title: Using delayed_job across multiple machines with some tasks that need to run locally
body: <p>I'm trying to use delayed_job for various parts of a rails app. The problem is that if we have multiple instances of the app running, but certain jobs (processing uploads, for example) need to be run by local workers, whereas others could benefit by being run by any worker.</p>
  
  <p>Does anyone have any recommendations for a good approach to having local/non-local job types?</p>