elasticsearch/docs/reference/cat/tasks.asciidoc

[[cat-tasks]]
=== cat task management API
++++
<titleabbrev>cat task management</titleabbrev>
++++

beta::["The cat task management API is new and should still be considered a beta feature. The API may change in ways that are not backwards compatible.",{es-issue}51628]

[IMPORTANT]
====
cat APIs are only intended for human consumption using the command line or {kib} 
console. They are _not_ intended for use by applications. For application 
consumption, use the <<tasks,task management API>>.
====

Returns information about tasks currently executing in the cluster,
similar to the <<tasks,task management>> API.


[[cat-tasks-api-request]]
==== {api-request-title}

`GET /_cat/tasks`

[[cat-tasks-api-prereqs]]
==== {api-prereq-title}

* If the {es} {security-features} are enabled, you must have the `monitor` or
`manage` <<privileges-list-cluster,cluster privilege>> to use this API.

[[cat-tasks-api-desc]]
==== {api-description-title}

The cat task management API returns information
about tasks currently executing
on one or more nodes in the cluster.
It is a more compact view
of the JSON <<tasks,task management>> API.


[[cat-tasks-api-query-params]]
==== {api-query-parms-title}

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=detailed]

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=http-format]

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=cat-h]

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=help]

`nodes`::
(Optional, string)
Comma-separated list of node IDs or names used to limit the response. Supports
wildcard (`*`) expressions.

`parent_task_id`::
(Optional, string)
Parent task ID used to limit the response.

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=cat-s]

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=time]

include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=cat-v]


[[cat-tasks-api-response-codes]]
==== {api-response-codes-title}

include::{es-repo-dir}/cluster/tasks.asciidoc[tag=tasks-api-404]


[[cat-tasks-api-examples]]
==== {api-examples-title}

[source,console]
----
GET _cat/tasks?v=true
----
// TEST[skip:No tasks to retrieve]

The API returns the following response:

[source,console-result]
----
action                         task_id                    parent_task_id             type      start_time    timestamp running_time ip             node
cluster:monitor/tasks/lists[n] oTUltX4IQMOUUVeiohTt8A:124 oTUltX4IQMOUUVeiohTt8A:123 direct    1458585884904 01:48:24  44.1micros   127.0.0.1:9300 oTUltX4IQMOUUVeiohTt8A
cluster:monitor/tasks/lists    oTUltX4IQMOUUVeiohTt8A:123 -                          transport 1458585884904 01:48:24  186.2micros  127.0.0.1:9300 oTUltX4IQMOUUVeiohTt8A
----
// TESTRESPONSE[skip:No tasks to retrieve]
// TESTRESPONSE[non_json]