DescribeModifyParameterLog - PolarDB - Alibaba Cloud Documentation Center

Debugging

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Request parameters


Parameter	Type	Required	Example	Description
Action	String	Yes	DescribeModifyParameterLog	The operation that you want to perform. Set the value to DescribeModifyParameterLog.
RegionId	String	Yes	cn-hangzhou	The region ID of the instance.
DBInstanceId	String	Yes	pxc-uf6f012812v3a****	The ID of the instance.
ParamLevel	String	No	compute	The parameter level. Valid values: compute: the computing layer storage: the storage layer
StartTime	String	Yes	2021-11-03T16:00Z	The beginning of the time range to query.
EndTime	String	Yes	2021-11-04T15:59	The end of the time range to query.
PageSize	String	No	20	The number of entries to return on each page.
PageNumber	String	No	1	The number of the page to return.

Response parameters


Parameter	Type	Example	Description
RequestId	String	90075C5C-55B6-52A7-B821-DBD59C7CAF77	The ID of the request.
PageNumber	Integer	1	The page number of the returned page.
PageSize	Integer	20	The number of entries returned per page.
ChangeLogs	Array of ChangeLog
OldParameterValue	String	50	The parameter value before the change.
ParameterName	String	CONN_POOL_IDLE_TIMEOUT	The name of the parameter.
Synced	Integer	1	Indicates whether the change is synchronized to nodes.
NewParameterValue	String	30	The new value of the parameter.
ChangeTime	String	2021-11-04T15:45	The time when the value was changed.

Examples

Sample requests

http(s)://[Endpoint]/?Action=DescribeModifyParameterLog
&RegionId=cn-hangzhou
&DBInstanceId=pxc-uf6f012812v3a2z77
&ParamLevel=compute
&StartTime=2021-11-03T16:00Z
&EndTime=2021-11-04T15:59
&PageSize=20
&PageNumber=1
&<Common request parameters>

Sample success responses

XML format

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

<DescribeModifyParameterLogResponse>
    <RequestId>90075C5C-55B6-52A7-B821-DBD59C7CAF77</RequestId>
    <PageNumber>1</PageNumber>
    <PageSize>20</PageSize>
    <ChangeLogs>
        <OldParameterValue>50</OldParameterValue>
        <ParameterName>CONN_POOL_IDLE_TIMEOUT</ParameterName>
        <Synced>1</Synced>
        <NewParameterValue>30</NewParameterValue>
        <ChangeTime>2021-11-04T15:45</ChangeTime>
    </ChangeLogs>
</DescribeModifyParameterLogResponse>

JSON format

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

{
  "RequestId" : "90075C5C-55B6-52A7-B821-DBD59C7CAF77",
  "PageNumber" : 1,
  "PageSize" : 20,
  "ChangeLogs" : [ {
    "OldParameterValue" : "50",
    "ParameterName" : "CONN_POOL_IDLE_TIMEOUT",
    "Synced" : 1,
    "NewParameterValue" : "30",
    "ChangeTime" : "2021-11-04T15:45"
  } ]
}

Error codes


HttpCode	Error code	Error message	Description
404	InvalidDBInstance.NotFound	The specified DB instance does not exist.	The error message returned because the specified PolarDB-X instance does not exist.

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