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This version of the OpenSearch documentation is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.

Get task

To retrieve information about a model, you can:

Get a task by ID

You can retrieve information about a task using the task_id.

Path and HTTP methods

GET /_plugins/_ml/tasks/<task_id>

Example request

GET /_plugins/_ml/tasks/MsBi1YsB0jLkkocYjD5f

The response includes information about the task.

{
  "model_id" : "l7lamX8BO5w8y8Ra2oty",
  "task_type" : "TRAINING",
  "function_name" : "KMEANS",
  "state" : "COMPLETED",
  "input_type" : "SEARCH_QUERY",
  "worker_node" : "54xOe0w8Qjyze00UuLDfdA",
  "create_time" : 1647545342556,
  "last_update_time" : 1647545342587,
  "is_async" : true
}

Search for a task

Searches tasks based on parameters indicated in the request body.

Path and HTTP methods

GET /_plugins/_ml/tasks/_search

Example request: Search for a task in which function_name is KMEANS

GET /_plugins/_ml/tasks/_search
{
  "query": {
    "bool": {
      "filter": [
        {
          "term": {
            "function_name": "KMEANS"
          }
        }
      ]
    }
  }
}

Example response

{
  "took" : 12,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 0.0,
    "hits" : [
      {
        "_index" : ".plugins-ml-task",
        "_id" : "_wnLJ38BvytMh9aUi-Ia",
        "_version" : 4,
        "_seq_no" : 29,
        "_primary_term" : 4,
        "_score" : 0.0,
        "_source" : {
          "last_update_time" : 1645640125267,
          "create_time" : 1645640125209,
          "is_async" : true,
          "function_name" : "KMEANS",
          "input_type" : "SEARCH_QUERY",
          "worker_node" : "jjqFrlW7QWmni1tRnb_7Dg",
          "state" : "COMPLETED",
          "model_id" : "AAnLJ38BvytMh9aUi-M2",
          "task_type" : "TRAINING"
        }
      },
      {
        "_index" : ".plugins-ml-task",
        "_id" : "wwRRLX8BydmmU1x6I-AI",
        "_version" : 3,
        "_seq_no" : 38,
        "_primary_term" : 7,
        "_score" : 0.0,
        "_source" : {
          "last_update_time" : 1645732766656,
          "create_time" : 1645732766472,
          "is_async" : true,
          "function_name" : "KMEANS",
          "input_type" : "SEARCH_QUERY",
          "worker_node" : "A_IiqoloTDK01uZvCjREaA",
          "state" : "COMPLETED",
          "model_id" : "xARRLX8BydmmU1x6I-CG",
          "task_type" : "TRAINING"
        }
      }
    ]
  }
}
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