Get categories API

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Retrieves anomaly detection job results for one or more categories.

Request

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GET _ml/anomaly_detectors/<job_id>/results/categories

GET _ml/anomaly_detectors/<job_id>/results/categories/<category_id>

Prerequisites

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  • You must have monitor_ml, monitor, manage_ml, or manage cluster privileges to use this API. You also need read index privilege on the index that stores the results. The machine_learning_admin and machine_learning_user roles provide these privileges. For more information, see Security privileges and Built-in roles.

Description

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For more information about categories, see Categorizing Log Messages.

Path parameters

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<job_id>
(Required, string) Identifier for the anomaly detection job.
<category_id>
(Optional, long) Identifier for the category. If you do not specify this parameter, the API returns information about all categories in the anomaly detection job.

Request body

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page
from
(integer) Skips the specified number of categories.
size
(integer) Specifies the maximum number of categories to obtain.

Response body

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The API returns the following information:

categories
(array) An array of category objects. For more information, see Categories.

Examples

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The following example gets information about one category for the esxi_log job:

GET _ml/anomaly_detectors/esxi_log/results/categories
{
  "page":{
    "size": 1
  }
}

In this example, the API returns the following information:

{
  "count": 11,
  "categories": [
    {
      "job_id" : "esxi_log",
      "category_id" : 1,
      "terms" : "Vpxa verbose vpxavpxaInvtVm opID VpxaInvtVmChangeListener Guest DiskInfo Changed",
      "regex" : ".*?Vpxa.+?verbose.+?vpxavpxaInvtVm.+?opID.+?VpxaInvtVmChangeListener.+?Guest.+?DiskInfo.+?Changed.*",
      "max_matching_length": 154,
      "examples" : [
        "Oct 19 17:04:44 esxi1.acme.com Vpxa: [3CB3FB90 verbose 'vpxavpxaInvtVm' opID=WFU-33d82c31] [VpxaInvtVmChangeListener] Guest DiskInfo Changed",
        "Oct 19 17:04:45 esxi2.acme.com Vpxa: [3CA66B90 verbose 'vpxavpxaInvtVm' opID=WFU-33927856] [VpxaInvtVmChangeListener] Guest DiskInfo Changed",
        "Oct 19 17:04:51 esxi1.acme.com Vpxa: [FFDBAB90 verbose 'vpxavpxaInvtVm' opID=WFU-25e0d447] [VpxaInvtVmChangeListener] Guest DiskInfo Changed",
        "Oct 19 17:04:58 esxi2.acme.com Vpxa: [FFDDBB90 verbose 'vpxavpxaInvtVm' opID=WFU-bbff0134] [VpxaInvtVmChangeListener] Guest DiskInfo Changed"
      ],
      "grok_pattern" : ".*?%{SYSLOGTIMESTAMP:timestamp}.+?Vpxa.+?%{BASE16NUM:field}.+?verbose.+?vpxavpxaInvtVm.+?opID.+?VpxaInvtVmChangeListener.+?Guest.+?DiskInfo.+?Changed.*"
    }
  ]
}