创建索引：

PUT http://IP:Port/mytest-statistics

{
    "aliases": {},
    "mappings": {
      "doc": {
        "dynamic": "false",
        "_all": {
          "enabled": false
        },
        "properties": {
          "count": {
            "type": "long"
          },
          "day": {
            "type": "keyword"
          },
          "cameraId": {
            "type": "keyword"
          }
        }
      }
    },
    "settings": {
      "index": {
        "search": {
          "slowlog": {
            "level": "trace",
            "threshold": {
              "fetch": {
                "warn": "1s",
                "trace": "200ms",
                "debug": "500ms",
                "info": "800ms"
              },
              "query": {
                "warn": "10s",
                "trace": "500ms",
                "debug": "2s",
                "info": "5s"
              }
            }
          }
        },
        "number_of_shards": "24",
        "number_of_replicas": "1",
        "max_result_window": "100000000"
      }
    }
  }

删除索引：

DELETE http://IP:Port/mytest-statistics