{
  "template": {
    "settings": {
      "number_of_shards": 1,
      "number_of_replicas": 0,
      "refresh_interval": "10s",
      "index": {
        "lifecycle": {
          "name": "sparrow-bt-ilm",
          "rollover_alias": "sparrow-bt"
        }
      }
    }
  }
}
