Batch v1 API - Class TaskGroup (1.0.0)

public sealed class TaskGroup : IMessage<TaskGroup>, IEquatable<TaskGroup>, IDeepCloneable<TaskGroup>, IBufferMessage, IMessage

Reference documentation and code samples for the Batch v1 API class TaskGroup.

A TaskGroup contains one or multiple Tasks that share the same Runnable but with different runtime parameters.

Inheritance

Object > TaskGroup

Namespace

Google.Cloud.Batch.V1

Assembly

Google.Cloud.Batch.V1.dll

Constructors

TaskGroup()

public TaskGroup()

TaskGroup(TaskGroup)

public TaskGroup(TaskGroup other)
Parameter
NameDescription
otherTaskGroup

Properties

Name

public string Name { get; set; }

Output only. TaskGroup name. The system generates this field based on parent Job name. For example: "projects/123456/locations/us-west1/jobs/job01/taskGroups/group01".

Property Value
TypeDescription
String

Parallelism

public long Parallelism { get; set; }

Max number of tasks that can run in parallel. Default to min(task_count, 1000).

Property Value
TypeDescription
Int64

PermissiveSsh

public bool PermissiveSsh { get; set; }

When true, Batch will configure SSH to allow passwordless login between VMs running the Batch tasks in the same TaskGroup.

Property Value
TypeDescription
Boolean

RequireHostsFile

public bool RequireHostsFile { get; set; }

When true, Batch will populate a file with a list of all VMs assigned to the TaskGroup and set the BATCH_HOSTS_FILE environment variable to the path of that file. Defaults to false.

Property Value
TypeDescription
Boolean

TaskCount

public long TaskCount { get; set; }

Number of Tasks in the TaskGroup. default is 1

Property Value
TypeDescription
Int64

TaskCountPerNode

public long TaskCountPerNode { get; set; }

Max number of tasks that can be run on a VM at the same time. If not specified, the system will decide a value based on available compute resources on a VM and task requirements.

Property Value
TypeDescription
Int64

TaskEnvironments

public RepeatedField<Environment> TaskEnvironments { get; }

An array of environment variable mappings, which are passed to Tasks with matching indices. If task_environments is used then task_count should not be specified in the request (and will be ignored). Task count will be the length of task_environments.

Tasks get a BATCH_TASK_INDEX and BATCH_TASK_COUNT environment variable, in addition to any environment variables set in task_environments, specifying the number of Tasks in the Task's parent TaskGroup, and the specific Task's index in the TaskGroup (0 through BATCH_TASK_COUNT - 1).

task_environments supports up to 200 entries.

Property Value
TypeDescription
RepeatedField<Environment>

TaskGroupName

public TaskGroupName TaskGroupName { get; set; }

TaskGroupName-typed view over the Name resource name property.

Property Value
TypeDescription
TaskGroupName

TaskSpec

public TaskSpec TaskSpec { get; set; }

Required. Tasks in the group share the same task spec.

Property Value
TypeDescription
TaskSpec