title: "job_tasks"
...
+{% comment %}
+Copyright (C) The Arvados Authors. All rights reserved.
+SPDX-License-Identifier: CC-BY-SA-3.0
+{% endcomment %}
+p=. *Legacy. This endpoint is read-only and disabled by default in new installations.*
-Required arguments are displayed in %{background:#ccffcc}green%.
+API endpoint base: @https://{{ site.arvados_api_host }}/arvados/v1/job_tasks@
+Object type: @ot0gb@
-h2. create
+Example UUID: @zzzzz-ot0gb-0123456789abcde@
-Create a new JobTask.
+h2. Resource
-Arguments:
+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":{{site.baseurl}}/api/resources.html:
table(table table-bordered table-condensed).
-|_. Argument |_. Type |_. Description |_. Location |_. Example |
-|job_task|object||query||
+|_. 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.||
-h2. delete
+The following attributes should not be updated by anyone other than the job manager:
-Delete an existing JobTask.
+table(table table-bordered table-condensed).
+|_. Attribute|_. Type|_. Description|_. Notes|
+|qsequence|integer|Order of arrival|0-based|
+|job_uuid|string|||
+|created_by_job_task_uuid|string|||
+
+h2. Methods
+
+See "Common resource methods":{{site.baseurl}}/api/methods.html for more information about @create@, @delete@, @get@, @list@, and @update@.
+
+Required arguments are displayed in %{background:#ccffcc}green%.
+
+h3. create
+
+Create a new JobTask.
Arguments:
table(table table-bordered table-condensed).
|_. Argument |_. Type |_. Description |_. Location |_. Example |
-{background:#ccffcc}.|uuid|string|The UUID of the JobTask in question.|path||
+|job_task|object||query||
-h2. destroy
+h3. delete
-destroy job_tasks
+Delete an existing JobTask.
Arguments:
table(table table-bordered table-condensed).
|_. Argument |_. Type |_. Description |_. Location |_. Example |
-{background:#ccffcc}.|uuid|string||path||
+{background:#ccffcc}.|uuid|string|The UUID of the JobTask in question.|path||
-h2. get
+h3. get
Gets a JobTask's metadata by UUID.
|_. Argument |_. Type |_. Description |_. Location |_. Example |
{background:#ccffcc}.|uuid|string|The UUID of the JobTask in question.|path||
-h2. list
+h3. list
List job_tasks.
-Arguments:
-
-table(table table-bordered table-condensed).
-|_. Argument |_. Type |_. Description |_. Location |_. Example |
-|limit|integer (default 100)|Maximum number of job_tasks to return.|query||
-|order|string|Order in which to return matching job_tasks.|query||
-|filters|array|Conditions for filtering job_tasks.|query||
+See "common resource list method.":{{site.baseurl}}/api/methods.html#index
-h2. update
+h3. update
Update attributes of an existing JobTask.