title: How to synchronise multiple writer on redis?
body: <p>I have multiple writers overwriting the same key in redis. How do I guarantee that only the chosen one write last?</p>
  
  <p>Can I perform write synchronisation in Redis withour synchronise the writers first?</p>
  
  <hr>
  
  <p>Background:
  In my system a unique dispatcher send works to do to various workers. Each worker then write the result in Redis overwrite the same key. I need to be sure that only the last worker that receive work from the dispatcher writes in Redis. </p>