### delete index
DELETE http://{{elasticHost}}:{{elasticPort}}/ut

### delete index data
POST http://{{elasticHost}}:{{elasticPort}}/ut/_delete_by_query?conflicts=proceed
Content-Type: application/json

{
  "query": {
    "match_all": {}
  }
}

### create index
PUT http://{{elasticHost}}:{{elasticPort}}/ut
Content-Type: application/json

{
    "settings": {
        "index.mapping.ignore_malformed": true
    },
    "mappings": {
        "dynamic": "false",
        "properties": {
            "@timestamp": {"type": "date"},
            "@meta": {
                "properties": {
                    "mtid": {"type": "keyword"},
                    "method": {"type": "keyword"},
                    "opcode": {"type": "keyword"},
                    "trace": {"type": "keyword"},
                    "conId": {"type": "keyword"}
                }
            },
            "level": {"type": "long"},
            "impl": {"type": "keyword"},
            "env": {"type": "keyword"},
            "location": {"type": "keyword"},
            "service": {"type": "keyword"},
            "context": {"type": "keyword"},
            "name": {"type": "keyword"},
            "msg": {"type": "text"},
            "error": {
                "properties": {
                    "type": {"type": "keyword"},
                    "method": {"type": "keyword"},
                    "stack": {"type": "text"}
                }
            },
            "hostname": {"type": "keyword"},
            "layer": {"type": "keyword"}
        }
    }
}