curl -XPUT 'http://localhost:9200/*?pretty' -d'

{

"settings": {

"number_of_replicas" : 2,

"similarity" : {

"my_similarity" : {

"type" : "BM25",

"k1" : 1.2,

"b" : 0.75

}

}

},

"mappings": {

"*": {

"properties": {

"name":{

"type" : "string",

"similarity" : "my_similarity"

}

}

}

}

}';