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Yandex Data Proc

Method create

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Creates a subcluster in the specified cluster.

HTTP request

POST https://dataproc.api.cloud.yandex.net/dataproc/v1/clusters/{clusterId}/subclusters

Path parameters

Parameter Description
clusterId

Required. ID of the Data Proc cluster to create a subcluster in.

To get a cluster ID, make a list request.

The maximum string length in characters is 50.

Body parameters

{
  "name": "string",
  "role": "string",
  "resources": {
    "resourcePresetId": "string",
    "diskTypeId": "string",
    "diskSize": "string"
  },
  "subnetId": "string",
  "hostsCount": "string",
  "autoscalingConfig": {
    "maxHostsCount": "string",
    "preemptible": true,
    "measurementDuration": "string",
    "warmupDuration": "string",
    "stabilizationDuration": "string",
    "cpuUtilizationTarget": "number",
    "decommissionTimeout": "string"
  }
}
Field Description
name string

Name of the subcluster. The name must be unique within the cluster. The name can't be changed when the subcluster is created.

Value must match the regular expression |[a-z][-a-z0-9]{1,61}[a-z0-9].
role string

Required. Role that is fulfilled by hosts of the subcluster.

  • MASTERNODE: The subcluster fulfills the master role.

    Master can run the following services, depending on the requested components:

    • HDFS: Namenode, Secondary Namenode
    • YARN: ResourceManager, Timeline Server
    • HBase Master
    • Hive: Server, Metastore, HCatalog
    • Spark History Server
    • Zeppelin
    • ZooKeeper

  • DATANODE: The subcluster is a DATANODE in a Data Proc cluster.

    DATANODE can run the following services, depending on the requested components:

    • HDFS DataNode
    • YARN NodeManager
    • HBase RegionServer
    • Spark libraries

  • COMPUTENODE: The subcluster is a COMPUTENODE in a Data Proc cluster.

    COMPUTENODE can run the following services, depending on the requested components:

    • YARN NodeManager
    • Spark libraries
resources object

Required. Resources allocated for each host in the subcluster.
resources.
resourcePresetId		 string

ID of the resource preset for computational resources available to a host (CPU, memory etc.). All available presets are listed in the documentation.
resources.
diskTypeId		 string

Type of the storage environment for the host. Possible values:

  • network-hdd - network HDD drive,
  • network-ssd - network SSD drive.
resources.
diskSize		 string (int64)

Volume of the storage available to a host, in bytes.
subnetId string

Required. ID of the VPC subnet used for hosts in the subcluster.

The maximum string length in characters is 50.
hostsCount string (int64)

Required. Number of hosts in the subcluster.

The minimum value is 1.
autoscalingConfig object

Configuration for instance group based subclusters
autoscalingConfig.
maxHostsCount		 string (int64)

Upper limit for total instance subcluster count.

Acceptable values are 1 to 100, inclusive.
autoscalingConfig.
preemptible		 boolean (boolean)

Preemptible instances are stopped at least once every 24 hours, and can be stopped at any time if their resources are needed by Compute. For more information, see Preemptible Virtual Machines.
autoscalingConfig.
measurementDuration		 string

Required. Time in seconds allotted for averaging metrics.

Acceptable values are 60 seconds to 600 seconds, inclusive.
autoscalingConfig.
warmupDuration		 string

The warmup time of the instance in seconds. During this time, traffic is sent to the instance, but instance metrics are not collected.

The maximum value is 600 seconds.
autoscalingConfig.
stabilizationDuration		 string

Minimum amount of time in seconds allotted for monitoring before Instance Groups can reduce the number of instances in the group. During this time, the group size doesn't decrease, even if the new metric values indicate that it should.

Acceptable values are 60 seconds to 1800 seconds, inclusive.
autoscalingConfig.
cpuUtilizationTarget		 number (double)

Defines an autoscaling rule based on the average CPU utilization of the instance group.

Acceptable values are 10 to 100, inclusive.
autoscalingConfig.
decommissionTimeout		 string (int64)

Timeout to gracefully decommission nodes during downscaling. In seconds. Default value: 120

Acceptable values are 0 to 86400, inclusive.

Response

HTTP Code: 200 - OK

{
  "id": "string",
  "description": "string",
  "createdAt": "string",
  "createdBy": "string",
  "modifiedAt": "string",
  "done": true,
  "metadata": "object",

  //  includes only one of the fields `error`, `response`
  "error": {
    "code": "integer",
    "message": "string",
    "details": [
      "object"
    ]
  },
  "response": "object",
  // end of the list of possible fields

}

An Operation resource. For more information, see Operation.

Field Description
id string

ID of the operation.
description string

Description of the operation. 0-256 characters long.
createdAt string (date-time)

Creation timestamp.

String in RFC3339 text format.
createdBy string

ID of the user or service account who initiated the operation.
modifiedAt string (date-time)

The time when the Operation resource was last modified.

String in RFC3339 text format.
done boolean (boolean)

If the value is false, it means the operation is still in progress. If true, the operation is completed, and either error or response is available.
metadata object

Service-specific metadata associated with the operation. It typically contains the ID of the target resource that the operation is performed on. Any method that returns a long-running operation should document the metadata type, if any.
error object
The error result of the operation in case of failure or cancellation.
includes only one of the fields error, response
error.
code		 integer (int32)

Error code. An enum value of google.rpc.Code.
error.
message		 string

An error message.
error.
details[]		 object

A list of messages that carry the error details.
response object
includes only one of the fields error, response

The normal response of the operation in case of success. If the original method returns no data on success, such as Delete, the response is google.protobuf.Empty. If the original method is the standard Create/Update, the response should be the target resource of the operation. Any method that returns a long-running operation should document the response type, if any.
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