ElasticSearch之Task management API

命令样例如下：

curl -X GET "https://localhost:9200/_tasks?pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果的样例，如下：

{
  "nodes" : {
    "aKgBu7LgS9a6iPYH8n2JPw" : {
      "name" : "jackie-ubuntu",
      "transport_address" : "127.0.0.1:9300",
      "host" : "127.0.0.1",
      "ip" : "127.0.0.1:9300",
      "roles" : [
        "data",
        "data_cold",
        "data_content",
        "data_frozen",
        "data_hot",
        "data_warm",
        "ingest",
        "master",
        "ml",
        "remote_cluster_client",
        "transform"
      ],
      "attributes" : {
        "ml.allocated_processors" : "4",
        "ml.allocated_processors_double" : "4.0",
        "ml.max_jvm_size" : "2021654528",
        "ml.config_version" : "11.0.0",
        "xpack.installed" : "true",
        "transform.config_version" : "10.0.0",
        "ml.machine_memory" : "4040327168"
      },
      "tasks" : {
        "aKgBu7LgS9a6iPYH8n2JPw:32" : {
          "node" : "aKgBu7LgS9a6iPYH8n2JPw",
          "id" : 32,
          "type" : "persistent",
          "action" : "health-node[c]",
          "start_time_in_millis" : 1700843700401,
          "running_time_in_nanos" : 514966368717794,
          "cancellable" : true,
          "cancelled" : false,
          "parent_task_id" : "cluster:5",
          "headers" : { }
        },
        "aKgBu7LgS9a6iPYH8n2JPw:33" : {
          "node" : "aKgBu7LgS9a6iPYH8n2JPw",
          "id" : 33,
          "type" : "persistent",
          "action" : "geoip-downloader[c]",
          "start_time_in_millis" : 1700843700402,
          "running_time_in_nanos" : 514966367872220,
          "cancellable" : true,
          "cancelled" : false,
          "parent_task_id" : "cluster:6",
          "headers" : { }
        },
        "aKgBu7LgS9a6iPYH8n2JPw:103625" : {
          "node" : "aKgBu7LgS9a6iPYH8n2JPw",
          "id" : 103625,
          "type" : "direct",
          "action" : "cluster:monitor/tasks/lists[n]",
          "start_time_in_millis" : 1701358667224,
          "running_time_in_nanos" : 22818915,
          "cancellable" : true,
          "cancelled" : false,
          "parent_task_id" : "aKgBu7LgS9a6iPYH8n2JPw:103624",
          "headers" : { }
        },
        "aKgBu7LgS9a6iPYH8n2JPw:103624" : {
          "node" : "aKgBu7LgS9a6iPYH8n2JPw",
          "id" : 103624,
          "type" : "transport",
          "action" : "cluster:monitor/tasks/lists",
          "start_time_in_millis" : 1701358667171,
          "running_time_in_nanos" : 76488858,
          "cancellable" : true,
          "cancelled" : false,
          "headers" : { }
        }
      }
    }
  }
}

方法参数
detailed，默认值为false。

• true，包含详细信息。
• false，包含必要的信息。

group_by，默认值为nodes。
可选值，包括：

• nodes，使用节点的标识排序。
• parents，使用父任务的标识分组。
• none，不对返回的结果进行分组。

nodes，节点的标识，获取指定节点的信息。
parent_task_id，父任务的标识，获取指定父任务下所有任务的信息。

相关资料

• Task management API