Query the modification history of a service configuration - API Reference| Alibaba Cloud Documentation Center

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. You can use OpenAPI Explorer to search for API operations, call API operations, and dynamically generate SDK sample code.

Request parameters


Parameter	Type	Required	Example	Description
Action	String	Yes	ListClusterServiceConfigHistory	The operation that you want to perform. This parameter is required for API requests that you create by piecing together HTTP or HTTPS URLs. Set the value to ListClusterServiceConfigHistory.
ClusterId	String	Yes	C-F32FB31D8295****	The ID of the cluster. You can call ListClusters You can call this operation to view the ID of a cluster.
RegionId	String	Yes	cn-hangzhou	The region ID of the instance. You can call DescribeRegions To view the latest list of Alibaba Cloud regions.
ServiceName	String	No	TEZ	The name of the service. You can call ListClusterService View data on the Member Management page.
ConfigVersion	String	No	0	The version of the configuration file.
HostGroupId	String	No	G-A5EA210E15FC****	The ID of the host group. You can call ListClusterHostGroup View the machine group ID.
HostInstanceId	String	No	i-bp146tnrkq4tcso2****	The ID of the host.
ConfigFileName	String	No	N/A	A reserved parameter.
ConfigItemKey	String	No	N/A	A reserved parameter.
Author	String	No	111	The user who modified the configuration.
Comment	String	No	This is	The description of the cluster.
PageNumber	Integer	No	1	The number of the page to return.
PageSize	Integer	No	100	The number of entries to return on each page.

Response parameters


Parameter	Type	Example	Description
ConfigHistoryList	Array of ConfigHistory		The configuration change histories of the specified service.
ConfigHistory
Applied	Boolean	true	Indicates whether the configuration takes effect. Valid values: true: The setting takes effect. false: does not take effect.
Author	String	1111	The user who modified the configuration data.
Comment	String	modifyConfig	The comment about the modifications.
ConfigFileName	String	tez-site	The name of the configuration file.
ConfigItemName	String	tez.am.resource.memory.mb	The name of the configuration parameter.
ConfigVersion	String	1543320502944	The version of the configuration file. It is represented by the modification timestamp of the configuration file.
CreateTime	Long	1543320503000	The time when the user modified the configuration data.
HostGroupId	String	G-A5EA210E15FC****	The ID of the host group.
HostGroupName	String	Master instance group	The name of host group N.
HostInstanceId	String	i-bp146tnrkq4tcso2****	The instance ID of the host. This is typically the ID of an ECS instance.
HostName	String	emr-header-1	The hostname of the server.
NewValue	String	1280	The parameter value after modification.
OldValue	String	640	The parameter value before modification.
ServiceName	String	TEZ	The name of the service.
PageNumber	Integer	1	The page number of the returned page.
PageSize	Integer	100	The number of entries returned on each page.
RequestId	String	DF202AC2-5D5D-4288-B608-B7B1595B5C7C	The ID of the request.
TotalCount	Integer	30	The total number of entries returned.

Examples

Sample requests

http(s)://[Endpoint]/?Action=ListClusterServiceConfigHistory
&ClusterId=C-F32FB31D8295****
&RegionId=cn-hangzhou
&<common request parameters>

Sample responses

XML format

<TotalCount>1</TotalCount>
<ConfigHistoryList>
    <ConfigHistory>
        <ConfigFileName>tez-site</ConfigFileName>
        <Comment>xxx</Comment>
        <ServiceName>TEZ</ServiceName>
        <OldValue>640</OldValue>
        <ConfigVersion>1543320502944</ConfigVersion>
        <CreateTime>1543320503000</CreateTime>
        <Author>1250460021754461</Author>
        <NewValue>1280</NewValue>
        <Applied>true</Applied>
        <ConfigItemName>tez.am.resource.memory.mb</ConfigItemName>
    </ConfigHistory>
</ConfigHistoryList>
<PageSize>500</PageSize>
<RequestId>8CC97161-4A0C-4EDB-9799-F0A51C40B070</RequestId>
<PageNumber>1</PageNumber>

JSON Syntax

{
    "TotalCount":1,
    "ConfigHistoryList":
    {
        "ConfigHistory":
        [
            {
                "ConfigFileName":"tez-site",
                "Comment":"xxx",
                "ServiceName":"TEZ",
                "OldValue":"640",
                "ConfigVersion":"1543320502944",
                "CreateTime":1543320503000,
                "Author":"1250460021754461",
                "NewValue":"1280",
                "Applied":true,
                "ConfigItemName":"tez.am.resource.memory.mb"
                }
                ]
                },
                "PageSize":500,
                "RequestId":"8CC97161-4A0C-4EDB-9799-F0A51C40B070",
                "PageNumber":1
                }