum records to be queried

Constraints:

N/A

Values:

1 to 100

Default value:

If this parameter is not transferred, the first 100 records are queried by default.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Explanation:

User token

You can obtain the token by calling the IAM API by following Obtaining a User Token Through Password Authentication.

Constraints:

N/A

Values:

N/A

Default value:

N/A

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

histories

Array of ConfigurationHistoryRsp objects

Explanation:

Change history of parameters of an instance.

Table 5 ConfigurationHistoryRsp

Parameter

Type

Description

parameter_name

String

Explanation:

Parameter name

Values:

N/A

old_value

String

Explanation:

Old parameter value

Values:

N/A

new_value

String

Explanation:

New parameter value

Values:

N/A

update_result

String

Explanation:

Update result

Values:

  • SUCCESS
  • FAILED

applied

Boolean

Explanation:

Whether a change is applied

Values:

  • true: A change is applied.
  • false A change is not applied.

updated_at

String

Explanation:

Update time

Values:

Format: yyyy-MM-ddTHH:mm:ssZ

T is the separator between calendar and hourly notation of time. Z indicates the time zone offset.

applied_at

String

Explanation:

Time when a change is applied

Values:

Format: yyyy-MM-ddTHH:mm:ssZ

T is the separator between calendar and hourly notation of time. Z indicates the time zone offset.

Example Request

  • URI example
    GET https://gaussdb-nosql.ap-southeast-1.myhuaweicloud.com/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/c4e095105bc64797bc3be633ae7201eein10/configuration-histories?offset=0&limit=10  

Example Response

Status code: 200

Success

{
  "histories" : [ {
    "parameter_name" : "mongos.connPoolMaxShardedConnsPerHost",
    "old_value" : "600",
    "new_value" : "500",
    "update_result" : "FAILED",
    "applied" : true,
    "updated_at" : "2022-09-20T11:17:04+0000",
    "applied_at" : "2022-09-20T11:17:04+0000"
  } ]
}

Status Codes

For details, see Status Codes.

Error Codes

For details, see Error Codes.

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