url -XPUT 'localhost:9200/pet_index?pretty' -H 'Content-Type: application/json' -d'
{ "mappings": {
    "pet_owner": {
      "properties": {
        "name":     { "type": "text"  },
        "age":      { "type": "integer" },
        "pet":    { "type": "text"  },
        "created":  {
          "type":   "date",
          "format": "strict_date_optional_time||epoch_millis"
        }
      }
    }
  },
    "settings": {
        "index" : {
            "analysis" : {
                "analyzer" : {
                    "search_synonyms" : {
                        "tokenizer" : "whitespace",
                        "filter" : ["graph_synonyms"]
                    }
                },
                "filter" : {
                    "graph_synonyms" : {
                        "type" : "synonym_graph",
                        "synonyms_path" : "analysis/synonym2.txt"
                    }
                }
            }
        }
    }
}
'
curl -XGET 'localhost:9200/pet_index/_search?pretty' -H 'Content-Type: application/json' -d'
{
"query" : {
       "match" : {
              "pet" : {
                     "query":"pet",
                     "analyzer": "search_synonyms"
                     }
              }
       }
}
'