ambari/ambari-web/app/assets/data/alerts/alert_instances_history.json

{
  "href" : "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/alert_history?(AlertHistory/definition_name=datanode_storage)&(AlertHistory/timestamp%3E=1414972800)",
  "items" : [
    {
      "href" : "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/alert_history/23",
      "AlertHistory" : {
        "cluster_name" : "c",
        "definition_name" : "datanode_storage",
        "host_name" : "c6403.ambari.apache.org",
        "id" : 23,
        "service_name" : "HDFS",
        "timestamp" : 1417190593254
      }
    },
    {
      "href" : "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/alert_history/35",
      "AlertHistory" : {
        "cluster_name" : "c",
        "definition_name" : "datanode_storage",
        "host_name" : "c6403.ambari.apache.org",
        "id" : 35,
        "service_name" : "HDFS",
        "timestamp" : 1417190953163
      }
    },
    {
      "href" : "http://c6401.ambari.apache.org:8080/api/v1/clusters/c/alert_history/79",
      "AlertHistory" : {
        "cluster_name" : "c",
        "definition_name" : "datanode_storage",
        "host_name" : "c6403.ambari.apache.org",
        "id" : 79,
        "service_name" : "HDFS",
        "timestamp" : 1417434160990
      }
    }
  ]
}