title: See size of Kafka Topics in Bytes
body: <p>For Metrics we meed to see the total size of a Kafka Topic in bytes across all partitions and brokers. </p>
  
  <p>I have been searching for quite a while on how to do this and I haven't worked out if this is possible and how to do it.</p>
  
  <p>We are on V0.82 of Kafka.</p>