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E-MapReduce:UpdateRayCluster

Last Updated:Mar 23, 2026

Updates a Ray cluster.

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RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request syntax

POST /api/v1/workspaces/{workspaceId}/rayCluster/{clusterId} HTTP/1.1

Path Parameters

Parameter

Type

Required

Description

Example

workspaceId

string

No

The workspace ID.

w-d2d82aa09155

clusterId

string

No

The cluster ID.

ray-uiulpgow9xljimm1

Request parameters

Parameter

Type

Required

Description

Example

body

object

No

The request body.

name

string

No

The name of the Ray cluster. The name must be 1 to 64 characters in length.

myRayCluster

displayReleaseVersion

string

No

Ray engine version.

ray-1.0.0 (Ray 2.47.1, Python 3.12)

description

string

No

Description of the cluster.

Ray Cluster for dev.

networkServiceName

string

No

The name of the network service.

vpc

headSpec

object

No

The information about the head node of the Ray cluster.

queueName

string

No

The name of the queue.

root_queue

cpu

string

No

The number of CPU cores.

2

memory

string

No

The memory size. Unit: Gi.

8Gi

enableAutoScaling

boolean

No

Specifies whether to enable automatic scaling.

false

idleTimeoutSeconds

integer

No

The idle timeout in seconds for workers. This parameter is effective only when automatic scaling is enabled.

60

gpuSpec

string

No

ecs.gn6i-c4g1.xlarge

workerSpec

array<object>

No

The information about the worker nodes of the Ray cluster. You can specify up to 50 groups.

object

No

The information for the worker node.

groupName

string

No

The name of the worker group.

WorkerGroup1

workerType

string

No

The type of worker.

CPU

replica

integer

No

The number of workers. The minimum value is 1.

2

queueName

string

No

The name of the queue.

root_queue

cpu

string

No

The number of CPU cores.

2

memory

string

No

The memory size. Unit: Gi.

8Gi

minReplica

integer

No

The minimum number of workers. The minimum value is 1. This value must be less than or equal to maxReplica.

1

maxReplica

integer

No

The maximum number of workers. The minimum value is 1.

10

gpuSpec

string

No

ecs.gn6i-c4g1.xlarge

extraParam

string

No

The extra parameters. This must be in JSON format.

{}

volumeIds

array

No

string

No

vol-1234567890

Response elements

Element

Type

Description

Example

object

Schema of Response

requestId

string

The request ID.

DD6B1B2A-5837-5237-ABE4-FF0C8944

clusterId

string

The cluster ID.

ray-xxxxxxxxxxx

Examples

Success response

JSON format

{
  "requestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944",
  "clusterId": "ray-xxxxxxxxxxx"
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.