title: How to get documents size(in bytes) in Elasticsearch
body: <p>I am new to elasticsearch. I need to get the size of the documents of the query results. </p>
  
  <p>Example:--
  <code>
  this is a document. (19bytes).
  this is also a document. (24bytes)
  content:{"a":"this is a document", "b":"this is also a document"}(53bytes)
  </code>
  when I query for the document in ES. I will get the above documents as result. So, the size of both documents is 32bytes. I need the 32bytes in elasticsearch as a result.</p>