title: Best way to Bulk read Mongo DB - Is there anything like this?
body: <p>What is the efficient way to read bulk data from MongoDB (version >=3.2). I am finding methods only for <a href="https://docs.mongodb.com/v3.2/reference/method/db.collection.initializeUnorderedBulkOp/#example" rel="nofollow">Bulk write</a>.</p>
  
  <p>I am working on creating metrics analyzing data that is stored in mongoDB. Since I am testing waters, my tech stack is limited to Mongo Aggregation Pipeline and Java. </p>