DescribeParameterModificationHistory -

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters


Parameter	Type	Required	Example	Description
Action	String	Yes	DescribeParameterModificationHistory	The operation that you want to perform. Set the value to DescribeParameterModificationHistory.
RegionId	String	No	cn-hangzhou	The region ID the instance. You can call the DescribeDBInstanceAttribute operation to query the region ID of the instance.
DBInstanceId	String	Yes	dds-bp2235****	The ID of the instance. Note If you set this parameter to the ID of a sharded cluster instance, you must also specify the NodeId parameter.
NodeId	String	No	d-bp1158****	The ID of the mongos node or shard node whose parameter modification records you want to query in the instance. If the instance is a sharded cluster instance, you must specify this parameter. Note This parameter is valid only when DBInstanceId is set to the ID of a sharded cluster instance.
StartTime	String	Yes	2019-01-01T12:10:10Z	The beginning of the time range to query. The time follows the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time is displayed in UTC.
EndTime	String	Yes	2019-01-02T12:10:10Z	The end of the time range to query. The end time must be later than the start time. Specify the time in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.
CharacterType	String	No	mongos	The role of the instance. Valid values: db: shard cs: Configserver mongos: mongos logic: sharded cluster instance

Response parameters


Parameter	Type	Example	Description
RequestId	String	B1BB6E0E-B4EF-4145-81FA-A07719860248	The ID of the request.
HistoricalParameters	Array of HistoricalParameter		Details about the parameter modification records.
HistoricalParameter
ParameterName	String	operationProfiling.slowOpThresholdMs	The name of the modified parameter.
OldParameterValue	String	100	The parameter value before modification.
NewParameterValue	String	200	The parameter value after modification.
ModifyTime	String	2019-03-12T07:58:24Z	The time when the parameter was modified. The time follows the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time is displayed in UTC.

Examples

Sample requests

http(s)://mongodb.aliyuncs.com/?Action=DescribeParameterModificationHistory
&DBInstanceId=dds-bp2235****
&NodeId=d-bp1158****
&StartTime=2019-01-01T12:10:10Z
&EndTime=2019-01-02T12:10:10Z
&CharacterType=mongos
&Common request parameters

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<DescribeParameterModificationHistoryResponse>
    <RequestId>B1BB6E0E-B4EF-4145-81FA-A07719860248</RequestId>
    <HistoricalParameters>
        <ParameterName>operationProfiling.slowOpThresholdMs</ParameterName>
        <OldParameterValue>100</OldParameterValue>
        <NewParameterValue>200</NewParameterValue>
        <ModifyTime>2019-03-12T07:58:24Z</ModifyTime>
    </HistoricalParameters>
</DescribeParameterModificationHistoryResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "B1BB6E0E-B4EF-4145-81FA-A07719860248",
  "HistoricalParameters" : [ {
    "ParameterName" : "operationProfiling.slowOpThresholdMs",
    "OldParameterValue" : "100",
    "NewParameterValue" : "200",
    "ModifyTime" : "2019-03-12T07:58:24Z"
  } ]
}

Error codes

For a list of error codes, visit the API Error Center.