UpdateJvmConfiguration - Enterprise Distributed Application Service

Configures the Java virtual machine (JVM) parameters for an application or an instance group where the application is deployed.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
edas:ConfigApplication	Write	Application acs:edas:{#regionId}:{#accountId}:namespace/{#NameSpaceId}/application/{#AppId}	none	none

Request syntax

POST /pop/v5/app/app_jvm_config

Request parameters

Parameter	Type	Required	Description	Example
AppId	string	Yes	The ID of the application.	c627c157-560d-*************
GroupId	string	No	The ID of the instance group where the application is deployed. You can call the ListDeployGroup operation to query the group ID. For more information, see ListDeployGroup . Note To configure the JVM parameters for an instance group, set this parameter to a specific ID. To configure the JVM parameters for an application, leave this parameter empty.	0afc726e-077e-4357-98b2-db9f7145****
Options	string	No	The custom JVM parameters. Note If this parameter is not specified in the group configuration, the value specified in the application configuration is used. If this parameter is not specified in the application configuration, the default value is used.	-Dproperty=value
MinHeapSize	integer	No	The initial size of the heap memory. Unit: MB. Note If this parameter is not specified in the group configuration, the value specified in the application configuration is used. If this parameter is not specified in the application configuration, the default value is used.	500
MaxPermSize	integer	No	The size of the permanent generation heap memory. Unit: MB. Note If this parameter is not specified in the group configuration, the value specified in the application configuration is used. If this parameter is not specified in the application configuration, the default value is used.	1000
MaxHeapSize	integer	No	The maximum size of the heap memory. Unit: MB. Note If this parameter is not specified in the group configuration, the value specified in the application configuration is used. If this parameter is not specified in the application configuration, the default value is used.	500

Response parameters

Parameter	Type	Description	Example
	object
Code	integer	The HTTP status code that is returned.	200
Message	string	The additional information that is returned.	success
RequestId	string	The ID of the request.	D16979DC-4D42-********************
JvmConfiguration	object	The settings of the JVM parameters.
MaxPermSize	integer	The size of the permanent generation heap memory. Unit: MB.	1000
Options	string	The optional parameters.	”“
MaxHeapSize	integer	The maximum size of the heap memory. Unit: MB.	500
MinHeapSize	integer	The initial size of the heap memory. Unit: MB.	500

Examples

Sample success responses

JSONformat

{
  "Code": 200,
  "Message": "success",
  "RequestId": "D16979DC-4D42-********************",
  "JvmConfiguration": {
    "MaxPermSize": 1000,
    "Options": "”“",
    "MaxHeapSize": 500,
    "MinHeapSize": 500
  }
}

Error codes

For a list of error codes, visit the Service error codes.