title: batch size of prepared statement in spring data cassandra
body: <p>I'm getting this warning in the log:</p>
  
  <p>WARN [Native-Transport-Requests:17058] 2014-07-29 13:58:33,776 BatchStatement.java (line 223) Batch of prepared statements for [keyspace.tablex] is of size 10924, exceeding specified threshold of 5120 by 5804.</p>
  
  <p>Is there a way in spring data cassandra to specify the size?</p>
  
  <p>Cassandra 2.0.9 and spring data cassandra 1.0.0-RELEASE</p>