es.settings.txt

 curl -X PUT "https://search-themeet-elasti-1odj30wbrwm71-zjksfh6p3abykedql5gfewzrwe.us-east-1.es.amazonaws.com/video?pretty" -H 'Content-Type: application/json' -d'
{
  "settings": {
    "analysis": {
      "analyzer": {
        "my_analyzer": {
          "tokenizer": "my_tokenizer"
        }
      },
      "tokenizer": {
        "my_tokenizer": {
          "type": "ngram",
          "min_gram": 3,
          "max_gram": 3,
          "token_chars": [
            "letter",
            "digit"
          ]
        }
      }
    }
  }
}
'


 curl -X POST "https://search-themeet-elasti-1odj30wbrwm71-zjksfh6p3abykedql5gfewzrwe.us-east-1.es.amazonaws.com/_reindex?pretty" -H 'Content-Type: application/json' -d'
{
  "source": {
    "index": "video2"
  },
  "dest": {
    "index": "video"
  }
}'