title: What to use to read/write from dynamodb from Spark?
body: <p>I'd like to know what's the best to use to read/write from dynamodb from Spark.</p>
  
  <p>I've tried with the official API from dynamodb, also with the emr connector(hadoop and also with hive) and others.</p>
  
  <p>But i've found (among other problems) that to perform a query a full scan is needed, and that's not something valid with big tables.</p>
  
  <p>Any suggestions please?</p>