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Enterprise Distributed Application Service:UpdateJvmConfiguration

Last Updated:Jan 08, 2024

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.
OperationAccess levelResource typeCondition keyAssociated operation
edas:ConfigApplicationWrite
  • Application
    acs:edas:{#regionId}:{#accountId}:namespace/{#NameSpaceId}/application/{#AppId}
    none
none

Request syntax

POST /pop/v5/app/app_jvm_config

Request parameters

ParameterTypeRequiredDescriptionExample
AppIdstringYes

The ID of the application.

c627c157-560d-*************
GroupIdstringNo

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****
OptionsstringNo

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
MinHeapSizeintegerNo

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
MaxPermSizeintegerNo

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
MaxHeapSizeintegerNo

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

ParameterTypeDescriptionExample
object
Codeinteger

The HTTP status code that is returned.

200
Messagestring

The additional information that is returned.

success
RequestIdstring

The ID of the request.

D16979DC-4D42-********************
JvmConfigurationobject

The settings of the JVM parameters.

MaxPermSizeinteger

The size of the permanent generation heap memory. Unit: MB.

1000
Optionsstring

The optional parameters.

”“
MaxHeapSizeinteger

The maximum size of the heap memory. Unit: MB.

500
MinHeapSizeinteger

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.