gistfile1.json

// クエリ
curl -XPOST "http://localhost:9200/siege/webresp_time/_search?pretty" -d'
 {
     "query" : {
         "match_all": {}
     },
     "facets" : {
         "stat1" : {
             "statistical" : {
                 "field" : "Resp_Time"
             }
         }
     }
 }'

// 結果
{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 3,
    "max_score" : 1.0,
    "hits" : [ {
      "_index" : "siege",
      "_type" : "webresp_time",
      "_id" : "PGWIIRnbQXi93fXKOqIM6g",
      "_score" : 1.0, "_source" : {"date":"2013-11-19 00:54:03","Trans":"9","Elap_Time":"5.97","Data_Trans":"0","Resp_Time":"1.99","Trans_Rate":"1.51","Throughput":"0.00","Concurrent":"2.99","OKAY":"9","Failed":"0","@log_name":"siege.access"}
    }, {
      "_index" : "siege",
      "_type" : "webresp_time",
      "_id" : "IK1NLg0pRteI4rBVzW16bQ",
      "_score" : 1.0, "_source" : {"date":"2013-11-19 06:16:32","Trans":"9","Elap_Time":"5.04","Data_Trans":"0","Resp_Time":"1.60","Trans_Rate":"1.79","Throughput":"0.00","Concurrent":"2.86","OKAY":"9","Failed":"0","@log_name":"siege.access"}
    }, {
      "_index" : "siege",
      "_type" : "webresp_time",
      "_id" : "gRrTr71eQK-40aZLuZ7GMg",
      "_score" : 1.0, "_source" : {"date":"2013-11-19 01:00:00","Trans":"9","Elap_Time":"6.59","Data_Trans":"0","Resp_Time":"2.11","Trans_Rate":"1.37","Throughput":"0.00","Concurrent":"2.88","OKAY":"9","Failed":"0","@log_name":"siege.access"}
    } ]
  },
  "facets" : {
    "stat1" : {
      "_type" : "statistical",
      "count" : 3,
      "total" : 5.699999999999999,
      "min" : 1.6,
      "max" : 2.11,
      "mean" : 1.8999999999999997,
      "sum_of_squares" : 10.9722,
      "variance" : 0.04740000000000085,
      "std_deviation" : 0.21771541057077437
    }
  }
}