title: How to delete documents(records) with Mongo-Hadoop connector for Spark
body: <p>I am using Mongo-Hadoop connector to work with Spark and MongoDB.I want to delete the documents in an RDD from the MongoDB,looks there is a  MongoUpdateWritable to support document update. Is there way to do deletion with Mongo-Hadoop connector?</p>
  
  <p>Thanks</p>