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cat task management API

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cat task management API

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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. For feature status, see #51628.

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

Request

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GET /_cat/tasks

Prerequisites

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If the Elasticsearch security features are enabled, you must have the monitor or manage cluster privilege to use this API.

Description

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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 task management API.

Query parameters

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detailed: (Optional, Boolean) If true, the response includes detailed information about shard recoveries. Defaults to false.
format: (Optional, string) Short version of the HTTP accept header. Valid values include JSON, YAML, etc.
h: (Optional, string) Comma-separated list of column names to display.
help: (Optional, Boolean) If true, the response includes help information. Defaults to false.
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.
s: (Optional, string) Comma-separated list of column names or column aliases used to sort the response.
time: (Optional, time units) Unit used to display time values.
v: (Optional, Boolean) If true, the response includes column headings. Defaults to false.

Response codes

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404 (Missing resources): If <task_id> is specified but not found, this code indicates that there are no resources that match the request.

Examples

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GET _cat/tasks?v=true

The API returns the following response:

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

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