title: Can I "link" two different keys together so that messages with any of those keys end up in the same partition?
body: <p>We know that messages with the same key, <code>"key1"</code>, end up in the same partition.</p>
  
  <p>Is it possible to "link" two particular different keys (<code>"key1"</code> and <code>"key2"</code>) such that messages of any of those keys end up in the same partition?</p>