{
  "policy": {
    "phases": {
      "hot": {
        "actions": {
          "rollover": {
            "max_size": "50GB", 
            "max_age": "1d"
          },
          "allocate": {
            "include": {
              "_tier_preference": "data_hot"
            }
          }
        }
      },
      "warm": {
        "min_age": "1d",
        "actions": {
          "allocate": {
            "include": {
              "_tier_preference": "data_warm"
            }
          },
          "shrink": {
            "number_of_shards": 2
          }
        }
      },
      "cold": {
        "min_age": "7d",
        "actions": {
          "allocate": {
            "include": {
              "_tier_preference": "data_cold"
            }
          },
          "shrink": {
            "number_of_shards": 1
          }
        }
      }
    }
  }
}