Query on the whole index

{
  "from" : 0,
  "size" : 10,
  "query" : {
    "match_all" : {
    }
  },
  "explain" : false,
  "facets" : {
    "f1" : {
      "terms" : {
        "field" : "f1",
        "size" : 50
      }
    },
    "f2" : {
      "terms" : {
        "field" : "f2",
        "size" : 50
      }
    },
    "f3" : {
      "terms" : {
        "field" : "f3",
        "size" : 50
      }
    },
    "usernameIt" : {
      "terms" : {
        "field" : "username",
        "size" : 50
      }
    },
    "f5" : {
      "terms" : {
        "field" : "f5",
        "size" : 50
      }
    },
    "f6" : {
      "terms" : {
        "field" : "f6",
        "size" : 50
      }
    },
    "user" : {
      "terms_stats" : {
        "key_field" : "userId",
        "value_field" : "startDateTime",
        "size" : 50
      }
    },
    "endDateTime" : {
      "statistical" : {
        "field" : "endDateTime"
      }
    },
    "durationIt" : {
      "statistical" : {
        "field" : "timeDuration"
      }
    },
    "browserLocaleIt" : {
      "terms" : {
        "field" : "browserLocale",
        "size" : 50
      }
    },
    "startTime" : {
      "statistical" : {
        "field" : "startTime"
      }
    },
    "endTime" : {
      "statistical" : {
        "field" : "endTime"
      }
    },
    "f13" : {
      "terms" : {
        "field" : "f13",
        "size" : 50
      }
    },
    "f14" : {
      "terms" : {
        "field" : "f14",
        "size" : 50
      }
    },
    "f15" : {
      "terms" : {
        "field" : "f15",
        "size" : 50
      }
    },
    "f16" : {
      "terms" : {
        "field" : "f16",
        "size" : 50
      }
    },
    "f17" : {
      "terms" : {
        "field" : "f17",
        "size" : 50
      }
    },
    "depth" : {
      "statistical" : {
        "field" : "depth"
      }
    },
    "startDateTime" : {
      "statistical" : {
        "field" : "startDateTime"
      }
    },
    "titles" : {
      "terms" : {
        "field" : "titles",
        "size" : 50
      }
    },
    "f21" : {
      "terms" : {
        "field" : "f21",
        "size" : 50
      }
    },
    "f22" : {
      "terms" : {
        "field" : "f22",
        "size" : 50
      }
    },
    "f23" : {
      "terms" : {
        "field" : "f23",
        "size" : 50
      }
    },
    "f24" : {
      "terms" : {
        "field" : "f24",
        "size" : 50
      }
    },
    "f25" : {
      "terms" : {
        "field" : "f25",
        "size" : 50
      }
    },
    "f26" : {
      "terms" : {
        "field" : "f26",
        "size" : 50
      }
    },
    "f27" : {
      "terms" : {
        "field" : "f27",
        "size" : 50
      }
    },
    "f28" : {
      "terms" : {
        "field" : "f28",
        "size" : 50
      }
    },
    "f29" : {
      "terms" : {
        "field" : "f29",
        "size" : 50
      }
    },
    "f30" : {
      "terms" : {
        "field" : "f30",
        "size" : 50
      }
    }
  },
  "highlight" : {
    "pre_tags" : [ "<strong>" ],
    "post_tags" : [ "</strong>" ],
    "fields" : {
      "description" : {
      }
    }
  }
}