title: How to assign client-id to a particular Kafka Producer or Topic?
body: <p>I know that quotas are based on <code>client-id</code>. Basically I want to run the <code>kafka-producer-perf-test</code> with a particular client id to test whether the quotas work properly.</p>
  <p>How can I assign a <code>client-id</code> for a particular producer (or) partition?</p>