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E-MapReduce:NodeAttributes

Last Updated:May 28, 2026

Parameter

Type

Description

Example

object

VpcId

string

The ID of the VPC.

vpc-bp1tgey2p0ytxmdo5****

ZoneId

string

The ID of the zone.

cn-beijing-h

SecurityGroupId

string

The ID of the security group. EMR supports only basic security groups and does not support enterprise security groups.

sg-hp3abbae8lb6lmb1****

RamRole

string

The RAM role that is attached to the ECS instances to access other cloud resources. Default value: AliyunECSInstanceForEMRRole.

AliyunECSInstanceForEMRRole

KeyPairName

string

The SSH key pair for logging on to the ECS instances.

emr_login

MasterRootPassword

string

The password of the root user for the master node. This parameter is left empty in the response of an API call.

Adxefswfd****

SystemDiskEncrypted

boolean

Specifies whether to enable disk encryption for the system disk. Valid values:

  • true: Enables encryption.

  • false (default): Disables encryption.

false

SystemDiskKMSKeyId

string

The ID of the KMS key.

0e478b7a-4262-4802-b8cb-00d3fb40****

DataDiskEncrypted

boolean

Specifies whether to enable encryption for the data disk. For more information, see Encrypt a data disk. Valid values:

  • true: Enables encryption.

  • false (default): Disables encryption.

false

DataDiskKMSKeyId

string

The ID of the KMS key for the data disk.

0e478b7a-4262-4802-b8cb-00d3fb40****

DiskEncrypted

boolean

Specifies whether to enable disk encryption. Valid values:

  • true: Enables encryption.

  • false (default): Disables encryption.

false

DiskKMSKeyId

string

The ID of the KMS encryption key.

0e478b7a-4262-4802-b8cb-00d3fb40****