job_tasks

Legacy. This endpoint is read-only and disabled by default in new installations.

API endpoint base: https://pirca.arvadosapi.com/arvados/v1/job_tasks

Object type: ot0gb

Example UUID: zzzzz-ot0gb-0123456789abcde

Resource

Deprecated.

A job task is a individually scheduled unit of work executed as part of an overall job.

Each JobTask has, in addition to the Common resource fields:

Attribute	Type	Description	Example
sequence	integer	Execution sequence. A step cannot be run until all steps with lower sequence numbers have completed. Job steps with the same sequence number can be run in any order.
parameters	hash
output	text
progress	float
success	boolean	Is null if the task has neither completed successfully nor failed permanently.

The following attributes should not be updated by anyone other than the job manager:

Attribute	Type	Description	Notes
qsequence	integer	Order of arrival	0-based
job_uuid	string
created_by_job_task_uuid	string

Methods

See Common resource methods for more information about create, delete, get, list, and update.

Required arguments are displayed in green.

create

Create a new JobTask.

Arguments:

Argument	Type	Description	Location	Example
job_task	object		query

delete

Delete an existing JobTask.

Arguments:

Argument	Type	Description	Location	Example
uuid	string	The UUID of the JobTask in question.	path

get

Gets a JobTask’s metadata by UUID.

Arguments:

Argument	Type	Description	Location	Example
uuid	string	The UUID of the JobTask in question.	path

list

List job_tasks.

See common resource list method.

update

Update attributes of an existing JobTask.

Arguments:

Argument	Type	Description	Location	Example
uuid	string	The UUID of the JobTask in question.	path
job_task	object		query

---

Previous: jobs Next: pipeline_instances