ragflow/conf/doc_meta_es_mapping.json

{
  "settings": {
    "index": {
      "number_of_shards": 2,
      "number_of_replicas": 0,
      "refresh_interval": "1000ms"
    }
  },
  "mappings": {
    "_source": {
      "enabled": true
    },
    "dynamic": "runtime",
    "properties": {
      "id": {
        "type": "keyword",
        "store": true
      },
      "kb_id": {
        "type": "keyword",
        "store": true
      },
      "meta_fields": {
        "type": "object",
        "dynamic": true
      }
    }
  }
}