Return the Total Number of Duplicate Data/Docs

Elastic Stack Elasticsearch
1

Hello there!

I've been wondering if there's a way to get the total number of duplicate data in Elasticsearch?
I'm using this query to get the duplicates, but somehow, even browsing the web, I can't find enough information about this. Somebody suggested to use a watch condition script, but I don't know how to start it off.

POST /sampleindex/_search 
{
   "size": 0,
   "aggs": {
      "duplicateCount": {
         "terms": {
            "field": "costInvoiceNumber",
            "min_doc_count": 2
         },
         "aggs": {
            "duplicateDocuments": {
               "top_hits": {}
            }
         }
      }
   },
   "query": {
      "range": {
         "costInvoiceDate": {
            "gte": "2017-01-31",
            "lte": "2017-02-03"
         }
      }
   }
}

Any response is highly appreciated. Thank you!

2

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