POST /_template/xaod_accesses
{
  "template" : "xaod_accesses*",
  "settings": {
    "index": {
      "mapping.single_type": true,
      "number_of_shards": "5",
      "number_of_replicas": "0"
    }
  },
  "aliases": {
    "xaod_accesses": {}
  },
  "mappings": {
    "doc": {
      "properties": {
    	  "type": {"type": "keyword" },
        "FileType": {"type": "keyword" },
        "Grid": { "type": "integer" },
        "name":  {"type": "keyword" },
        "jobs":  { "type": "integer" },
        "nJobs": { "type": "integer" },
        "timestamp": { "type": "date", "format": "epoch_millis"}
      }
    }
  }
}